Which of the following is fastest memory?

The correct answer is Cache Memory.

Key Points

• ​Cache memory
  • It is a high-speed storage area for temporary storage.
  • It is the smaller and fastest memory component in the computer.
  • It is used during the reading and writing processes from the disk.
  • It acts as a buffer between RAM and the CPU.

Additional Information

• Auxiliary Memory
  • It is known as the lowest-cost, highest-capacity and slowest-access storage in a computer system.
  • It is where programs and data are kept for long-term storage or when not in immediate use.
  • The most common examples of auxiliary memories are magnetic tapes and magnetic disks.