FUNDAMENTALS OF COMPUTER

APPLICATION SYSTEM SOFTWARE

SYSTEMS SOFTWARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When there is no electrical power, data is lost. Which type of memory is volatile?
A
RAM
B
ROM
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Volatile memory, in contrast to non-volatile memory, is computer memory that requires power to maintain the stored information; it retains its contents while powered on but when the power is interrupted, the stored data is quickly lost. Volatile memory has several uses including as primary storage.

Detailed explanation-2: -Volatile memory is a type of memory that maintains its data only while the device is powered. If the power is interrupted for any reason, the data is lost.

Detailed explanation-3: -Volatile memory: Therefore The memory which does not lose its content on the failure of the power supply is known as non-volatile memory.

Detailed explanation-4: -The volatile memory stores data and computer programs that the CPU may need in real-time, and it erases them once a user switches off the computer. Cache memory and RAM are types of Volatile memory. Non-volatile memory, on the other hand, is static.

Detailed explanation-5: -RAM is often referred to as volatile memory, because anything contained in RAM is considered lost when a computer is switched off. Indeed, all data is lost from RAM when the power supply is disconnected; so it is volatile in this context.

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