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Microprocessor

Microprocessor
Which of the following is type declaration statement in C?

prin = prin * prin
king = horse + 1
int bar
s = s + 1

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Microprocessor
The stack pointer

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

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Microprocessor
In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location

 002CH
 0000H
 003CH
 0034H

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Microprocessor
Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode?

 8
 6
 10
 4

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Microprocessor
In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

 None of these
 Execution Unit (EU)
 Bus Interface Unit (BIU)
 Both ‘b’ and ‘c’

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Microprocessor
While using a frequency counter for measuring frequency, two modes of measurement are possible: Period time Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4MHz, the crossover frequency is given by

 1Khz.
 2 Khz.
 2 Mhz.
 8 Mhz.

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