The CPU of a computer transfers print output to a temporary disk memory at high speed and then gets back to processing another job without waiting for the output to got to the printer. In this way, the CPU does not remain idle due to its own high speed as compared to the low speed of the printer. What is the name of this memory?

• A. External memory
• B. None of these
• C. I/O memory
• D. Buffer memory
• E. ROM

Answer: (D)