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15 terms

Hardware and Software Review

STUDY
PLAY
hardware
the physical equipment of a computer system that you can touch.
software
A program or instructions that give directions to the computer.
peripherals
hardware attached to the tower - items like the mouse, keyboard, printer and head phones
firewall
a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from hackers
CPU
moves data, performs mathematic operations, makes decisions based on instructions, and directs the actions of hardware and software.
CPU
Central Processing Unit, the brains of the computer
Input device
data entered into the computer through a variety of devices such as a keyboard, microphone, scanner, flash drive, or mouse
output device
displays or prints information produced by a computer. Printers and monitors are examples of output devices. A printer produces a hard copy output while a monitor produces a soft copy output.
RAM
Random Access Memory; temporary memory. RAM is expandable, and resides on the motherboard. It is the memory used when you are working on the computer.
ROM
(Read only memory) a chip on the motherboard that is prerecorded with and permanently stores the set of instructions that the computer uses when you turn in on; permanent
RAM
Random Access Memory - temporary - it is erased once the computer is turned off.
ROM
Read Only Memory - permanent memory that provides instructions to the computer.
Hard disk
A round, metal platter in the hard drive of the computer; it stores large amounts of information, usually the C drive of the computer
Word, Paint, Excel
Example of software programs
mouse, monitor, speakers
Examples of hardware devices