Computer Basic Information
What is the name of the reading device which mades use of photosensors and laser technologies to interpret printed, typed or even hand-written data directly from the source documents?

Mark-sensing device
None of these
ATM
MICR
OCR

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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
None of these
Buffer memory
I/O memory

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