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Microprocessor

Microprocessor
It is possible to copy a file in the same directory.

True
False

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Microprocessor
In 8085 name/names of the 16 bit registers is/are

 program counter.
 stack pointer.
 both A and B.
 none of these.

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Microprocessor
A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is

 PCHL & DAD D
 XTHL & DAD H
 XCHG & DAD H
 XCHG & DAD B

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

 B-C
 PSW
 Stack Pointer
 D-E

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

 XRI FOH
 XRI 0FH
 ANI F0H
 ANI OFH

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 30
 13
 40
 27

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