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Microprocessor

Microprocessor
Length of the instruction POP D is

 4 byte
 2 byte
 1 byte
 3 byte

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Microprocessor
SUB A instruction in 8085

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

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Microprocessor
Register pair used to indicate memory

 H and L
 W and Z
 D and E
 B and C

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Microprocessor
Identify the non-programmable interfacing device from the following

 8257.
 8212.
 8255.
 8295.

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Microprocessor
In 8086 the number of bytes which can be addressed directly is about

1000
one million
100000
10000

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Microprocessor
During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction.

 None of these
 Both ‘c’ and ‘d’
 Bus Interface Unit (BIU)
 Execution Unit (EU)

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