What is the purpose of a memory bank in DRAM? MCQ with Answer and Explanation

What is the purpose of a memory bank in DRAM?
A. To store multiple copies of data
B. To reduce latency
C. To allow independent access to different sections of memory
D. To increase voltage
Answer: Option C
Solution (By JKSSB Mock Tests)
Memory banks in DRAM allow concurrent access to different banks, increasing parallelism and throughput.

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Practice More Memory and Storage Devices Questions

Question #1
What is the function of a memory controller in a modern CPU?
A. To execute instructions
B. To handle I/O operations
C. To manage cache
D. To manage memory timings and data flow

Correct Answer: Option D


Explanation:
The memory controller in modern CPUs handles the interface with RAM, including address decoding, command generation, and data transfer, optimizing memory performance.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a volatile memory type?
A. ROM
B. Flash memory
C. Magnetic disk
D. SRAM

Correct Answer: Option D


Explanation:
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
Question #3
What is the primary architectural disadvantage of Dynamic RAM (DRAM) compared to Static RAM (SRAM)?
A. DRAM is structurally more complex and expensive per gigabyte.
B. DRAM consumes less power overall.
C. DRAM requires periodic electrical refreshing which slows down access speed.
D. DRAM cannot handle multi-threaded processing requests.

Correct Answer: Option C


Explanation:
DRAM stores data using capacitors, which lose charge over time. This design requires continuous refreshing cycles, introducing latency that makes it slower than SRAM.

This question belongs to: Computer Memory and Storage Devices