What does the acronym PROM stand for? MCQ with Answer and Explanation

Question
What does the acronym PROM stand for?
A. Programmable Read-Only Memory
B. Primary Read-Only Memory
C. Parallel Read-Only Memory
D. Permanent Read-Only Memory
Answer: Option A
Solution (By JKSSB Mock Tests)
PROM stands for Programmable Read-Only Memory, which can be programmed once after manufacturing using a special device.
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 typical capacity of a Blu-ray disc for 4K movies?
A. 128 GB
B. 50 GB (dual layer)
C. 25 GB
D. 100 GB (triple layer)
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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
Question #2
Which component manages data transfers inside a computer system by implementing the 'Least Recently Used' (LRU) algorithm?
A. Cache Controller
B. BIOS Boot Loader
C. Optical Drive Firmware
D. Hard drive file allocation table
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Correct Answer: Option A

Explanation:
The cache controller utilizes replacement policies like Least Recently Used (LRU) to determine which older data blocks to discard when space is needed for new cache lines.
This question belongs to: Computer Memory and Storage Devices
Question #3
What is the function of a memory rank?
A. A part of the memory address
B. A type of memory error
C. A measure of memory speed
D. A set of DRAM chips on a module that can be accessed simultaneously
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Correct Answer: Option D

Explanation:
A memory rank is a group of DRAM chips on a DIMM that are accessed together to provide a data bus width (e.g., 64-bit).
This question belongs to: Computer Memory and Storage Devices
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