Which of the Following Statements are Correct?

1. Every cache miss results in data being fetched from RAM.
2. Registers are generally faster than cache memory.
3. Cache memory is used to reduce CPU waiting time.
4. Cache memory is part of secondary storage.

Question

Which of the Following Statements are Correct?

1. Every cache miss results in data being fetched from RAM.

2. Registers are generally faster than cache memory.

3. Cache memory is used to reduce CPU waiting time.

4. Cache memory is part of secondary storage.

Quintessence Classes · Accepted Answer

The correct answer is 2 and 3 only. Statement Analysis1. Incorrect: In systems with multi-level caching (e.g., L1, L2, and L3 caches), a miss in the L1 cache will first check the L2 or L3 cache before going all the way to RAM.2. Correct: Registers are located directly inside the CPU core and operate at CPU clock speed (sub-nanosecond response times), making them faster than cache memory.3. Correct: Cache memory stores frequently accessed data and instructions close to the processor, minimizing the time the CPU spends waiting for data to load from slower main memory (RAM).4. Incorrect: Cache memory is high-speed volatile primary memory (built using SRAM), whereas secondary storage refers to non-volatile storage devices like SSDs and Hard Drives.

Answer

1 and 4 only

Answer

1, 2 and 3 only

Answer

All four

Which of the Following Statements are Correct?

1. Every cache miss results in data being fetched from RAM.
2. Registers are generally faster than cache memory.
3. Cache memory is used to reduce CPU waiting time.
4. Cache memory is part of secondary storage.

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Which of the Following Statements are Correct?1. Every cache miss results in data being fetched from RAM.2. Registers are generally faster than cache memory.3. Cache memory is used to reduce CPU waiting time.4. Cache memory is part of secondary storage.

Answer & Explanation

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Which of the Following Statements are Correct?

1. Every cache miss results in data being fetched from RAM.
2. Registers are generally faster than cache memory.
3. Cache memory is used to reduce CPU waiting time.
4. Cache memory is part of secondary storage.