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Microprocessor

Microprocessor
How many segments are there in 8086?

 3.
 6.
 2.
 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

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

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Microprocessor
The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are

 irrelevant
 all bits set (i.e. FFH)
 same as the content of A7-A0
 all bits reset (i.e. 00H)

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Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RAR
 RRC
 RAL
 RLC

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Microprocessor
In Fortran 77 a variable name can contain special characters.

True
False

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Microprocessor
CALL instruction is a ______ instruction.

 1 bytes
 4 bytes
 3 bytes
 2 bytes

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