Computer terms 11-20

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Computer technology.
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1

RAM (Random Access Memory)

Memory that stores program instructions and data temporarily.

2

ROM (Read Only Memory)

Memory that includes permanent information only. The computer can only read information from it; it can never write any new information on it.

3

Peripheral devices

Input, output, and secondary storage devices. (keyboard, monitor, zip drive)

4

Input devices

Units that gather and change information into a series of electronic signals for the computer. Device for accepting input, such as a keyboard or mouse.

5

Output devices

Devices that display, print, or transmit the results of processing from the computer’s memory. Device for sending information from the computer, such as a monitor or printer.

6

System unit

The box that contains a computer’s main circuitry and storage devices.

7

LAN Intranetwork

A network in which the computers are close to each other, usually in the same building. Computer network located within a limited geographical area, such as a small business.

8

WAN Internetwork

A network that extends over a long distance. Interconnected group of computers and peripherals that cover a large geographical area, such as multiple buildings.

9

CPU (Central Processing Unit)

Part of the computer that processes information, performs arithmetic calculations, and makes basic decisions based on information values. Where the processing in a computer takes place, often called the brain of the computer.

10

GUI (Graphical User Interface)

  1. a user interface based on graphical displays. With a mouse, the user points to icons that represent files, folders, and disks. Documents are displayed in windows. The user selects commands from menus.
11

Bit

  1. Binary digit. The smallest unit of information. A bit can have two values: 0 or 1.