Which of the following is the fastest memory?

Correct option is D

Correct Answer is option(d) Cache Memory

Cache Memory:

• Cache memory is a specialized, very high-speed memory.
• It accelerates and synchronizes operations with a high-speed CPU.
• Cache memory is more expensive than main or disk memory but less costly than CPU registers.
• It is an extremely fast memory type that acts as a bridge between RAM and the CPU.
• Cache memory stores frequently accessed data and instructions, making them instantly available to the CPU when needed.
• Its purpose is to reduce the average time required to retrieve data from the main memory.

Additional Information:
Secondary Memory:

• Secondary memory is non-volatile, meaning it retains data even when the power is turned off.
• It offers large storage capacities, often reaching terabytes.
• It is more affordable compared to primary memory.
• Based on its integration with the CPU, secondary memory can be classified into two types: fixed and removable.