Which of the following is a characteristic of a memory cache's associativity? MCQ with Answer and Explanation

Which of the following is a characteristic of a memory cache's associativity?
A. It determines how many cache lines map to a main memory block
B. It determines the cache speed
C. It determines the cache size
D. It determines the replacement policy
Answer: Option A
Solution (By JKSSB Mock Tests)
Associativity defines the number of places in cache where a given main memory block can be stored, affecting hit rate and complexity.

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Practice More Memory and Storage Devices Questions

Question #1
Which type of flash memory cell stores exactly three distinct bits of data inside a single physical transistor by managing eight distinct voltage levels?
A. Single-Level Cell (SLC)
B. Triple-Level Cell (TLC)
C. Multi-Level Cell (MLC)
D. Quad-Level Cell (QLC)

Correct Answer: Option B


Explanation:
Triple-Level Cell (TLC) flash memory architectures design cells to retain 3 distinct bits of binary data per transistor by utilizing 8 different internal voltage states.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a type of memory that is used for storing data in a USB drive?
A. NAND flash
B. DRAM
C. NOR flash
D. SRAM

Correct Answer: Option A


Explanation:
USB drives use NAND flash memory due to its high density and suitability for mass storage.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the typical capacity of a Blu-ray disc for 4K movies?
A. 50 GB (dual layer)
B. 25 GB
C. 128 GB
D. 100 GB (triple layer)

Correct Answer: Option D


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