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Microprocessor

Microprocessor
During OPCODE fetch the state of S0 and S1 is

 00
 11
 10
 01

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Microprocessor
XCHG instruction exchanges the content of H-L with ______ register pair.

 D-E
 Stack Pointer
 B-C
 PSW

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Microprocessor
Which one of the following microprocessor is not an 8-bit microprocessor

 68000
 8085
 6502
 Z-80

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

 ANI F0H
 XRI 0FH
 XRI FOH
 ANI OFH

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Microprocessor
PSW stands for

 accumulator and flag register contents
 flag byte
 accumulator contents
 none

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Microprocessor
In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location

 0034H
 0000H
 003CH
 002CH

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