Select which of the given statement(s) is/are True or False for the Central Processing Unit (CPU) of Computer Systems.

(i) The CPU's clock speed controls the timing and execution speed of instructions.

(ii) The CPU's cache memory provides high-speed access to frequently used instructions and data.

Question

Select which of the given statement(s) is/are True or False for the Central Processing Unit (CPU) of Computer Systems.

(i) The CPU's clock speed controls the timing and execution speed of instructions.

(ii) The CPU's cache memory provides high-speed access to frequently used instructions and data.

Accepted Answer

**Solution:**

1. The CPU's clock speed, measured in gigahertz (GHz), determines how many cycles or instructions the processor can execute per second. This directly influences the timing and speed at which instructions are processed.

2. Cache memory is a small, very fast memory located inside or close to the CPU. It stores frequently accessed instructions and data to speed up retrieval times compared to accessing the main memory (RAM).

3. Because of these properties, both statements (i) and (ii) are correct:
   - Statement (i) is true since clock speed controls execution timing.
   - Statement (ii) is true because cache memory provides rapid access to commonly used data and instructions.

**Answer:** (i) True, (ii) True

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