Q.RAM is described as 'volatile' memory because it: (A) Can store data permanently even without power
(B) Loses its contents when the computer is switched off
(C) Can only be read and never written
(D) Is a type of secondary storage device

The word 'volatile' points to what happens to RAM's contents when the power supply is cut off. …

'Volatile' means the memory needs continuous power to retain its contents.

(A) Storing data permanently without power describes non-volatile memory such as ROM or a hard disk — incorrect.

(B) Losing its contents when the computer is switched off is exactly what volatility means, and is true of RAM — correct. …

Students sometimes confuse RAM with ROM — RAM is temporary/volatile working memory that can be read and written, while ROM is pe …