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Microprocessor

Microprocessor
In order to save accumulator value on the stack, which of the following instruction may be used

 PUSH A
 PUSH SP
 PUSH PSW
 POP PSW

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Microprocessor
The number of status flags present in 8085 microprocessor are

 16
 8
 10
 5

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Microprocessor
What is SIM?

 Select interrupt mask.
 None of these.
  Set interrupt mask.
 Sorting interrupt mask.

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

 6
 5
 3
 4

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Microprocessor
The five flags in 8085 are designated as

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

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 8
 16
 10
 5

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