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Microprocessor

Microprocessor
How many segments are there in 8086?

 4.
 2.
 6.
 3.

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

 ANI OFH
 XRI FOH
 ANI F0H
 XRI 0FH

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

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

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Microprocessor
Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable.

DOUBLEWORD (32 bits)
WORD (16 bits)
NIBBLE
BYTE

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the sequence in which memory contents are fetched by it
 its internal registers
 the program counter
 the stack pointer

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Microprocessor
Which of the following interrupt is both level and edge sensitive?

 INTR
 RST 7.5
 TRAP
 RST 5.5

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