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Microprocessor

Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 20
 16
 5
 4

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Microprocessor
Identify the non-maskable interrupt from the following

 RST 4.5
 RST 7.5
 RST 5.5
 RST 6.5

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Microprocessor
The control flags in 8086 are:

 the interrupt flag(IF).
All of these
 the direction flag(DF).
 the Trap flag(TF).

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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 larger floating point number
A negative floating point number
A smaller floating point number

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Microprocessor
The five flags in 8085 are designated as

Z, C, S, P, AC
Z, CY, S, P and AC
D, Z, S, P, AC
Z, CY, S, D, AC

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Microprocessor
In 8085, the pins for SID and SOD are

4 and 3 respectively
5 and 4 respectively
3 and 4 respectively
4 and 5 respectively

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