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Microprocessor

Microprocessor
An 8-bit microprocessor can have ………….. address lines.

 8
 cannot be predicted
 16
 32

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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.
 2 Mhz.
 1Khz.

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Microprocessor
The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is

 four times the desired frequency
None of these
 twice the desired frequency
 equal to the desired frequency

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Microprocessor
What are the sets of commands in a program which are not translated into machine instructions during assembly process, called?

 Identifiers
 Directives
 Mnemonics
 Operands

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

 0000H
 0028H
 0018H
 0024H

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Microprocessor
The program counter in a 8085 micro-processor is a 16-bit register, because

 There are 16 address lines
 It counts 16-bits at a time
 It has to fetch two 8-bit data at a time
 It facilitates the user storing 16-bit data temporarily

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