Computer Lab Glossary Flashcards

1
Q

Back up

A

A duplicate of an original program or data made as a precaution against loss or damage of the original. Ex: Flash drive

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2
Q

Bit

A

The smallest amount of information a computer can store. Computers must use information in this form because the electronic circuits they are made of can have only two states: on or off.

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3
Q

Byte

A

The space a character, letter, or number takes up in the computer. it is made up of a group of eight bits

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4
Q

CPU– Central processing unit

A

A.k.a. control unit. The unit of the computer systems that contains the circuits which control the functions and perform the execution of instructions; composed of the following three parts: memory (primary storage), arithmetic/logic unit, and the control unit.

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5
Q

Cd ROM

A

Compact disc read only memory; a compact disc from which stored data can be read by a laser beam

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6
Q

Computer

A

A device that manipulates data according to a series of instruction stored in its memory. Electronic device that can except data, perform instructions on the data, and deliver the results of the processed data.

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7
Q

Computer system

A

And organization of hardware and software designed to accomplish a data processing function

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8
Q

Customer software

A

the user tells the programmer what he/she wants to be able to do and the programmer writes a set of instructions to perform a specific task for the particular user.

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9
Q

Data

A

Information that the computer manipulates

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10
Q

Database

A

And organized collection of related data

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11
Q

Data input

A

The process of entering data into the computer system

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12
Q

Data processing

A

Any procedure for receiving information and producing a specific result. The rearrangement and refinement of raw data into a form suitable for further use.

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13
Q

Desktop publishing

A

The use of a computer to design and print typeset documents

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14
Q

Disc/media drives

A

A thin disk of magnetic material capable of storing a large amount of information

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15
Q

Fixed/hard disk

A

A device containing a sealed, rigid magnetic disk and read/write mechanism, usually built directly into the computer

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16
Q

Format

A

To prepare a new disc for use by the computer or an old one for reuse. erases all previous information.

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17
Q

Hardware

A

The physical equipment or device which makes up the computer system, including its input and output devices. Everything except the programs in the computer system.

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18
Q

Input

A

The information that is entered into a computer from an outside source. Data entered into the computer system for processing

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19
Q

Input device

A

A mechanical unit designed to bring data to be processed into a computer

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20
Q

Integrated software

A

A set of several different applications that have been program together, permitting data from one application program to be transferred directly to another

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21
Q

I/O

A

Abbreviation for input/output

22
Q

Local area network (LAN)

A

A way of linking a number of computers –such as in an office–through communication lines so that they can share I/O devices in data

23
Q

Mainframe

A

A central computer, usually applies to medium and/or large-scale computer systems

24
Q

Machine language

A

Instructions consisting of a series of numbers or a coded pattern of digits which convey information between people and machines

25
Q

Memory

A

An area for storage of data inside the computer. It contains the programs and data being used by the computer. The primary storage or most accessible storage of the computer.

26
Q

Microcomputer– Personal computer

A

A small computer designed to sit on a desk. also a laptop, tablet, etc.

27
Q

Modem

A

A device that converts electrical impulses produced by the computer into sound impulses and vice versa that can be transmitted over telephone lines. An acronym for modulate/demodulate

28
Q

Motherboard

A

A circuitboard that contains most of the electronic components of the system unit, sometimes called the main board or systemboard

29
Q

Mouse

A

A device for interacting with the monitor

30
Q

Network– Networking

A

A group of two or more computers linked together electronically that can communicate with each other

31
Q

Operating system

A

A program that helps to overcome the problems involved in running a computer. It makes sure that the proper programs are in the right place in memory at the right time, handles I/O operations, and allows the computer to work for long periods without the direct intervention of the operator.

32
Q

Output

A

The act of transferring data from a primary/internal storage device to a secondary/external storage device

33
Q

Peripherals– Input/output devices

A

Physical devices that allows for data to be entered into a computer, data to be returned to the user, or functions to both enter and return data

34
Q

Prepackaged/horizontal software

A

Software that is designed to be used by anyone who might benefit

35
Q

Primary/internal storage

A

The memory that is built into the computer

36
Q

Processing

A

Handling or manipulating data. The rearrangement in refinement of raw data entry for suitable for further use.

37
Q

Processor

A

The primary electronic chip on the motherboard which controls and perform the execution of instructions

38
Q

Program

A

A set of instructions arranged in proper sequence that can direct the computer to do something useful

39
Q

Programming

A

The task of writing a series of instructions that will cause the computer to do something useful

40
Q

Random Access Memories – RAM

A

The working memory of the computer. It is the usable memory which data or programs may be written to or read from

41
Q

Read only memory/ROM

A

Memory which has been manufactured with predetermined information or programs. Usually used to store the control program of the computer

42
Q

Secondary/external storage

A

Data storage that is outside the main memory of the computer

43
Q

Software

A

The computers programs

44
Q

Spreadsheet

A

A program for manipulating numbers in tabular form. A grid, somewhat like a ledger sheet, is displayed

45
Q

Statistical program

A

A program designed specifically for performing statistical calculations

46
Q

Store

A

Transmit the data from the computer to a memory device

47
Q

Storage device

A

A device into which data can be entered and from which it can be retrieved at a later time

48
Q

Utility program

A

Program to do often needed tasks in managing the computer, but not an application or which the user bought the computer

49
Q

Vertical market software

A

Software designed and marketed to a particular industry or profession. I.e. funeral service

50
Q

Word Processing

A

The use of computerized equipment to create, store, recall, correct, and produce written documents.

51
Q

Application software

A

Computer programs designed for specific uses; relatively easy to use without technical knowledge or programming. Ex: Microsoft word