CPU , MEMORY AND PROCESSING

MEMORY & PROCESSING UNIT.

the microprocessor is processing unit also called the CPU.

CPU stands for central processing unit  ,it carries out all information which computer operate .

RAM 

word Ram stands for (Random Access Memory) which is directly accessible by the CPU. Ram available in different size in market such as 128 Mb,256 MB,512 MB ,1 GB to 64 GB.

ROM

Rom is used for read only memory .in ROM instruction given which could not be deleted.this could be read only and when computer start its beginning instruction deeded in Rom.

DIFFERENCE BETWEEN RAM AND ROM 

Difference between ram and ROM is given below in figure.1