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Microprocessor

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

 ANI F0H
 XRI 0FH
 ANI OFH
 XRI FOH

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

 5
 6
 3
 4

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Microprocessor
Which of the following is type declaration statement in C?

int bar
s = s + 1
king = horse + 1
prin = prin * prin

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Microprocessor
The ROM programmed during manufacturing process itself is called

 EPROM
 EEPROM
 PROM
 MROM

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

 Accumulator
 Process status register
 Flag register
 Condition code register

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Microprocessor
Which of the following instruction is not possible in 8085?

 POP PSW
 POP D
 POP 30 H
 POP B

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