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Microprocessor

Microprocessor
The number of output pins in 8085 microprocessors are

 19.
 40.
 21.
 27.

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Microprocessor
When the write enable input is not asserted, the gated D latch _________ its output.

Clears
Can not change
Complements
Sets

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Microprocessor
Pick out the matching pair

 HOLD; DMA
 S0;S1;wait status
 SID; SIM
 READY; RIM

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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 A has more gates than circuit B
Circuit B has more gates than circuit A
Circuit A has the same number of gates as circuit B

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Microprocessor
While CMP B instruction executes,

 only carry and zero flags will be affected.
 only carry flag will be affected.
 all flags will be affected.
 no flags will be affected.

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Microprocessor
Using DeMorgan’s Theorem we can convert any AND-OR structure into

NAND-NOR
NAND-NAND
OR-NAND
NOR-NAND

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