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IT Flashcards

1
Q

edutainment

A

a system that has both educational and entertainment value

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2
Q

Cache coherency

A

a system that ensures any changes written to mani memory are reflected within the cache and vice versa

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3
Q

EPOS till

A

electronic point of sale. A computerised cash register that edits record in sales and stock control databases

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4
Q

Data mining

A

a process of analysing a large amount of stored data to find new useful information

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5
Q

Peripheral

A

a device that can be attached to and used with a computer, not an integral part of it

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6
Q

Lens

A

the light gathering device of a camera

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7
Q

Viewfinder

A

a device on a camera showing the field of view of the lens

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8
Q

Ink-jet printer

A

a computer peripheral that produces hard copies of a text document by spraying droplets of ink onto paper

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9
Q

Bazzilion-byte

A

a lot of bytes byte-smallest memory unit

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10
Q

Moore’s law

A

Prediction that the number of transistors that can be incorporated into a porcessor chip will double every 18 months

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11
Q

Big blue

A

Another name for IBM

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12
Q

Upgrade

A

a change that improves the features or performance of a system

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13
Q

Kernel

A

the lowest level layer at the core of an operating system. It deals with allocating hardware resources to the rest of the operating system and the application programs

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14
Q

Source code

A

programming code that has to be processed by a compiler or translator to make object code for use in a computer

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15
Q

Desktop

A

the main graphical user interface background screen that displays icons for other programs

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16
Q

Taskbar

A

a Microsoft Windows dekstop component that indicates what programs are currently being used and allows user to switch between them

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17
Q

GUI

A

Acronym for Graphical User Interface

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18
Q

Spreadsheet

A

an electronic document in which data is arranged in the rows and columns of a grid

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19
Q

Office suite

A

set of programs that are used in a typical office , wordprocessor, spreadsheet and database

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20
Q

Broadband

A

able to carry signals transmitted over a wide range of frequencies

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21
Q

JPEG

A

abbreviation for join photographic expert group - the committee that devised a common standard for imae file format and compression.

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22
Q

DVD

A

abbreviation for digital versatile disk.An optical disk storage device that can hold a large amount of video data

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23
Q

Navigation pane

A

An area of an application window that enables the user to navigate quickly to different parts of the program

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24
Q

Barcode reader

A

an optical input device that uses the reflection of a light beam to read barcode labels

25
Q

Gateway

A

an interface that enables dissimilar networks to communicate such as two LANs based on different topologies or network operating systems

26
Q

Bridge

A

hardware and software combination used to connect the same type of networks

27
Q

Computing support officer

A

a person whose job it is to provide support to computer users including setting up, maintaining and trobuleshooting computer systems and giving technical advice

28
Q

Bulletin board

A

A website or webpage when users can post comments about particular topic and response to others

29
Q

Allocate

A

to set apart for a purpose

30
Q

Spyware

A

software that monitors you without your knowledge

31
Q

Search engine

A

a program that searches for and identifies items in a database that correspond to keyword or characters specified by the user

32
Q

Bug

A

a fault in a system

33
Q

Byte

A

Unit of storage capacity - 8 bits

34
Q

Printer

A

peripheral machine used for printing text or pictures

35
Q

Mouse

A

small handheld device which is used to move the cursor on a computer screen

36
Q

Worm

A

a program that performs unwanted actions and replicate itself across the network

37
Q

WLAN

A

a network that uses radio waves to connect computers in a small area

38
Q

WWW

A

abbreviation for the World Wide Web. The interent service used for connecting to multimedia web pages

39
Q

Spam

A

Unsolicited email sent to large numbers of people indiscriminately usually advertising or trying to sell a product

40
Q

RAM

A

abbreviation for Random Access Memory. Memory supporting communication of CPU with hard drive

41
Q

CPU

A

abbreviation for Central Processing Unit

42
Q

Backup

A

to store a copy of data on a storage device to keep it safe

43
Q

Debug

A

to find and fix faults in a program or system

44
Q

Freeware

A

computer programs that are made available to anyone who wants t use then at no cost to the user

45
Q

Input device

A

a piece of equipment used for putting data inot a computer

46
Q

Input device

A

a piece of equipment used for putting data inot a computer

47
Q

Encryption

A

the transformation of data into coded form to make it secure

48
Q

Flash drive

A

A small device that plugs into computer’s USB port and functions as a portable hard drive

49
Q

ISP

A

Internet Service Provider, an organization that provides internet connectivity

50
Q

Packet

A

A unit of transmission in data communications

51
Q

Cache

A

Computer memory that stores recently used information to enable quicker access

52
Q

Mainframe

A

A powerful computer develope for processor-intensive computing used by big businesses

53
Q

Protocol

A

A set of rules that enable devices to communicate with each other through transmitted data

54
Q

Server

A

A computer that is responsible for responding to requests made by the client program

55
Q

A structure or storage of electronic data

A

Database

56
Q

A delay in trnasmitting or processing data

A

Latency

57
Q

Code that is written to retrieve information from a database

A

Query

58
Q

Patch

A

A program that can be added to an existing program in order to make the existing program work as it should

59
Q

Artifical intelligence

A

The simulation of human intelligence processes done by machines and computer systems

IT (1 decks)

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