Which of the following memory technologies is used in cache memory? MCQ with Answer and Explanation

Question
Which of the following memory technologies is used in cache memory?
A. RDRAM
B. SDRAM
C. DRAM
D. SRAM
Answer: Option D
Solution (By JKSSB Mock Tests)
Cache memory is built with SRAM (Static RAM) due to its speed, though it is more expensive and less dense than DRAM.
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 role of the memory controller in a CPU?
A. To handle memory addressing and data transfer
B. To decide which data to store in RAM
C. To control the power supply to memory
D. To manage the cache
Discuss
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Correct Answer: Option A

Explanation:
The memory controller manages the flow of data between the CPU and main memory, handling memory addressing, command issuance, and data transfer timing.
This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a characteristic of a magnetic disk?
A. Data is stored in flash cells
B. Data is stored magnetically on a circular platter
C. Data is stored in pits
D. Data is stored using laser
Discuss
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Correct Answer: Option B

Explanation:
Hard disk drives store data magnetically on rotating platters. Optical discs use pits, and SSDs use flash cells.
This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a type of optical disc that can store up to 25 GB on a single layer?
A. DVD
B. HD DVD
C. Blu-ray
D. CD
Discuss
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Correct Answer: Option C

Explanation:
A single-layer Blu-ray disc can store approximately 25 GB of data. DVD holds 4.7 GB, and CD holds about 700 MB.
This question belongs to: Computer Memory and Storage Devices
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