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Microprocessor

Microprocessor
The number of output pins in 8085 microprocessors are

 19.
 40.
 27.
 21.

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Microprocessor
DMA signal/signals in 8085 is/are

 HLDA.
 All.
 HOLD.
 READY.

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Microprocessor
The characteristics of RESET OUT signal is/are

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

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

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

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Microprocessor
CALL instruction is a ______ instruction.

 4 bytes
 2 bytes
 3 bytes
 1 bytes

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Microprocessor
XCHG instruction exchanges the content of H-L with ______ register pair.

 B-C
 Stack Pointer
 PSW
 D-E

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