Computer Basic Information
Bubble memory is a

Direct access device only
Sequential access device only
All of these
Combination of sequential and direct access devices
None of these

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Computer Basic Information
What is the main difference between a mainframe and a super computer?

Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.
Super computers are much smaller than mainframe computers.
Super computer is much larger than mainframe computers.
Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently.
None of these

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