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Microprocessor

Microprocessor
How many T-states are required for execution of OUT 80H instruction?

 7
 10
 13
 16

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 002CH
 003CH
 0000H
 0043H

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Microprocessor
PSW stands for

 none
 accumulator contents
 flag byte
 accumulator and flag register contents

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Microprocessor
A microprocessor with a 12-bit address bus will be able to access

 8 K bytes
 4 K bytes
 10 K bytes
 1 K bytes

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Microprocessor
Which one of the following circuits transmits two messages simultaneously in one direction

 Simplex
 Duplex
 Quadruplex
 Diplex

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Microprocessor
SUB A instruction in 8085

 sets zero and carry flags
 sets zero and sign flags
 reset zero and parity flags
 reset carry and sign flags

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