Which of the following is a volatile memory type? MCQ with Answer and Explanation

Question
Which of the following is a volatile memory type?
A. Magnetic disk
B. SRAM
C. ROM
D. Flash memory
Answer: Option B
Solution (By JKSSB Mock Tests)
SRAM is volatile, meaning it loses data when power is removed. Flash, ROM, and magnetic disk are non-volatile.
This question belongs to: Computer Memory and Storage Devices
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Practice More Memory and Storage Devices Questions

Question #1
Which type of cache memory is typically built directly into the processor chip itself and is the fastest among all cache layers?
A. L3 Cache
B. L1 Cache
C. L2 Cache
D. L4 Cache
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Correct Answer: Option B

Explanation:
L1 cache (Level 1) is the closest and fastest memory layer integrated directly inside the CPU core.
This question belongs to: Computer Memory and Storage Devices
Question #2
How many bits are contained in a standard hexademical digit stored in computer memory?
A. 16 bits
B. 8 bits
C. 4 bits
D. 2 bits
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Correct Answer: Option C

Explanation:
A single hexadecimal character represents values from 0 to 15, which maps to a 4-bit binary sequence (a nibble).
This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a type of memory that is used for storing data in a digital audio player?
A. Flash memory
B. Hard disk
C. CD-ROM
D. Magnetic tape
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Correct Answer: Option A

Explanation:
Digital audio players (MP3 players) typically use flash memory for storage, though some older ones used hard disks.
This question belongs to: Computer Memory and Storage Devices
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