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Microprocessor

Microprocessor
RST 3 instruction will cause the processor to branch to the location

 0028H
 0024H
 0018H
 0000H

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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

 8 Mhz.
 2 Khz.
 1Khz.
 2 Mhz.

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Microprocessor
IC 7485 cannot be cascadeD.

False
True

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 flags
 latches
 counters
 shift registers

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Microprocessor
In an intel 8085A, which is the first machine cycle of an instruction?

 A memory write cycle
 An I/O read cycle
 A memory read cycle
 An op-code fetch cycle

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Microprocessor
For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2].

Cannot be determined
Greater than
Less than
The same as

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