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Digital Electronics

Digital Electronics
The inverter is ___________

OR gate
AND gate
NOT gate
None of these

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 1
 any number
 2
 4

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 2
 3
 1
 4

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Digital Electronics
AND operation of (79)10 & (-56)10 is

 50H
 08H
 48H
 42H

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Digital Electronics
While using a frequency counter for measuring frequency, two modes of measurement are possible. 1. Period time 2. 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 Mhz
 1 Khz
 2 Khz

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Digital Electronics
A latch is ________ sensitive

 level
 both level and edge
 None
 edge

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