Which of the following is a type of memory that is used for storing frequently used data to speed up access? MCQ with Answer and Explanation

Question
Which of the following is a type of memory that is used for storing frequently used data to speed up access?
A. Optical disc
B. ROM
C. Cache memory
D. Hard disk
Answer: Option C
Solution (By JKSSB Mock Tests)
Cache memory is designed to store frequently accessed data for quick access, reducing average memory access time.
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 purpose of a memory patch?
A. To increase memory speed
B. To physically repair memory
C. To add more memory
D. To modify memory contents temporarily
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Correct Answer: Option D

Explanation:
A memory patch is a modification to the contents of memory, often for debugging or updating code in real-time.
This question belongs to: Computer Memory and Storage Devices
Question #2
Which structural layout technique links multiple physical memory chips on a RAM stick to form a unified, wider data bus width?
A. Memory Ranking
B. Virtual Layering
C. Paging
D. Sectors Allocation
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Correct Answer: Option A

Explanation:
A memory rank is a unique block or area of data created using a collection of some or all memory chips on a single module that share a 64-bit wide data bus.
This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a typical storage capacity for a USB flash drive in 2026?
A. 128 MB
B. 4 GB
C. 64 GB
D. 1 TB
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Correct Answer: Option C

Explanation:
64 GB is a common capacity for USB drives in 2026, though larger sizes like 128 GB and 256 GB are also common. 128 MB and 4 GB are outdated for mainstream.
This question belongs to: Computer Memory and Storage Devices
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