Term
| _________ can serve as sending and receiving devices in a communications system. |
|
Definition
-Mainframe computers and servers
-Desktop computers and notebook computers
-Tablet PCs and PDAs |
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Term
| Two examples of ______ are cable television lines and telephone lines. |
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Definition
|
|
Term
| A type of communications device that connects a communications channel to a sending or receiving device is a _____. |
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Definition
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Term
| ______ is a conversation that takes place over the Internet using a telephone connected to a desktop computer, mobile computer, or mobile device. |
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Definition
|
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Term
| ________ Is a real-time Internet communications service that allows wireless mobile devices to exchange messages with one or more mobile devices or online users. |
|
Definition
| Wireless instant messaging |
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Term
| Most hot spots span from _______ feet. |
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Definition
|
|
Term
| A GPS receiver is a handheld, mountable, or embedded device that contains _______. |
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Definition
- Radio receiver
- Antenna
- Processor |
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Term
| _______ Allows users to share documents with others in real time. |
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Definition
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Term
| Groupware is a component of a broad concept called _____, which includes network hardware and software that enables group members to communicate, manage projects, schedule meetings, and make group decisions. |
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Definition
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Term
| A voice mailbox is a(n) _____ in a voice mail system. |
|
Definition
| Storage location on a hard disk |
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Term
| Businesses are the primary users of ______ because this technology provides a means for departments to communicate with each other, suppliers, vendors, and with clients. |
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Definition
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Term
| Most businesses use a standard, such as a ______, that defines how data transmits across telephone lines or other means. |
|
Definition
| EDI (electronic data interchange) |
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Term
| A _______ is a legal agreement that permits users to install software on multiple computers, usually at a volume discount. |
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Definition
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Term
| A ______ is a network that connects computers and devices in a limited geographical area, such as a home, school computer lab, or office building. |
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Definition
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Term
| Each computer or device on a local area network, called a _____, often shares resources such as printers, large hard disks, and programs. |
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Definition
|
|
Term
| A _______ is a high-speed network that connects networks in an area such as a city or town and handles the bulk of communications activity across that region. |
|
Definition
| Metropolitan Area Network (MAN) |
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Term
| [image] As showen, a(n) _____ is a network that covers a large geographic area, such as a city, country, or the world, using a communications channel that combines many types of media. |
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Definition
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Term
| The design of computers, devices, and media in a network, sometimes called the ______, is categorized as either client/server or peer-to-peer. |
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Definition
|
|
Term
A file server is a dedicated server that ____. |
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Definition
|
|
Term
| A print server is a dedicated server that _____. |
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Definition
| Manages printers and print jobs. |
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Term
| A database server is a dedicated server that ____. |
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Definition
| Stores and provides access to a database |
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Term
| A network server is a dedicated server that ____. |
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Definition
| Manages network traffic (activity). |
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Term
| the risk to a bus network is that _____. |
|
Definition
| The bus itself might become inoperable. |
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Term
| [image] A network like the one shown can span a _____ distance than a bus network but is more _____. |
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Definition
| Larger distance, but it is more difficult. |
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Term
| [image] A ___ network is a network topology in which a cable forms a closed loop, with all computers and devices arranged along it. |
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Definition
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Term
| [image] On a ____, such as that illustrated, all of the comuters and devices (nodes) on the network connect to a central device. |
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Definition
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Term
| [image] On a network like this one, the central device that provides a common connection point for nodes on the network is called the _____. |
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Definition
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Term
| [image] On a network such as this one, if one node fails ____. |
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Definition
| Only that node is affected. |
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Term
| Today, ____ is the most popular LAN technology becasue it is relatively inexpensive and easy to install and maintain. |
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Definition
|
|
Term
| ____ has been adopted as a network standard for Internet communications. |
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Definition
|
|
Term
| When a scomputer sends data over the intenet, the data is divided into small pieces, or ____. |
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Definition
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Term
| The technique of breaking a message into individual packets, sending the packets along the best route avalible, and then reassembling the data is called ___. |
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Definition
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Term
| One popular use of the _____ network standard is in hot spots that offer mobile users the ability to connect to the Internet with their wireless computers and devices. |
|
Definition
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Term
| Communications software consists of programs that _____. |
|
Definition
- Help users establish a connection to another computer or network. - Manage the transmission of data, instructions, and information. - Provide an interface for users to communicate with one another. |
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Term
| Although ___ are not a type of standard telephone line, they are very popular ways for the home user to connect to the internet. |
|
Definition
| Cable Telecision (CATV) lines |
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Term
| With ISDN, the same telephone line that could carry only one computer signal now can carry three or more signals at once through the same line, using a technique called ____. |
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Definition
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Term
___ requires a special network card and a __ modem. |
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Definition
|
|
Term
| The most popular T-carrier line is the ____. |
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Definition
|
|
Term
|
Definition
| equal in speed to 28 T1 lines but quite expensive. |
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Term
| For data transmission to occur, ____ of a standard telephone line must have a dial-up modem. |
|
Definition
| Both the sending and receiving ends |
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Term
| A ____ is a device that provides a central point for cables in a network. |
|
Definition
|
|
Term
| Each networked computer in a house can _____. |
|
Definition
- Share a single high-speed Internet connection - Access files and programs on other computers in the house - Share peripherals such as a printer, scanner, external hard disk, or DVD drive |
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Term
| A(n) ____ extends the basic home network to include features such as lighting comtrol, themostat adjustment, and a security system. |
|
Definition
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|
Term
| Types of wired home networks include all of the following ___, _____, ____. |
|
Definition
-Ethernet -Powerline Cable -Phoneline |
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|
Term
| For best performance of a communications channel, _____. |
|
Definition
| bandwidth should be high and latency low |
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|
Term
| Physical transmission media used in communication include all of the following ___, ____, ___. |
|
Definition
- twisted pair cable - Coaxil cable - Fiber-optic cable |
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|
Term
| ____ is an electrical disturbance that can degrade communications. |
|
Definition
|
|
Term
| Fiber-optic cables have all of the following advantages over cables that use wire ___, ___, ___. |
|
Definition
- faster data transmission and smaller size - less suscptivle to noise from other devices - better security for signals during transmission |
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Term
| Broadcast radio is ____ susceptible to noise than physical transmission media but it provides flexibility and portability. |
|
Definition
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|
Term
| ____ is a category of cellular transmission that transmitted analog data. |
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Definition
|
|
Term
| Microwave transmission, sometimes called ____, involves sending signals from one microwave station to another. |
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Definition
|
|
Term
| A(n) ___ device is a device that initiates an instuction to transmit data, instructions, or information. |
|
Definition
|
|
Term
| A(n) ____ device is a device that accepts the transmission of data, instructions, or infromation. |
|
Definition
|
|
Term
| With ___, users type and send short test messages on a smart phone or PDA. |
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Definition
|
|
Term
| ____ allows users to send graphics, pictures, video clips, and sound files, as well as short text messages to other smart phones, PDAs, or computers. |
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Definition
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|
Term
| A(n) _____ network uses cellular radio technology to provide users with highspeed internet connections, as long as they are in the networks range. |
|
Definition
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|
Term
| A(n) ______ is a navigation system that consists of one or more earth-based receivers that accept and analyze signals sent by satellites in order to determine the reciever's geographic location. |
|
Definition
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|
Term
| Many software products provide a means to _____, or work online, with other users connected to a server. |
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Definition
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|
Term
| _____ Allows users connected to a network to transfer money from one bank account to another via transmission media. |
|
Definition
|
|
Term
| A(n) _____ is a third-party business that provides networking services such as scure data and information transfe, storage, e-mail, and management reports. |
|
Definition
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|
Term
| A(n) ____ is a LAN that uses no physical wires. |
|
Definition
|
|
Term
| [image] On a network such as this, a(n) _____ computer controls access to the hardwware, software, and other resources on the network and provides a centralized storage area for programs, data, and information. |
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Definition
|
|
Term
| A _____ network is a network topology that consits of a single central cable, to which all computers and other devices connect. |
|
Definition
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|
Term
| The _____ standard specifies that computers and devices on the network share or pass a special signal, called a token, in a unidirectional manner and in a present order. |
|
Definition
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|
Term
| ____ is a network technology that defines how messages are routed from one end of a network to the other, ensuring the data arrives correctly by dividing it into packets. |
|
Definition
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|
Term
| ____ technology uses short-range radio waves to transmit data between two devices. |
|
Definition
|
|
Term
| _____ is a newer network standard developed by IEEE that specifies how wireless devices communicate over the air in a wide area. |
|
Definition
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|
Term
| The ______ specifies how some wireless mobile devices such as smart phones and PDAs can display the content of the Internet services such as the Web, e-mail, chat rooms, and newsgroups. |
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Definition
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|
Term
| The _____ is the worldwide telephone system that handles voice-oriented telephone calls. |
|
Definition
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|
Term
| _____ is a set of standards for digital transmission of data over standard copper telehone lines. |
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Definition
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|
Term
| ____ transmits at fast speeds on ezisting standard copper telephone wiring, but requires that the user's location and the telephone company's modem be located within a certain distance of each other. |
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Definition
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|
Term
| _____ is a type of DSL that supports faster transmission rates when receiving data (the downstream rate) than when sending data (then upstream rate). |
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Definition
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|
Term
| ______ uses fiver-optic cable to provide extremely high-speed Internt access to home users. |
|
Definition
|
|
Term
| _____ is a service that carries voice, data, video, and mltimedia at extremely high speeds. |
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Definition
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|
Term
| A DSL _____ sends digial data and information from a computer to a DSL line and reveives digital data and information from a DSL line. |
|
Definition
|
|
Term
| A(n) ____ is an adapter card, PC Card, or flash card that enables a computer or devies to access a network. |
|
Definition
|
|
Term
| A ____ network is a home network that uses radio waves, instead of cables, to transmit data. |
|
Definition
|
|
Term
| The amount of data, instructions, and information that can travel over a communications channel sometimes is called the ____. |
|
Definition
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|
Term
| _____ is the time it takes a signal to travel from one location to another on a network. |
|
Definition
|
|
Term
With _____ service, an optical terminal at your house receives the signals and transfers them to a router connected to your computer. |
|
Definition
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|
Term
| ____ is a computer phrase that points out the accuracy of a computer's output depends on the accuracy of its input. |
|
Definition
|
|
Term
| Accurate information ______. |
|
Definition
|
|
Term
| Verifiable information _____. |
|
Definition
| can be proven as correct or incorrect. |
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|
Term
| Timely information _______. |
|
Definition
| has an age suited to its use |
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Term
| Organized information _______. |
|
Definition
| Is arranged to suit the needs and requirements f a decision maker. |
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Term
| Accessible information _______. |
|
Definition
| is available when a decision maker needs it. |
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Term
| Useful information _____. |
|
Definition
| has meaning to the person who reeives it. |
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Term
| Cost-effective information ________. |
|
Definition
| gives more value than it costs to produce. |
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|
Term
| A database contaions files, a file contains ______. |
|
Definition
| records, a record contains fields, and a field is made up of characters. |
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Term
| A _____ is the smallest unit of data a computer can process. |
|
Definition
|
|
Term
| _______ is a common data type that consists of dollar and cent amounts or numbers containing decimal values. |
|
Definition
|
|
Term
| _____ is a common data type that consists of lengthy text entries. |
|
Definition
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|
Term
| _____ is a common data type that consists of Web addresses that link you to a document or Web page. |
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Definition
|
|
Term
| Users add new records to a file ______. |
|
Definition
| When they obtain new data |
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|
Term
| Generally, users change records in a file ___. |
|
Definition
| to correct inaccurate data and to update old data with new data. |
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|
Term
| _____, a user deletes it from a file. |
|
Definition
| When a record is no longer needed. |
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|
Term
| When a program flages a deleted record, the record _____ process it. |
|
Definition
| Remains physically on the disk but is delted logicall because the program will not |
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|
Term
| Deleting un-needed files ____ storage space. |
|
Definition
| Reduces the size of files and frees up |
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|
Term
If the lowest annual fee at a dicount warehouse is $20.25 and the highest is $55.50, a(n) ____ on the Annual Fee field ensures it is a value between $20.25 and $55.50 |
|
Definition
|
|
Term
| A(n) ___ tests the data in two or more associated fields to ensure that the relationship is logical. |
|
Definition
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|
Term
| A(n) ____ verifies that a required field contains data. |
|
Definition
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|
Term
| A program determines the ___ by applying a formula to the numbers in the primary key value. |
|
Definition
|
|
Term
| A major weakness of a lot of file processing systems is that _____. |
|
Definition
| They have redundant data and they isolate data. |
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|
Term
| A(n) _____ program interacts with a DBMS, which in turn interacts with the database. |
|
Definition
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|
Term
| When compared with a file processing system, a database offers all of the following _____. |
|
Definition
- reduced data redundancy - easier access and shared data - reduced development time |
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|
Term
| A DBMS uses the _____ to perform validation checks. |
|
Definition
|
|
Term
| Commonly used methods to retrieve and maintain data include all of the following. |
|
Definition
- report generators and forms - query languages - query by example |
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|
Term
| Although a query language can be used for other purposes, most users only ____ data with a query language. |
|
Definition
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|
Term
| A checkout clerk with ____ privileges to the e-mail addresses in a discount warehouse database could view the addresses but not change them. |
|
Definition
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|
Term
| A manager would have ___ pribeleges to member data in a discoundt warehouse database. |
|
Definition
|
|
Term
| Occasionally, a database can be damaged or destroyed because of ________. |
|
Definition
- hardware or software failure - human error - a catastrophe, such as a fire or flood |
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|
Term
| In a log, a DBMS places _______. |
|
Definition
- a copy of a record prior to a change - the actual change to a record - a copy of a record after a change |
|
|
Term
| Popular data models in use today include all of the following: |
|
Definition
- relational -object-oriented -multidimensional |
|
|
Term
| In a relational database, each row ____. |
|
Definition
| has a primary key and each column has a unique name |
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|
Term
| [image] A user of a relational database, such as this one, refers to a file as a ______. |
|
Definition
|
|
Term
| [image]A user of a relational database, such as this one, refers to a record as a ____. |
|
Definition
|
|
Term
| A user of a relational database, such as this one, refers to a feild as _____.[image] |
|
Definition
|
|
Term
| [image] In a relational database, such as this one, a _____ is a connection within the data. |
|
Definition
|
|
Term
| [image] In a relational database, such as this one, users can set up a relationship between tables at any time, but the tables must have a common ______. |
|
Definition
|
|
Term
| Most _____ database products for servers and mainframes include SQL, an example of which is shown.[image] |
|
Definition
|
|
Term
| _____, as shown, is a query language that allows users to manage, update, and retrieve data.[image] |
|
Definition
|
|
Term
| Compared with relational databases, object-oriented dadtabases ______. |
|
Definition
- Can store more types of data - Access data faster - Allow programmers to reuse objects |
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|
Term
| A ____ stores images, audio clips, and/or video clips. |
|
Definition
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|
Term
| A _____ stores documents such as schedules, calendars, manuals, memos, and reports. |
|
Definition
|
|
Term
| A ____ stores data about engineering, architectural, and scientific designs. |
|
Definition
| Computer-aided design (CAD) database |
|
|
Term
| The advantage of multidimensional database is that ____. |
|
Definition
| It can consolidate data much faster than a relational database |
|
|
Term
| Many e-commerce sites use ____ to determine customer preferences. |
|
Definition
|
|
Term
| A Web database usually resides on a(n) _____. |
|
Definition
|
|
Term
| To access data in a ____, users fill in a form on a Web page. |
|
Definition
|
|
Term
| The DA does all of the following: |
|
Definition
- Decide on the proper placement of fields - Define the relationships among data - Identify users' access privileges |
|
|
Term
| The DBA does all of the following: |
|
Definition
- Manage security of the database - Monitor the performance of the database - Check backup and recovery procedures |
|
|
Term
| With a(n) ____, users create a computerized database; add change and delete data in the database; sort and retrieve data from the database; and create forms and reports from the data in the database. |
|
Definition
|
|
Term
| In the ASCII and EBCDIC coding schemes, each byte represents a single ____, which can be a number, letter, punctuation mark, or other symbol. |
|
Definition
|
|
Term
| ____ is a common data type that includes letters, numvers, or special characters. |
|
Definition
|
|
Term
Yes/No (also called ____) is a common data type that includes only the values Yes or No (or True or False). |
|
Definition
|
|
Term
| Object (also called ____) is a common data type that includes photograph, audio, video, or a document created in other applications. |
|
Definition
|
|
Term
| In a database, a(n) ______ is a group of related fields. |
|
Definition
|
|
Term
| In a database, a(n) ____ field is a field that uniquely identifies each record in a file. |
|
Definition
|
|
Term
| [image] A(n) ____ check is a calidity check performen on data, like the one shown, which ensures users enter only alphabetic data into a field. |
|
Definition
|
|
Term
| [image] A(n) ___ check is a validity check performed on data like that shown, which ensures users enter only numeric data into a field. |
|
Definition
|
|
Term
| A(n) ____ check is a validity check that determines whether a number is within a specified group of numbers |
|
Definition
|
|
Term
| A(n) ____ is a program with which users interact that generally has a more user-friendly interface the DBMS. |
|
Definition
|
|
Term
| An application that supports a front-end program sometimes is called the _____. |
|
Definition
|
|
Term
| A(n) ____ contains dadta about each file in a database and each field in those files. |
|
Definition
|
|
Term
| [image] Most DBMSs include a(n) _____ feature, like the one shown, which has a grahical user interface to assist users with retriecing data. |
|
Definition
|
|
Term
| More complex DBMSs maintain a(n) _____, which is a listing of activities that change the contents of a database. |
|
Definition
|
|
Term
| A DBMS that creates a log usualy provides a(n) ____ utility that uses the logs and/or backups to restore a database when it becomes damaged or destroyed. |
|
Definition
|
|
Term
| ____ backup is a backup plan in which all data is backed up whenever a change is made. |
|
Definition
|
|
Term
| The developer of a relational database refers to a file as a(n) ____. |
|
Definition
|
|
Term
| The developer of a relational database refers to a record as a(n) _____. |
|
Definition
|
|
Term
| The developer of a relational database refers to a field as a(n) ____. |
|
Definition
|
|
Term
| _____ is a process designed to ensure the data within the relations (tables) contains the least amount of duplication. |
|
Definition
|
|
Term
| Object-oriented and object-relational databases often use a query language called ____ to manipulate and retrieve data. |
|
Definition
|
|
Term
| A data ____ is a huge database that stores and manages the data required to analyze historical and current transactions. |
|
Definition
|
|
Term
| The data in a(n) ____ database exists in many separate locations throughout a network or the Internet. |
|
Definition
|
|
Term
| Data warehouses often use a process called data ____ to find patterns and relationships among data. |
|
Definition
|
|
Term
| A data ____ contains a database that helps a specific group or department make decisions. |
|
Definition
|
|
Term
| A database ___ is a computer that stores and provides access to a database. |
|
Definition
|
|
Term
| One type of program that manages the sending and receiving of data between the front end and a database server is a(n) ____ script, which runs automatically as soon as users click a button to send or receive information. |
|
Definition
|
|
Term
| the term ___ refers to online or Internet-based illegal acts. |
|
Definition
|
|
Term
| A ____ is a program that copies itself repeatedly in memory or on a network, using up resources and possible shutting down the computer or the network all together. |
|
Definition
|
|
Term
| A ____ is a malicious-logic program that hides within or looks like a legitimate program and usually is triggered by a certain condition or action. |
|
Definition
|
|
Term
| The ____ is the destructive even or prank a malicious-logic program is intended to deliver. |
|
Definition
|
|
Term
| Computer viruses, worms, and Trojan horses deliver their payload on a computer when a user ____. |
|
Definition
- Opens an infected file - Runs and infected program - Boots the computer with an infected disk in a disk drive |
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|
Term
| Some viruses are hidden in ____, which are instructions saved in an application such as a word processing or spreadsheet program. |
|
Definition
|
|
Term
| [image] To ____ a program file, a program like the one shown records information such as the file size and the file creation date in a separate file. |
|
Definition
|
|
Term
| A ____ separate area of a hard disk that hold an infected file until the infection can be removed. |
|
Definition
|
|
Term
| The computer that a hacker uses to execute a DoS or a DDoS attack, known as a ____, is completely unaware that it is being used to attack other systems. |
|
Definition
|
|
Term
| A honeypot is a program designed to ____. |
|
Definition
| entice an intruder to hack into a computer |
|
|
Term
| To prevet unauthorized access and use, at a minimum a company should have a written ____ that outlines the computer activities for which a computer or network may and may not be used. |
|
Definition
| Acceptable use policy (AUP) |
|
|
Term
| Each character added to a password significantly ____ it might take for someone or for a hacker's computer to guess the password. |
|
Definition
| increases the number of combinations and the lenth of time |
|
|
Term
| Examples of biometric devices and systems include all of the following: |
|
Definition
- Fingerprint scanners and hand geometry ststems - Face recognition systems and voice recognition systems. - Signature verification sytems and iris recognition systems. |
|
|
Term
| To help reduce the chance of ____, physical controls such as locked doors and cables usually are adequate to protect equiptment. |
|
Definition
|
|
Term
| Some notebook computers use _____ as methods of security. |
|
Definition
- Passwords - Biometrics - Possessed objects |
|
|
Term
[image] When users purchase software, a single-user license agreement like the one shown, permits users to do any of the following. |
|
Definition
- Install the software on only one computer - Make on copy of the software as backup - Give or sell the software to another individual if the software is removed from the user's computer. |
|
|
Term
| When users purchase software, a single-user license agreement like the one shown does not permit users to do any of the following[image] |
|
Definition
- Install the software on a network - Give copies to friends - Export the software |
|
|
Term
| Software piracy continues for all of the following reasons: |
|
Definition
- In some countries, legal protection for software does not exist - Software piracy is a simple crime to commit - Many buyers believe they have the right to copy software they have paid for. |
|
|
Term
| To promote a better understanding of software piracy problems and, if necessary, to take legal action, a number of majorworldwide software companies formed the _____. |
|
Definition
| Business Software Alliance (BSA) |
|
|
Term
| In its simplest form, a(n) ____ is a programmed formula that the recipient of encrypted data uses to decrypt the ciphertext. |
|
Definition
|
|
Term
| A ____ is a mathematical formula that generates a code from the contents of an e-mail message. |
|
Definition
|
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Term
| When a mobile user connects to a main offie using a standard Internet connection, a ___ provides the mobile user with a secure connection to the company network server. |
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Definition
| Virtual Private network (VPN) |
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Term
| One of the more common causes of ____ is an electical power variation. |
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Definition
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| A momentary overvoltage, called a ____, occurs when the increase in power lasts for less than on millisecond (one Thousandth of a second). |
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Definition
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Term
| ____, which provides encryption of all data that passes etween a client and a server, requires that both the client and the server have digital certificates |
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Definition
| Secure Sockets layer (SSL) |
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Term
| _____, which allows users to choose an encryption scheme that passes between a client and a server, requires both the client and the server have digial certificantes. |
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Definition
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Term
| A ____ is the unit of energy a surge protection device can absorb before it can be damaged. |
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Definition
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Term
| A UPS connects between a computer and a ____. |
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Definition
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Term
| A(n) ____ copies all of the files in a computer. |
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Definition
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Term
| With a(n) ____, users choose which folders and files to include in a backup. |
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Definition
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Term
| With a three-generation backup policy, the grandparent is the ______. |
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Definition
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Term
| With a three-gerneration backup policy, the parent is the ____. |
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Definition
| Second oldest copy of the file |
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Term
| With a three generation backup policy, the child is the ____. |
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Definition
| Most recent copy of the file. |
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Term
| Some perpetrators use a technique called ___ in which they attempt to connect to wireless networks via their notebook computers while driving a vehical through areas they suspect have a wireless network. |
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Definition
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Term
| A ___ is a small text file that a Web server stores on a user's comuter. |
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Definition
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Term
| Web sites use a ___ to keep track of items in a user's shopping cart. |
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Definition
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Term
| Internet advertising firms often use ____ to collect information abou users Web browsing habits. |
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Definition
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Term
| ____ is/are not considered spyware because aa user knows it/they exist(s). |
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Definition
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Term
[image] ___, like that shown, is an unsolicited e-mail message or newsgroup posting sent o many recipients or newsgroups at once. |
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Definition
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Term
[image] To aviod items like this one, users can sign up for ____, which is a service from an Internet service provider that blocks e-mail messages from designated sources. |
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Definition
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Term
| ____ is a scam in which a perpetrator sends an official looking e-mail that attempts to obtain a user's personal and financial information. |
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Definition
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Term
| The 1986 ____ provides the same protection that conver mail and telephone communications to electronic communications such as voice mail. |
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Definition
| Electronic Communications Privacy Act (ECPA) |
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Term
| In 1988 ____ regulates the use of government data to determine the eligibility of individuals for federal benefits. |
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Definition
| Computer Matching and Privacy Protection Act |
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Term
| Many businesses use ___ to limit employees' Web access. |
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Definition
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Term
| One approach to content filtering is through a rating system of ___, which is similar to those used for movies and vieos. |
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Definition
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Term
| Computer forensics is used by _____. |
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Definition
- Military intelligence - Insurance agencies - Law enforcement |
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Term
| To prevent repetitive strain injury, take all of the following precautions. |
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Definition
- Place a wrist rest between the keyboard and the edge of the desk. - Place the mouse at least six inches from the edge of the desk. - Minimize the number of switches between the mouse and the keyboard. |
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Term
| ____ is an applied science devoted to incorporating comfort, efficiency, and safety into the design of items in the workplace. |
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Definition
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Term
| Symptoms of a user with computer addiction include all of the following: |
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Definition
- Craves computer time - Neglects family and friends - Unable to stop computer activity |
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Term
| Personal computers, display devices, and printers should comply with guidelines of the ____ program. |
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Definition
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Term
The term ____, although originally a complimentary word for a computer enthusiast, now has a derogatory meaning and refers to someone who accesses a computer or network illegally. |
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Definition
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Term
| A(n) ____ is someone who accesses a computer or network illegally but has the intent of destroying data, stealing information, or other malicious action. |
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Definition
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Term
| A computer _____ is a potentially damaging computer program that affects, or infects, a computer negatively by altering the way the computer works without the user's knowledge or permission. |
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Definition
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Term
| A virus ___ is a known specific pattern of virus code. |
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Definition
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Term
| A(n) ____ attack is an assault whose purpose is to disrupt computer access to an Internet sevice such as the Web or e-mail. |
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Definition
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Term
| A(n) _____ is a program or set of instructions in a program that allow users to bypass security controls when accessing a program, computer, or network. |
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Definition
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Term
| A(n) ____ server is a server outside a company's network that controls which communications ass into the compnay's network. |
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Definition
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Term
| ____ access is the use of a computer or network without permission. |
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Definition
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Term
| A(n) ____ control is a secuity measure that defines who can access a computer, when they can access it, and what actions they can take while accessing the computer. |
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Definition
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Term
| In addition to access controls, a computer should maintain a(n) ____ trial that records both successful and unsuccessful access attempts. |
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Definition
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Term
| [image] A(n) _____ object, an example of which is shown, is any item that must be carried to gain access to a computer or computer facility. |
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Definition
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Term
| A(n) ____ device authenticates a person's identity by translating a personal characteristic into a digital code tat then is compared with a digital code stored in the computer verifying a physical or behavioral characteristic. |
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Definition
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Term
| A(n) ____ aggrement is the right to use software. |
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Definition
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Term
| The most common type of license included with software purchased by individual users is a(n)____. |
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Definition
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Term
| During product ______, which is conducted either online or by telephone, users provide a software product's 25-Character identification number to receieve an installation identification number unique to the computer on which the software is installed. |
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Definition
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Term
| _____ is the process of converting readable data into unreadable characters to prevent unauthorized access. |
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Definition
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Term
| One of the more popular e-mail encryption programs is called ____, which is freeware for personal, noncommercial users. |
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Definition
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Term
| A(n) _____ signature is an encryption code that a person, Web site, or company attaches to an electronic message to verify the identity of the message sender. |
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Definition
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Term
| A Web site that uses encryption techniques to secure its data is known as a(n) ____ site. |
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Definition
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Term
| A(n) _____ certificate is a notice that guarantees a user or Web site is legitimate. |
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Definition
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Term
| A certificate ____ is an authorized person or company that issues and verifies digital certifiates. |
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Definition
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Term
| A(n) ___ is a device that contains surge protection circuits and one or more batteries that can provide power during a temporary or permanent loss of power. |
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Definition
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Term
| A(n) ____ is a duplicate of a file, program, or disk that can be used if the original is lost, damaged, or destroyed. |
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Definition
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Term
| A(n) ___ network, the most recent network standard, conforms to the government security standards and uses more sophisticated encryption techniques than WPA or WEP |
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Definition
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Term
| _____ refers to unique and original works such as ideas, invention, writings, art, processes, company and product names, and logos. |
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Definition
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Term
| A(n) ____ gives authors and artists exclusive rights to duplicate, publish, and sell their materials. |
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Definition
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Term
| One type of spyware, called a(n) ____, is hidden on Web pages or in e-mail messages in the form graphical images. |
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Definition
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Term
| Content ___ is the process of restricting access to certain material on the Web. |
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Definition
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Term
| Computer _____ is the discovery, collection, and analysis of evidence found on computers and networks. |
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Definition
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Term
| A(n) ____ is an injury or disorder of the muscles, nerves, tendons, ligaments, and joints. |
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Definition
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