Microprocessor
A microprocessor without the interrupt facility

 cannot be interfaced with any I/O devices
 is best suited for process control system
 cannot be used for DMA operation
 is not useful for process control system

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Microprocessor
A high on RESET OUT signifies that

 all the registers and counters are being reset
 all the registers of the CPU are being reset
 processing can begin when this signal goes high
 all the registers and counters are being reset and this signal can be used to reset external support chip

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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 true but R is false
 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 false but R is true

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