Microprocessor
Which one of the following is not correct?

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

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Microprocessor
When referring to instruction words, a mnemonic is

 shorthand for machine language.
 a short abbreviation for the operation to be performed.
 a short abbreviation for the operand address.
 a short abbreviation for the data word stored at the operand address.

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Microprocessor
Ready pin of microprocessor is used

 to indicate that microprocessor is ready to receive inputs
 to provide direct memory access
 to indicate that microprocessor is ready to receive outputs
 to introduce wait state

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