In the context of memory, what does 'volatile' mean? MCQ with Answer and Explanation

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In the context of memory, what does 'volatile' mean?

A. Memory retains data without power

B. Memory requires power to retain data

C. Memory is permanent

D. Memory cannot be written

Answer: Option B

Solution (By JKSSB Mock Tests)

Volatile memory loses its stored data when the power supply is turned off. RAM is a classic example of volatile memory.

This question belongs to: Computer Memory and Storage Devices

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Practice More Memory and Storage Devices Questions

Question #1

Which of the following is a type of flash memory that can be erased in blocks rather than one byte at a time?

A. NOR flash

B. EEPROM

C. EPROM

D. NAND flash

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Correct Answer: Option D

Explanation:
NAND flash memory is erased in blocks, making it suitable for high-density storage like SSDs and USB drives. NOR flash allows byte-level access but is slower for writing.

This question belongs to: Computer Memory and Storage Devices

Question #2

Which problem occurs when software applications continuously allocate memory space in RAM but fail to release it back to the operating system after finishing their tasks?

A. Buffer Overflow

B. Cache Truncation

C. Disk Defragmentation

D. Memory Leak

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Correct Answer: Option D

Explanation:
A memory leak happens when a program allocates memory space from the system heap but fails to free it up after use, reducing available RAM until the system slows down or crashes.

This question belongs to: Computer Memory and Storage Devices

Question #3

What is the purpose of a memory page?

A. A section of cache

B. A fixed-size block of virtual memory

C. A physical block of RAM

D. A file on disk

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Correct Answer: Option B

Explanation:
In virtual memory, a page is a fixed-size block of virtual memory that can be mapped to a physical frame in RAM or stored on disk.

This question belongs to: Computer Memory and Storage Devices

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