What is the function of a memory mapper? MCQ with Answer and Explanation

Question
What is the function of a memory mapper?
A. To manage cache
B. To control memory refresh
C. To map memory addresses to physical locations
D. To increase memory speed
Answer: Option C
Solution (By JKSSB Mock Tests)
A memory mapper (like MMU) translates logical addresses to physical addresses, or maps memory regions in systems with limited address space.
This question belongs to: Computer Memory and Storage Devices
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Practice More Memory and Storage Devices Questions

Question #1
What is the typical capacity of a CD-R in minutes of video (VCD)?
A. 74 minutes
B. 60 minutes
C. 120 minutes
D. 80 minutes
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Correct Answer: Option A

Explanation:
VCD (Video CD) typically holds about 74 minutes of video, but with compression it can vary. Standard CD capacity is 74 or 80 minutes of audio.
This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a non-volatile semiconductor memory that can be erased and reprogrammed in large blocks rather than byte-by-byte?
A. Flash Memory
B. DRAM
C. SRAM
D. Mask ROM
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Correct Answer: Option A

Explanation:
Flash memory is a variation of EEPROM that is erased and programmed in large blocks or sectors, making it ideal for SSDs, pen drives, and SD cards.
This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is the fastest type of memory?
A. Flash
B. SRAM
C. ROM
D. DRAM
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Correct Answer: Option B

Explanation:
SRAM is the fastest among the listed options because it does not need refresh cycles and uses flip-flops, allowing near-instant access times, though it is more expensive.
This question belongs to: Computer Memory and Storage Devices
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