Distinguish between internal and external memory.

Q. Distinguish between internal and external memory.

Answer :-

Internal memory:-

• It is also known as primary storage or main memory.

• It is volatile in nature in the case of RAM but ROM is non-volatile.

• It is used to store data temporarily in case of RAM.

• It stores data when the power supply is on otherwise it removes data after the power supply goes.

• Internal memory is working memory. 

• Examples are RAM and ROM.

External memory :-

• It is also known as secondary memory or secondary storage.

• It is non-volatile in nature.

• They are used to store data permanently.

• It stores data when the power supply is on after that when the power supply is gone it saves the data.

• External memory is not working memory.

• Examples are hard disk, floppy disk, memory card, cassette etc.