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Microprocessor

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

 POP 30 H
 POP D
 POP B
 POP PSW

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Microprocessor
Which of the following instruction will never affect the zero flag?

 XRA R
 DCR R
 DCX Rp
 ORA R

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Microprocessor
The five flags in 8085 are designated as

Z, CY, S, D, AC
D, Z, S, P, AC
Z, CY, S, P and AC
Z, C, S, P, AC

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Microprocessor
The characteristics of RESET OUT signal is/are

 the signal is synchronized to the processor clock.
 all.
 this signal can be used to reset other devices.
 indicates that µp is being reset.

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Microprocessor
How many segments are there in 8086?

 4.
 3.
 2.
 6.

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Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

6 AFH
234
64 H
45 H

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