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Microprocessor

Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0030H.
 0024H.
 0060H.
 0048H.

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

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

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 16
 5
 8
 10

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Microprocessor
In microprocessor based system DMA refers to

 direct memory access for microprocessor
 direct memory access for the I/O device
None of these
 direct memory access for the user

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Microprocessor
The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are

 same as the content of A7-A0
 all bits reset (i.e. 00H)
 all bits set (i.e. FFH)
 irrelevant

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Microprocessor
CALL instruction is a ______ instruction.

 4 bytes
 2 bytes
 1 bytes
 3 bytes

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