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Microprocessor

Microprocessor
SPHL instruction copies the content of H-L register pair to the _________.

 D-E
 Stack Pointer
 PSW
 B-C

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Microprocessor
The number of output pins in 8085 microprocessors are

 40.
 21.
 27.
 19.

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

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

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Microprocessor
Identify the programmable DMA controller from the following

 8279
 8253
 8257
 8251

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Microprocessor
MS Access is a DBMS software.

True
False

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Microprocessor
Using one 8259 IC is equivalent to providing …………. INTR pins on 8085

 12
 18
 16
 8

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