RAM and ROM

by haris rehman YR9

RAM

What is RAM

RAM is random access memory, a type of memory that the cpu can access randomly from time to time to help it,, it is a fast non permanent memory,If a computer loses power, all data stored in its RAM is lost

How does it work

RAM temporarily loads info from the hard drive and gives it to the RAM. This allows the computer to access information quickly

Why its needed

to quickly access info without wasting time or HDD space

what is ROM

ROM is read only memory and its stores instructions for the computer to start up when it is turned on again.ROM is essential to your computer as it wont work without it

How it works

the cpu is told a command so it will go to the ROM and check for the instruction that has been commanded

Why its needed

to start up your device and make your device work