the brain of the computer, processes all data

the brain of the computer, executes all the programs

supplies power to the components

the heart of the computer, connects all the components

connects the hard drive to the motherboard

supplies and regulates electrical current to all of the components

stores all the data on a computer

is the brain of the computer; executes all programs

sits on top of the heat sink, and draws heat away from the CPU so it doesn't overheat

sits directly on top of the CPU, and cools the CPU while it is working

writes data onto removable discs, or reads data off of the disc.

a disc for watching movies or listening to music

the disc contained on a hard drive

temporarily stores data allowing which increases the computer's processing power

permanently stores data like software and user files on a computer

is the brain of the computer, executing all programs

temporarily stores data if you hard drive runs out of space

What does volatile mean?

Data is lost when the power is turned off

Data is NOT lost when the power is turned off

The characteristics of RAM are it is .....

Temporary, volatile, expandable and you can write to it.

Permanent, non-volatile, not expandable and you can't write to it

Why is ROM need in a computer system?

It stores the 'bootstrap loader' which is needed to load the operating system.Without it, the computer wouldn't turn on.

It stores the data of the operating system and programs that are currently running, for access by the CPU.

Why is Virtual Memory needed in a computer system?

When several programs run at the same time, the RAM can be full. Instead of closing programs the Operating system uses virtual memory to store some data.

It is used as a fast type of memory for programs currently in use to speed up the performance of a computer.

Where is data stored when it is Virtual Memory?

It is stored on a area of a secondary storage device e.g. hard disk drive.

It is stored in an optical drive e.g. CD.

What is BIOS stands for?

BASIC INDUSTRY ONLINE STANDARDS

What is the function of the BIOS?

Responsible for loading the operating system when the computer first turns on

Manages the storage of files in the computer

Provides a user interface for the operating system

Controls the hardware and software of a computer system

What is the most common and quickest type of RAM ?

Double data rate ten generation

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