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Microprocessor

Microprocessor
How many segments are there in 8086?

 2.
 6.
 4.
 3.

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Microprocessor
An I/O processor controls the flow of information between

Cache memory and I/O devices
Two I/O devices
Cache and main memory
Main memory and I/O devices

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Microprocessor
SUB A instruction in 8085

 sets zero and carry flags
 reset carry and sign flags
 sets zero and sign flags
 reset zero and parity flags

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Microprocessor
Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value?

 MOV A, 00H
 ORA A
 CLR A
 SUB A

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Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

234
6 AFH
64 H
45 H

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 8
 2
 16
 6

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