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Microprocessor

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

 16
 8
 32
 cannot be predicted

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 16
 2
 6
 8

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Microprocessor
How many machine cycles are required for execution of IN 30H instruction

 3
 6
 4
 5

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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.
 8 Mhz.
 2 Mhz.
 2 Khz.

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Microprocessor
An 8-bit microprocessor signifies that

 8-bit controller
 8-interrupt lines
 8-bit data bus
 8-bit address bus

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Microprocessor
A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as

 Address bus
 DMA bus
 Control bus
 Memory bus

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