Mis Ch 4 Vocabulary Quiz

Front 1

Antivirus

Back 1

Software that finds and eliminates viruses

Front 2

Application Software

Back 2

Programs that perform a business function. Some are general purpose like Excel or word. Others have very specific functions.

Front 3

Binary digit

Back 3

Either a 0 or a1.

Front 4

Bit

Back 4

The way computers represent data

Front 5

Bus

Back 5

means by which the CPU reads instructions and data from main memory and writes data to main memory

Front 6

Byte

Back 6

A character of data or an 8-bit chunk.

Front 7

Cache Memory

Back 7

Small amount of very fast computer memory that holds the most frequently used data.

Front 8

CD-R

Back 8

Optical disk that can record data once

Front 9

CD-ROM

Back 9

Read-only optical disk

Front 10

CD-RW

Back 10

Rewritable optical disk

Front 11

Central processing unit (CPU)

Back 11

selects instructions, processes them, performs arithmetic and logical comparisons, and stores results of operations.

Front 12

Client

Back 12

Person operating the machines.

Front 13

Data channel

Back 13

means by which the CPU reads instructions and data from main memory and writes data to main memory.

Front 14

Dot pitch

Back 14

distance between pixels on a CRT monitor

Front 15

Dual processor

Back 15

A computer with two CPU's

Front 16

DVD-R

Back 16

A digial versatile disk that can record data once

Front 17

DVD-ROM

Back 17

A read -one digital versatile disk

Front 18

DVD-RW

Back 18

A rewritable digital versatile disk

Front 19

Firmware

Back 19

Software installed onto devices like printers instead of computers

Front 20

Hardware

Back 20

Electronic components and related technology that input, process, output, store, and communicate

Front 21

Horizonal-market application

Back 21

Software that provides capabilities common across all organizations and industries; examples include word processors, graphics programs, spreadsheets, and presentation programs.

Front 22

Input hardware

Back 22

Hardware devices that connect to a computer. Keyboard, moue, document scanners, etc...

Front 23

Instruction set

Back 23

collection of instructions that a computer can process.

Front 24

Linux- Client Side

Back 24

Open source operating system that was developed off of Unix. Owed by the open source community.

Front 25

Linux Server Side

Back 25

Linux is very popular on the server side.

Front 26

Mac OS

Back 26

Alternative operating system for macs, newer systems can now also run windows parallels

Front 27

Macro Virus

Back 27

Attaches itself to common files and when file is opened places destructive code in start up of that application and spreads from there

Front 28

Main Memory

Back 28

Basic component of computer, code transferred from hard drive to memory to run

Front 29

Nonvolatile memory

Back 29

Magnetic and optical discs, when power is turned off data is still stored

Front 30

Memory swapping

Back 30

Main memory is too small to hold code for all apps and operating system so memory swapping is used to move instructions in and out of the main memory

Front 31

Operating system

Back 31

Controls computers resources, includes specific instruction set based on computers processor

Front 32

output hardware

Back 32

Includes video displays, printers, speakers, etc

Front 33

patch

Back 33

Modifications that fix problems in programs code

Front 34

payload

Back 34

A virus program code that can alter or delete data in a computer

Front 35

pixel

Back 35

small spots used to create a display- The basic unit of the composition of an image on a television screen, computer monitor, or similar display.

Front 36

RAM

Back 36

Random access memory- Computer's main memory

Front 37

Rotational Delay

Back 37

Time required for a disk to rotate into the position needed to access required data

Front 38

Seek Time

Back 38

time it takes the head of the disk drive to move to the correct location to access data

Front 39

Server

Back 39

Provides service to client

Front 40

Site License

Back 40

Company has to purchase for some software in order to run software on all computers

Front 41

Thick client

Back 41

Uses programs in addition to a web browser

Front 42

Thin Client

Back 42

Only uses web browser

Front 43

Trojan Horse

Back 43

Virus that looks like a normal program but may be damaging to computer's programs or data

Front 44

Unix

Back 44

Operating system, popular with engineers and computer scientists

Front 45

Vertical-Market Application

Back 45

Serve a specific industry

Front 46

Virus

Back 46

Programs that replicate themselves and may rob computers of useful data

Front 47

Volatile Memory

Back 47

Cache and main memory- lost when computer power is turned off

Front 48

Worm

Back 48

Virus that uses networks to spread from one computer to another.