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Microprocessor

Microprocessor
Which one of the following microprocessor is not an 8-bit microprocessor

 8085
 68000
 6502
 Z-80

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Microprocessor
PSW stands for

 accumulator contents
 flag byte
 none
 accumulator and flag register contents

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Microprocessor
In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

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

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 0000H
 003CH
 002CH
 0043H

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Microprocessor
Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is?

2, 1, 3, 4
2, 1, 4, 3
1, 2, 3, 4
1, 2, 4, 3

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Microprocessor
While STC instruction executes,

 only carry flag will be affected.
 only carry and zero flags will be affected.
 no flags will be affected.
 all flags will be affected.

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