What is the difference between ROM and RAM?

INFORMATION ANDCOMMUNICATION TECHNOLOGY

RAM

Random Access Memory 

Ram Allows the Read Computer Data 

ROM 

Read Only Memory 

The Rom Stores The Program Required 

Because in the optical fibre the light signals move faster than open air because of some damping factor. In opticalfibre we use the total internal reflection phenomenon by which the signals transmit very easily without any loss. Hard disks provide far larger storage capacitates and much faster access time than floppy

      a)      Hard Disk is cheaper than floppy disk per megabyte.

      b)      Hard disk is actually more reliable than floppy disk

      

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