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NTPC Graduate Tier 1 2025 Shift-2 📅 05 Jun, 2025

What is the main purpose of cache memory in a computer?

A
To serve as virtual memory
B
To provide backup for RAM
C
To store frequently accessed data for quick retrieval
D
To permanently store user files
Result Summary
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NTPC Graduate Tier 1
2025 • 05 Jun, 2025 • Shift-2
What is the main purpose of cache memory in a computer?
Correct Answer
To store frequently accessed data for quick retrieval
Hardware Architecture: In the memory hierarchy of a computing system, cache sits directly between the main memory (RAM) and the Central Processing Unit (CPU).Sp......
Ref/Book : NTPC Graduate Tier 1 2025
Ref. Subject General Awareness
Chapter -
Ref. Topic Computer Knowledge
Pg. No -
💡 Analysis & Explanation
Hardware Architecture ▼
In the memory hierarchy of a computing system, cache sits directly between the main memory (RAM) and the Central Processing Unit (CPU).
Speed Optimization ▼
Its fundamental role is to act as a high-speed buffer, retaining identical copies of data and instructional codes that the processor requires repeatedly.
Operational Efficiency ▼
By keeping this data incredibly close to the CPU, it drastically reduces the time needed to fetch information compared to querying the slower main memory.
Conclusion ▼
Therefore, storing frequently accessed data for rapid retrieval is its definitive function.
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