Computer: Basic terms

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operating system software

Programs that make the computer work. ex: Windows 8, vista, GUI, Linux.

Output

device that projects images, gives sound, and basically gives out the info from the computer so the user can obtain it (ex: monitor, printer, projector, speakers)

Input

device used to insert data into a computer or other device (ex: keyboard, mouse, microphone, scanner, voice recognition)

Application Software

ex: Word, Excel, Photoshop, WordPerfect...- computer program that gives a detailed set of instructions to tell the computer what to do.

keyboard

A computer input device that uses a set of keys to put data into the computer

personal computer

A computer that serves one user at a time (PC)

Power Supply

A device that provides power to a computer.

Internet

A global network connecting millions of computers, linking exchange of data, news and opinions

Wireless Network

Any type of computer network that is not connected by cables of any kind.

Central Processing Unit (CPU)

Brain of the computer that performs instructions defined by software

Binary Code

Groupings of 1's and 0's that makes information that a computer can understand.

Motherboard

Printed circuit board on which the CPU, RAM chips and other electronic circuit elements of a digital computer are frequently located.

RAM

Random Access Memory - temporary place to store material that works quickly. erased when computer turns off. Volatile.

ROM

Read Only Memory- Permanent instructions that cannot be changed. It makes the BIOS function. Checks your OS.

ROM

Read Only Memory; permanently stores data (floppy disk, hard drive)

Software

Set of instructions that tells the hardware what to do. It is what guides the hardware and tells it how to accomplish each task.

Operating System (OS)

Software used to control the computer and its peripheral equipment.

Hard Drive

Storage device that stores digitally encoded data on rapidly rotating rigid disks with magnetic surfaces. The device is either permanently installed within the computer case or can be portable

url

The address to a file on a Web server

tower (computer case)

The case that holds all of the internal computer parts

output

The computer-generated information taht is displayed. Examples of devices are monitor, printer, speakers, and projector

Input

The data that is entered into a computer. Examples of devices are a keyboard, mouse, touch screen, and scanner

server

designed to support a computer network that allows user to share data, softwar and peripherals. I

cpu

it carries out instructions to operate the computer.

motherboard

provides the means of connecting all the components of a computer

monitor(screen)

sits on desk and displays what is running on the computer

hardware

the physical parts of the computer system that you can touch and feel.


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