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Microprocessor

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

one million
1000
10000
100000

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Microprocessor
Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode?

 6
 8
 10
 4

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

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Microprocessor
What is SIM?

  Set interrupt mask.
 Sorting interrupt mask.
 None of these.
 Select interrupt mask.

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Microprocessor
MS Access is a DBMS software.

True
False

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

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

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