Difference between RAM and ROM

Here is the Difference between RAM ( Random Access Memory) and ROM ( Read-only memory). I have provided all the important differences between RAM and ROM by using a table.

Difference between RAM and ROM
RAMROM
Full form of RAM is – Random Acess memoryFull form of ROM is – Read only memory
It is volatile memory because all data are get earased once power is offIt is non- valatile memory because all data are permanently stored even after power off.
It temporarily store dataIt store data permanently even after power off.
RAM is a costlier memory.ROM is cheaper than RAM.
There are Two Types of RAM – SRAM,DRAMThere are 3 Types of ROM- PROM, EPROM, EEPROM.
Read – Write Speed of RAM is greater than ROM Write speed is slower and writing of data is little bit hard.
It is used for Normal Operation It is used for startup processes of computer.
RAM is Very fast memory than ROM but it consumes more powerIt is fast memory but less than RAM and it consumes less power as compared to RAM .
RAM plays a very important role in the computer because it increases the speed of the computerInside ROM, BIOS files are stored, which is used to start the computer,Otherwise, without BIOS software, computer can’t start.
Used to store the data that has to be currently processed by CPU temporarily.It stores the instructions required during bootstrap of the computer.

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