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Microprocessor

Microprocessor
RST 3 instruction will cause the processor to branch to the location

 0000H
 0018H
 0024H
 0028H

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 incremented by one.
 transferred to address bus.
 transferred to memory address register .
 transferred to memory data register.

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Microprocessor
A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as

 Control bus
 Memory bus
 DMA bus
 Address bus

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Microprocessor
Assertion(A): Address bus is unidirectional. Reason(R): Data bus is bidirectional

 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
 A is true but R is false

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Microprocessor
Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.[Hint: Construct the truth table for the adder and the multiplier]

None of these
Circuit B has more gates than circuit A
Circuit A has more gates than circuit B
Circuit A has the same number of gates as circuit B

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Microprocessor
In a microprocessor based system the stack is always in

 ROM
 microprocessor
 RAM
 EPROM

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