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 lostHow 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