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Microprocessor

Microprocessor
The first microprocessor to include virtual memory in the intel microprocessor family is

 80486
 80286
 Pentium
 80386

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 incremented by one.
 transferred to memory address register .
 transferred to address bus.
 transferred to memory data register.

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Microprocessor
PSW stands for

 flag byte
 accumulator contents
 none
 accumulator and flag register contents

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

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

100000
one million
1000
10000

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Microprocessor
In a microprocessor based system the stack is always in

 microprocessor
 EPROM
 ROM
 RAM

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