Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 transferred to address bus.
 transferred to memory data register.
 incremented by one.
 transferred to memory address register .

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Microprocessor
A microprocessor is ALU

 register unit and I/O device on a single chip.
 and memory on a single chip.
 register unit and control unit on a single chip.
 and control unit on a single chip.

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Microprocessor
Which one of the following is not correct?

 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
 An instruction is a set of bits that defines a computer operation

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