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Microprocessor

Microprocessor
Which one of the following microprocessor has 16-bit data bus?

 6502
 8085
 68000
 Z-80

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Microprocessor
PSW stands for

 accumulator contents
 flag byte
 none
 accumulator and flag register contents

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Microprocessor
Which of the following interrupt is both level and edge sensitive?

 RST 5.5
 INTR
 RST 7.5
 TRAP

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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]

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

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Microprocessor
The control flags in 8086 are:

 the interrupt flag(IF).
All of these
 the Trap flag(TF).
 the direction flag(DF).

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Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

234
6 AFH
45 H
64 H

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