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Microprocessor

Microprocessor
MS Access is a DBMS software.

False
True

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Microprocessor
DMA is used between

 microprocessor and I/O
 none
 memory and I/O
 microprocessor and memory

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Microprocessor
Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.[Hint: Construct the truth table for the adder and the multiplier]

None of these
Circuit B has more gates than circuit A
Circuit A has more gates than circuit B
Circuit A has the same number of gates as circuit B

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Microprocessor
The number of interrupt lines in 8085 is

3
2
4
5

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Microprocessor
Identify the non-programmable interfacing device from the following

 8255.
 8212.
 8295.
 8257.

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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.
 H-L.
 Stack Pointer.

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