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Microprocessor

Microprocessor
The number of output pins in 8085 microprocessors are

 27.
 21.
 19.
 40.

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Microprocessor
Temporary registers in 8085 are

 D and E.
 W and Z.
 B and C.
 H and L.

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Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

64 H
45 H
6 AFH
234

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Microprocessor
________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line.

 RIM
 EI
 SIM
 DI

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

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Microprocessor
In 8085, the pins for SID and SOD are

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

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