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Microprocessor

Microprocessor
DMA is used between

 microprocessor and memory
 memory and I/O
 none
 microprocessor and I/O

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

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Microprocessor
RST 3 instruction will cause the processor to branch to the location

 0018H
 0028H
 0000H
 0024H

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Microprocessor
We say that a set of gates is logically complete if we can build any circuit without using any other kind of gates. Which of the following sets are logically complete

None of these
Set of {EXOR, NOT}
Set of {AND,OR,NOT}
Set of {AND,OR}

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 8
 5
 10
 16

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Microprocessor
Identify the non-programmable interfacing device from the following

 8295.
 8257.
 8255.
 8212.

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