Which among the following is **incorrect** about cache memory?

1. It is slower than the main memory.
2. It keeps the programs that can be run in a short amount of time.
3. It acts as a high speed buffer between CPU and main memory.
4. It stores data in temporary use.

Question

Which among the following is **incorrect** about cache memory?

1. It is slower than the main memory.
2. It keeps the programs that can be run in a short amount of time.
3. It acts as a high speed buffer between CPU and main memory.
4. It stores data in temporary use.

Accepted Answer

**Solution:**

1. Cache memory is a **small, high-speed memory** located close to the CPU.

2. It stores frequently used data and instructions to reduce the time the CPU takes to access data from the slower main memory (RAM).

3. Therefore, cache memory is **faster** than the main memory, not slower.

4. It acts as a **high-speed buffer** between the CPU and main memory, temporarily storing data that is likely to be reused.

5. The statement "It is slower than the main memory" is **incorrect**.

**Answer:** It is slower than the main memory.

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