Which type of cache memory is typically built directly into the processor chip itself and is the fastest among all cache layers? MCQ with Answer and Explanation

Question
Which type of cache memory is typically built directly into the processor chip itself and is the fastest among all cache layers?
A. L1 Cache
B. L3 Cache
C. L4 Cache
D. L2 Cache
Answer: Option A
Solution (By JKSSB Mock Tests)
L1 cache (Level 1) is the closest and fastest memory layer integrated directly inside the CPU core.
This question belongs to: Computer Memory and Storage Devices
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Practice More Memory and Storage Devices Questions

Question #1
Which of the following is a type of optical disc that can store up to 25 GB on a single layer?
A. CD
B. Blu-ray
C. HD DVD
D. DVD
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Correct Answer: Option B

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
Question #2
Which mathematical base forms the underlying structural logic of standard computer memory capacity measurements?
A. Base 2 (Binary)
B. Base 8 (Octal)
C. Base 10 (Decimal)
D. Base 16 (Hexadecimal)
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Correct Answer: Option A

Explanation:
Computer systems process binary logic states (0 and 1). Thus, memory capacities naturally scale using powers of 2 (e.g., 2, 4, 8, 16, 32, 64).
This question belongs to: Computer Memory and Storage Devices
Question #3
What does the acronym PROM stand for?
A. Permanent Read-Only Memory
B. Parallel Read-Only Memory
C. Primary Read-Only Memory
D. Programmable Read-Only Memory
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Correct Answer: Option D

Explanation:
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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