Computer Applications 1

22 terms by mcowing

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These are the key vocabulary terms for Computer Applications 1 Computer Concepts Lesson.

Software

The programs or codes that run on a computer, includes a program that tells the computer how to operate its devices, how to manipulate, store and output information.

Memory

The chips that store data and programs while the computer is working. (RAM/ROM)

Storage Device

Device such as a flash drive used to store and retrieve data on a computer.

Computer System

Includes the system unit of a computer and all input and output devices

Operating System

Software such as Windows Vista that controls the basic functions of a computer

Hardware

The physical components, devices or parts, of the computer such as the CPU, monitor or keyboard

Bar Code Readers

Devices used to read printed codes such as the UPC to track merchandise

Central Processing Unit

A silicon chip, stored on the motherboard, which processes data and carries out instructions given to the computer

Motherboard

Located inside the system unit, a circuit board where the computer memory, power supply, the processor and other vital electronic parts are housed

Byte

A single character of data such as a letter which is composed of 8 bits

USB Flash Drive

A portable, small storage device that plugs into the USB port

Resolution

The clarity of an image on the screen, measured in pixels

RAM

Memory that temporarily stores programs and data when the computers is turned on but does not retain the contents when the computer is turned off

ROM

Permanent memory that stores the instructions that tell the computer how to begin to load its operating system and programs

Megahertz

One million cycles per second

Gigahertz

One billion cycles per second

Network

Two or more computers connected to share data

Server

Computer hardware and software that stores and delivers data to the other computers on a network.

Router

An electronic device that joins two or more networks and directs the flow of information across networks

Client

A personal computer that requires data from a server

Utility Software

Programs that allow you to make changes to the way hardware and software works, such as changing the screen resolution, or improving the way disk drive read and write data.

Spyware

A program that can harm a computer by gathering user information through the users internet connection without their knowledge

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