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Microprocessor

Microprocessor
Total number of modes the 8253 can work

 6
 12
 8
 4

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

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

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Microprocessor
A single instruction to clear the lower nibble of accumulator in 8085 language assembly is

 XRI FOH
 ANI F0H
 ANI OFH
 XRI 0FH

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Microprocessor
Which of the following is not a general purpose peripheral?

Programmable CRT controller
Programmable interrupt controller
I/O port
Programmable interval timer

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 5
 10
 16
 8

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

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

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