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Microprocessor

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

 POP B
 POP D
 POP PSW
 POP 30 H

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Microprocessor
Identify the programmable DMA controller from the following

 8253
 8279
 8257
 8251

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

 3
 6
 5
 4

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Microprocessor
In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location

 002CH
 0034H
 003CH
 0000H

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 13
 40
 30
 27

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Microprocessor
The execution of RST n instruction causes the stack pointer to

 increment by two
 decrement by two
None of these
 remain unaffected

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