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Microprocessor

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

 ANI F0H
 ANI OFH
 XRI FOH
 XRI 0FH

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Microprocessor
In 8085, the pins for SID and SOD are

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

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Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Process status register
 Flag register
 Accumulator
 Condition code register

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Microprocessor
SUB A instruction in 8085

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

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 16
 8
 2
 6

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Microprocessor
The minimum number of transistors required to implement a two input AND gate is

4
2
6
8

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