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Microprocessor

Microprocessor
An 8-bit microprocessor can have ………….. address lines.

 cannot be predicted
 8
 16
 32

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Microprocessor
Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions?

 Program Counter.
 D-E.
 Stack Pointer.
 H-L.

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Microprocessor
The data bus of any microprocessor is always

 Bi-directional
 Unidirectional
 Either unidirectional or bi-directional
 None

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Microprocessor
Consider the following I) Sign flag II) Trap flag III) Parity flag IV) Auxiliary carry flag. Which one of the above flags is/are present in 8085 microprocessor?

 (II) & (III)
 (I) only
 (I) ,(III) & (IV)
 (I) & (II)

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

None of these
 remain unaffected
 decrement by two
 increment by two

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Microprocessor
8085 microprocessor has how many pins

 39.
  40.
  30.
 41.

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