Microprocessor
The first machine cycle of an instruction is always

 A memory read cycle
 A fetch cycle
 A memory write cycle
 An I/O read cycle

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Microprocessor
IN an intel 8085A microprocessor, why is READY signal used?

 To slow down a fast peripheral device so as to communicate at the microprocessor’s device.
 To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device.
None of these
 To indicate to user that the microprocessor is working and is ready for use.

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Microprocessor
Which one of the following is not correct?

 An interrupt signal is required at the start of every program
 Bootstrap is a technique or device for loading first instruction
 Bus is a group of wires
 An instruction is a set of bits that defines a computer operation

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