Microprocessor
An 8-bit microprocessor signifies that

 8-bit controller
 8-bit address bus
 8-interrupt lines
 8-bit data bus

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Microprocessor
The interrupt facility is provided in microprocessor to

 keep a control on the working of the microprocessor
 stop the microprocessor when it starts malfunctioning
 change the sequence of the instructions being executed
 stop the microprocessor when desired

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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.

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

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