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Microprocessor

Microprocessor
Which of the following instruction will never affect the zero flag?

 ORA R
 XRA R
 DCX Rp
 DCR R

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Microprocessor
MS Access is a DBMS software.

False
True

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Microprocessor
If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is

Either A or B depending on the actual number
A negative floating point number
A larger floating point number
A smaller floating point number

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

 0043H
 003CH
 0000H
 002CH

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Microprocessor
PSW stands for

 none
 flag byte
 accumulator and flag register contents
 accumulator contents

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

 Pentium
 80486
 80286
 80386

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