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Microprocessor

Microprocessor
Total number of modes the 8253 can work

 4
 12
 8
 6

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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

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

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Microprocessor
The control flags in 8086 are:

 the interrupt flag(IF).
 the direction flag(DF).
 the Trap flag(TF).
All of these

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Microprocessor
The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

 Machine cycle
 Memory cycle
 Clock cycle
 Instruction cycle

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

 higher order address lines
None of these
 status lines
 lower order address lines

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Microprocessor
Which of the following is type declaration statement in C?

prin = prin * prin
int bar
king = horse + 1
s = s + 1

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