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Microprocessor

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

 ANI F0H
 XRI 0FH
 ANI OFH
 XRI FOH

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Microprocessor
A combinational PLD with a programmable AND array and a programmable OR array is called a

 PROM
 PLD
 PAL
 PLA

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Microprocessor
In microprocessor based system I/O ports are used to interface

 the I/O devices and memory chips
 the O/P devices only
 the I/P device only
 all the I/O devices

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Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RAL
 RLC
 RRC
 RAR

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Microprocessor
Of the following circuits, the one which involves storage is

Mux
RS Latch
Nand
Decoder

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Microprocessor
If m is a power of 2, the number of select lines required for an m-input mux is:

log2 (m)
2^m
2*m
m

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