Microprocessor
In an intel 8085A, which is the first machine cycle of an instruction?

 A memory read cycle
 An op-code fetch cycle
 An I/O read cycle
 A memory write cycle

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Microprocessor
Which one of the following is not correct?

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

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