Shared Flashcard Set

Details

ISQS 2340 Final - Texas Tech
Used from the top notch notes from NoteHall.com
78
Other
Undergraduate 2
12/07/2012

Additional Other Flashcards

 


 

Cards

Term
Pascal's Machine
Definition
invented and used to calculate addition and subtraction
Term
Leibniz Calculating Machine
Definition
based on Pascal's Machine; could be used to do multiplication and division in addition to addition and subtraction
Term
Analytical Engine
Definition
the design of the first programmable computer; invented by Charles Babbage
Term
Mechanical Tabulator
Definition
computing device using the punch card IBM machine concept that sets off the electric circuits in the machine; invented by Herman Hollerith.
Term
ENIAC
Definition
the first large-sclae computer with 5000 calculations/sec. It is a first generation computer and used vacuum tubes to operate. Size was incredibly large with 18,000 vacuum tubes per computer.
Term
Atanasoff-Berry Computer (ABC)
Definition
the real first electronic digital computer
Term
Transistorized computers
Definition
second generation computers
Term
Integrated circuits
Definition
third generation computers
Term
Altair 8800
Definition
first microcomputer (First PC). This computer looked just like a box with no monitor, keyboard, and mouse. Altair 8800 only used ASCII language.
Term
Control Program for Monitors (CPM)
Definition
invented by Bill Gates. Microsoft comes up with different software like MS-DOS, Spreadsheets, and Operating System, which boosted IBM to the top of the PC industry.
Term
Kilobytes = ??? Bytes
Definition
Kilobytes = 1,000 bytes
Term
Megabytes= ??? Bytes
Definition
Megabytes = 1,000,000 bytes
Term
Gigabytes = ??? Bytes
Definition
Gigabytes = 1,000,000,000 bytes
Term
Terabytes = ??? Bytes
Definition
1,000,000,000,000 bytes
Term
Primary Memory for PC
Definition
1 Gb to 8 Gb
Term
Secondary Memory for PC
Definition
250 Gb to 1 Tb
Term
USB Flash Drives
Definition
256 MB to 64 Gb
Term
Memory Card
Definition
32 MB to 64 Gb
Term
USB External Hard Drives
Definition
100 Gb to 3 Tb
Term
Relative Reference (excel)
Definition
when the "fill handle" is dragged and formulas change automatically adjusting for the new position.
Term
Absolute Reference (excel)
Definition
when the "fill handle" is dragged the smae cell reference is kept where a "$" is added.
Term
Today's Date in Excel
Definition
= NOW()
Term
Waterfall Approach
Definition
Traditional Way of developing systems.
--Large Testing Phase-- Progress is measured by deliverables and milestones -- Drives to a single solution-- minimal customer interaction-- large systems.
Term
Waterfall Approach
Definition
also known as Systems Development Life Cycle (SDLC)
Term
Agile Approach
Definition
Users can provide input on changes needed before a lot of time and money has been spent on developing a system's full functionality. --Minor Testing Phase--Progress is measured by working software--Changes are welcome--Significant customer interaction--Medium to small systems.--Known as Agile Systems Development (ASD)
Term
RAD
Definition
Rapid Application Development --in favor of rapid prototyping.
Term
XP
Definition
Extreme Programming -- intended to improve software to changing customer requirements.
Term
Entity-Relationship (ER) diagrams
Definition
- commonly used in designing databases. It is the graphical descriptions of entities and the relationship between the entities.
Term
J.C.R. Licklider
Definition
known as licks, first person to come up with the idea of the internet. He called it the intergalactic network.
Term
Time Sharing
Definition
a system that was devised to proved access to computers for more people. Information goes from one computer to another very fast that is seems like i is serving all at the same time.
Term
Bob Taylor
Definition
asked to network all the ocmputers in the US pentagon, where the internet first started.
Term
BBNN
Definition
the company who invented packet switching
Term
Packet-Switching
Definition
foundation of the internet. Two computers connected by a digital network and little packets are sent through the digital network. When there's a traffic jam, can go through a different computer to get to the destination computer.
Term
Arpanet
Definition
first operational packet-switching network.
Term
LOGIN
Definition
first message on the internet
Term
TCP/IP
Definition
syntax for computers to communicate with each other. Laid the foundation for the internet.
Term
Sabotaging the System
Definition
This video is about how cyber warfare is starting to become a big issue
Term
Obama's priority when he became president
Definition
strengthen our national cyber warfare defense.
Term
In 2007, Brazil plunged into darkness for 2 days.
Definition
Government networks were hacked and electricity was shot down in Brazil.
Term
White Plastic
Definition
similar to ATM card; used to decrypt ATM to steal passcodes from clients. In a hospital in Virginia, medical records were stolen through hacking and a ransom note was posted asking for money to giver their password back.
Term
Ethics
Definition
moral philosophy; a branch of philosophy that addresses questions about morality. It involves the concepts of right and wrong.
Term
Businall Professional
Definition
have the responsiblity to promote ethical issues.
Term
Proportionality
Definition
the good achieved by the technology must outweigh the harm or risk.
Term
Informed Consent
Definition
those affected by the technology should understand and accept the risks.
Term
Justice
Definition
the benefits and burdens of the technology should be distributed fairly.
Term
Minimized Risk
Definition
even if judged acceptable by the other three guidelins, the technology must be implemented so as to avoid all unnecessary risk.
Term
Computer Crime
Definition
unauthorized use, access, modification, destruction, and release of hardware, software, data, or network resources.
Term
Denial of Service (attack)
Definition
hammering a website's equipment with too many requests for information.
Term
Scans
Definition
widespread probes of the internet to determine types of computers, services, and connections. These can look for weaknesses in computers.
Term
Sniffer
Definition
programs that search individual packets of data as they pass through the internet. These programs can put together the packets to form the username and password of a certain account.
Term
Spoofing
Definition
faking an e-mail addrss ot trick users into passing along critical information like passwords or credit card numbers
Term
Trojan Horse
Definition
a program that, unknown to the user, contains instructions that exploit a known vulnerability in some software. This program can crsh an entire system.
Term
Back Doors
Definition
hidden point of entry to be used in case the original entry point has been detected or blocked.
Term
Malicious Applets
Definition
tiny Java programs that misuse your computer's resources, modify files on the hard disk, send fake e-mail, or steal passwords.
Term
War Dialing
Definition
programs that automatically dial thousands of telephone numbers in search of a way in through a modem connection.
Term
Logic Bombs
Definition
an instruction in a computer program that triggers a malicious act.
Term
Buffer Overflow
Definition
a technique for crashing by sending too much data to the buffer in a computer's memory
Term
Password Crackers
Definition
software that can guess passwords
Term
Social Engineering
Definition
gaining access to computer systems by talking unsuspecting computer employees out of valuable information such as passwords.
Term
Dumpster Diving
Definition
sifting through a company's garbage to find information to help break into their computers.
Term
Freedom of Information
Definition
right of people ot know about information that others may want to keep private.
Term
Spamming
Definition
indiscriminate sending on unsolicited e-mail to many users.
Term
Can-SPAM Act
Definition
means you can spam if fules are followed
Term
Flaming
Definition
sending extremely critical, derogatory, and often vulgar e-mail messages or newsgroup postings to other users on the internet or online services.
Term
Software Piracy
Definition
unauthorized compy of computer programs.
Term
Licensing
Definition
purchase of software is really a payment for a license for fair use. Site Licenses allow a certain number of copies.
Term
Theft of Intellectual Property
Definition
copy righted material; peer-to-peer networking techniques have made it easy to trade pirated intellectual property.
Term
Computer Virus
Definition
a program code that cannot work without being inserted into another program
Term
Worm
Definition
Distinct program that can run unaided.
Term
Adware
Definition
software that purports to serve a useful purpose but also allows internet advertisers to display adertisements.
Term
Spyware
Definition
adware that employs the user's internet connection in the background without your permission or knowledge.
Term
Cookies
Definition
information about you can be captures legally each time you visit a website.
Term
Opt-in
Definition
benefits consumer; explicit consent to allow data to be compiled about them. Law in Europe.
Term
Opt-Out
Definition
favors businesses; data can be compiled abut you unless you specifically request it not be. Law in US.
Term
Symmetric Key
Definition
put a message in the box and sends it to the receiver. Then send the key to the receiver so they can open the box to read the message.
Term
Asymmetric Key
Definition
tries to solve the problem of me sending you the key. If I were to send somebody a message, I would use an openbox with a padlock and send the message to the receiver without sending the key because the receiver would also have the same key.
Term
Three Pass Protocol Asymmetric Key
Definition
put message in the box and lock with my padlock and sent it to the receiver where he/she puts another padlock and sends it back to me. I take my padlock off and send it back to him/her and he/she takes the padlock off to get the message.
Term
Firewall
Definition
- protects computer networds from intrusion by screening all network traffic and service as a safe transfer poitn for access to and from other networks.
Supporting users have an ad free experience!