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Microprocessor

Microprocessor
What is the size (in bytes) of Prefetch queue in 8086?

 2.
 6.
 3.
 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
A negative floating point number
A smaller floating point number
Either A or B depending on the actual number

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Microprocessor
The processor status word of 8085 microprocessor has five flags namely:

 S, Z, OV, P, CY
 S, Z, AC, P, CY
 S, OV, AC, P, CY
 S, Z, AC, P, OV

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Microprocessor
Which of the following interrupt is both level and edge sensitive?

 RST 7.5
 INTR
 TRAP
 RST 5.5

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 00000100
 11000100
 010001000
 01000000

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Microprocessor
What is used to access 16-bit data in 8086?

 Data Banking.
 Memory Banking.
 Pipeline architecture.
None of these

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