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Microprocessor

Microprocessor
How many machine cycles are required for execution of IN 30H instruction

 6
 3
 4
 5

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Microprocessor
A single instruction to clear the lower nibble of accumulator in 8085 language assembly is

 ANI F0H
 ANI OFH
 XRI 0FH
 XRI FOH

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Microprocessor
How many segments are there in 8086?

 6.
 3.
 4.
 2.

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Microprocessor
SUB A instruction in 8085

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

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Microprocessor
The stack pointer

 resides in RAM
 may be in RAM or ROM
 resides in microprocessor
 resides in ROM

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Microprocessor
The number of output pins in 8085 microprocessors are

 21.
 19.
 40.
 27.

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