Microprocessor
Which one of the following is not correct?

 Bootstrap is a technique or device for loading first instruction
 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

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Microprocessor
Ready pin of microprocessor is used

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

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Microprocessor
Assertion(A): The frequency of 8085 system is ½ of the crystal frequency. Reason(R): Microprocessor (8085) requires a two phase clock.

 Both A & R are true and R is the correct explanation of A
 A is false but R is true
 A is true but R is false
 Both A & R are true but R is not the correct explanation of A

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