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| measurement of the amount of time it takes to process to read data, instructions, and information from memory. |
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| windows server 2003 central repository about network users and resources. |
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| Association for Computing machinery. |
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| American Disabilities Act |
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| american standard code for information interchange |
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| application service provider |
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| basic input/ output system |
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| the smallest unit of data a computer can process |
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| process of starting or restarting a computer. |
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| application software that allows users to access and view web pages. |
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| eight bits that are grouped together as a unit. |
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| digital modem that sends and receives digital data over the cable television network. |
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| complementary metal oxide semiconductor |
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| the vertical section of a hard disk track that passes through all platters. |
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| huge database that stores and manages the data required to analyze historical and current transactions. |
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| database management system |
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| reorganizaing a disk so the files are stored in contiguous sectors, thus speeding up disk access and the performance of the entire computer. |
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| type of storage device that contains one or more inflexible, circular platters that store data, instructions, and information. |
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| memory chips on a hard disk that store frequently accessed items such as data, instructions, and information. |
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| type of impact printer that produces printed images when tiny wire pins on a print head mechanicsm strike an inked ribbon. |
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| small program that tells an operating system how to communicate with a specific device. |
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| digital subscriber line. type of digital technology that provides high speed internet connections using regular copper telephone lines. |
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| spreadsheet software program |
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| Frequently asked questions |
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| a combination of one or more related characters or bytes, a field is the smallest unit of data a user accesses. |
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| names collection of stored data, instructions, or information. |
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| portable, inexpensive storage medium that ocnsists of a thin, circular, flexible mylar film with a magnetic coating, enclosed in a square shaped plastic shell. |
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| (file transfer protocol) internet standard that permits file uploading and downloading with other computers on the internet. |
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| graphics format that uses compression techniques to reduce file sizes. |
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| approximately 1 billion bytes. |
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| garbage in garbage out - computing phrase that points out the accuracy of a computer's output depends on the accuracy of the input. |
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| electric, electronic, and mechanical components contained in a computer. |
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| special formatting language that programmers use to format documents for display on the Web. |
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| type of nonimpact printer that forms charactars and graphics by spraying tiny drops of liquid ink on a piece of paper. |
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| any data and instructions entered into the memory of a computer. |
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| IRQ (interrupt request line) |
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| communications line between a device and the processor. |
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| format that compresses graphics to reduce their file size. |
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| input device that contains keys users press to enter data and instructions into a computer. |
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| type of high speed quality non impact printer that creates images using a laser beam and powdered ink called toner. |
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| handheld input device that can detect the presence of light. |
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| popular, multitasking UNIX type operating system. |
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| mailing list named after a popular mailing list program. |
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| large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously, storing tremendous amounts of data, instructions, and information. |
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| appoximately 1 million bytes. |
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| electronic components in a computer taht store instructions waiting to be executed and data needed by those instructions. |
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| magnetic ink caharacter recognition - technology that reads text printed with magnetized ink. |
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| pointing device that fits comfortably under the palm of a user's hand. |
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| moving pictures experts group. Group that defines a popular video compression standard. |
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| NOS (network operating system) |
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| operating system that organizes and coordinates how multiple users access and share resources on a network. |
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| (optical character recognition) software that enables scanners to read and convert text documents into electronic files. |
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| type of interface that connects devices to the system unit by transferring more than one bit at a time. |
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| the smallest amount in an electronic image. short for picture element. |
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| standard printer language used by professionals in the desktop publishing and graphics art fields, designed for complex documents with intense graphics and colors. |
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| slide slow presentation software |
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| (redundant array of independent disks) - group of two ormore integrated hard disks that acts like a single large hard disk. |
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| (random access memory - type of memory that can be read from and written to by the processor and other devices. Programs and data are loaded into RAM from storage devices such as a hard disk and remain in RAM as long as the computer has continuous power. |
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| group of related field in a database. |
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| light sending input device that reads printed text and graphics and then translates the results into a form the computer can process. |
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| program that finds web sites, web pages, images, videos, news and other information. |
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| type of data access in which the storage device read or writes data consecutively. |
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| series of instructions that tells a computer what to do and how to do it. |
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| location in which data, instructions, and information are held for future use. |
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| fastest, most powerful, and most expensive computer, capable of processing more than 135 trillion instructions in a single second. |
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| work arrangement in which employees work away from a company's standard workplace and often communicate with the office through the computer. |
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| type of nonimpact printer that generates images by pushing electrically heated pins against heat sensitive paper. |
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| multitasking operating system that now is available for most computers of all sizes. |
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| uniform resource locater. A unique address for a web page. |
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| virtual reality - computers used to simulate a real or imagined environment that appears as a three dimensional space. |
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| one of the more widely used types of application software. It allows a user to create and manipulate documents containing mostly text and sometimes graphics. |
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| extreme programming - strategy that proposed that programmers should immediately begin coding and testing solutions as soon as requirements are defined. |
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| A step in the system development cycle that consists of two major activities (1) conduct a preliminary investigation, and (2) perform detailed analysis. |
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| Interpreted program that runs on a client, but is compiled. |
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| The amount of data, instructions, and information that can travel over a communications channel. |
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| Cisco Certified Internetwork Expert. |
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| Cisco Certified Network Professional. |
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| Common business oriented language. Programming language developed for business applications developed in the 1960's. |
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| Series of instructions that directs a computer to perform tasks. |
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| Small text file that a server stores on a computer. |
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| Phase of the system development cycle that consists of two major activites (1) if necessary, acquire hardware and sofware and (2) develop all of the details of the new or modified information system. |
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| Dozens of hundreds of thick strands of glass or plastic that use light to transmit signals. |
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| Hardware and or software that protects a network's resources from intrusion by users on another network such as the internet. |
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| One billion ticks of the system clock per second. |
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| Worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals. |
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| An internal network that uses internet technologies. |
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| Object oriented programming language developed by Sun Microsystems. |
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| A step in the system development cycle that consists of two major activities - conduct a preliminary investigation and perform detailed analysis. |
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| Interpreted program that runs on a client, but is compiled. |
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| The amount of data, instructions, and information that can travel over a communications channel. |
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| Cisco Certified Internetwork Expert. |
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| Cisco Certified Network Professional |
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| Common business oriented language. Programming language developed for business applications in the 1960's. |
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| Series of instructions that directs a computer to perform tasks. |
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| Small text file that a server stores on a computer. |
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| Phase of the system development cycle that consists of two major activities - acquire hardware and software and develop all of the details of the new or modified information system. |
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| Dozens of hundreds of thick strands of glass or plastic that use light to transmit signals. |
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| Hardware and/or software that protects a network's resources from intrusion by users on another network such as the internet. |
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| A problem solving control system methodology that lends itself to implemenation in systems running from simple, small embedded micro-controllers to large, networked, multi-channel PC or workstation based data acquisition and control system. |
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| a search technique used in computing to find exact or approximate solutions to optimization and search problems. |
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| one billion ticks of the system clock per second. |
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| the time period during which one instruction is fetched from memory and executed when a computer is given an instruction in machine language. |
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| Worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals. |
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| technology that allows users to speak to other users over the internet. |
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| an internal network that uses internet technologies. |
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| Object oriented programming language developed by Sun Microsystems. |
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| Microsoft Systems Certified Engineer. |
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| A midsized computer between a workstation and a mainframe. |
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| system that attempts to imitate the behavior of the human body. |
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| conversion strategy where the old system runs alongside the new system for a specified time. |
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| management activity that involves establishing goals and objectives. |
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| fields in a database that uniquely identifies each record in a file. |
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| working model of a proposed system. |
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| unsolicited e-mail message or newsgroups postings sent to many recipients or newsgroups at once. |
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| person responsible for designing and developing an information system. |
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| multimedia authoring program with a graphical user interface that uses an object oriented approach, so programmers can design mulitimedia applications using basic objects. |
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| potentially damaging computer program that affects, or infects, a computer negatively by altering the way the computer works without a user's knowledge or permission. |
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| program that copies itself repeatedly, using up system resources and possible shutting down the system. |
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