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Digital Electronics

Digital Electronics
A debouncing circuit is

A bistable MV
An astable MV
A latch
A monostable MV

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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

 1 Khz
 8 Mhz
 2 Mhz
 2 Khz

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Digital Electronics
Stack is also known as

 FIFO memory
 Flash memory
 LIFO memory
 LILO memory

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Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

22n
2n
2n-1
2n

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Digital Electronics
Excess-3 code is known as

Algebraic code
Weighted code
Self-complementing code
Cyclic redundancy code

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Digital Electronics
In VLSI, the number of gate circuits per chip is

 > 10,000
 50,000 to 99,999
 < 10,000
 10,000 to 99,999

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