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

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

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Computer Basic Information
The data bus in 8080A/8085 microprocessor is a group of

eight lines used to transfer data among the registers
eight unidirectional lines that are used for I/O devices
sixteen bidirectional lines that are used for data transfer between the microprocessor and memory
eight bidirectional lines that are used to transfer 8 bits between the microprocessor and its I/O and memory
None of these

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