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
 An instruction is a set of bits that defines a computer operation
 Bootstrap is a technique or device for loading first instruction

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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.

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

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Microprocessor
Assertion(A): Monostablemultivibrators (IC74121) are used in a microprocessor based system for frequency measurement. Reason(R): Microprocessor counts the number of interrupt signals/second or within a specified interval through ISR.

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

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