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Microprocessor

Microprocessor
IC 7485 cannot be cascadeD.

False
True

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 40
 27
 30
 13

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Microprocessor
The processor status word of 8085 microprocessor has five flags namely:

 S, OV, AC, P, CY
 S, Z, OV, P, CY
 S, Z, AC, P, OV
 S, Z, AC, P, CY

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Microprocessor
Total number of modes the 8253 can work

 8
 12
 6
 4

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Microprocessor
In order to complement the lower nibble of accumulator one can use

 XRI 0FH
 CMA
 ORI 0FH
 ANI 0FH

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

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

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