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Microprocessor

Microprocessor
Pick up the programmable interrupt controller from the following

 8257
 8275
 8259
 8279

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Microprocessor
The word size of 8085 microprocessor is

 4-bit
 8-bit
 16-bit
 20-bit

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

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Microprocessor
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

True
False

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Microprocessor
How many machine cycles are required for execution of IN 30H instruction

 6
 5
 4
 3

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Microprocessor
IC 7485 cannot be cascadeD.

False
True

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