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Microprocessor

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

 XRI 0FH
 XRI FOH
 ANI OFH
 ANI F0H

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Microprocessor
In 8085, the pins for SID and SOD are

4 and 5 respectively
3 and 4 respectively
5 and 4 respectively
4 and 3 respectively

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

 Stack Pointer
 PSW
 D-E
 B-C

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Microprocessor
The stack pointer

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

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Microprocessor
For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2].

Cannot be determined
Less than
The same as
Greater than

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Microprocessor
Consider the following I) Sign flag II) Trap flag III) Parity flag IV) Auxiliary carry flag. Which one of the above flags is/are present in 8085 microprocessor?

 (II) & (III)
 (I) ,(III) & (IV)
 (I) & (II)
 (I) only

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