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Microprocessor

Microprocessor
A microcomputer consists of

 a microprocessor
All of these
 I/O device
 memory

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Microprocessor
Which one of the following ICs is used to interface keyboard and display?

 8251
 8279
 8253
 8259

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Microprocessor
Which of the following conditions is not allowed in an RS latch?

R is asserted, S is asserted
R is negated, S is negated
R is negated, S is asserted
R is asserted, S is negated

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

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Microprocessor
The stack pointer

 resides in RAM
 may be in RAM or ROM
 resides in microprocessor
 resides in ROM

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Microprocessor
DMA signal/signals in 8085 is/are

 HOLD.
 READY.
 HLDA.
 All.

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MORE MCQ ON Microprocessor

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