Computer Basic Information
Which of the following is true concerning personal computers?

They have been most successful in the home
Their future is not so bright owning to the improved cost-performance ratio of minis and mainframes
The electronic spreadsheet has been a primary reason for their popularity
They decrease the demand for mainframe computers
None of these

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Computer Basic Information
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?

ROM
External memory
I/O memory
Buffer memory
None of these

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