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 reduce latency
B. To allow independent access to different sections of memory
C. To store multiple copies of data
D. To increase voltage
Answer: Option B
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
Which of the following is a measure of memory speed?
A. CAS latency
B. Pins
C. Voltage
D. Capacity

Correct Answer: Option A


Explanation:
CAS (Column Address Strobe) latency is a measure of the delay between a memory read command and the availability of data, indicating memory speed. Capacity is size, voltage is power, and pins are physical connector.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the typical capacity of a Blu-ray disc for 4K movies?
A. 100 GB (triple layer)
B. 25 GB
C. 128 GB
D. 50 GB (dual layer)

Correct Answer: Option A


Explanation:
Ultra HD Blu-ray discs for 4K movies often use triple-layer discs of 100 GB capacity, though dual-layer 50 GB is also used.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the data storage capacity limit of an older, standard single-density 5.25-inch floppy disk?
A. 360 KB
B. 720 KB
C. 1.44 MB
D. 2.88 MB

Correct Answer: Option A


Explanation:
Early double-sided single-density or double-density 5.25-inch floppy disks used on classic PC hardware typically maxed out around 360 KB of capacity.

This question belongs to: Computer Memory and Storage Devices