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Digital Electronics

Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 OR
 NAND
 NOR
 AND

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

 100 to 999
 1000 to 10,000
 100 to 9,999
 < 10,000

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Digital Electronics
The terms which cannot be combined further in the tabular method are called

 essential prime implicants
 implicants
 selective prime implicants
 prime implicants

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Digital Electronics
The code used for labeling the cells of a K-map is

 hexadecimal
 gray
 8-4-2-1 binary
 octal

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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

 2 Mhz
 1 Khz
 8 Mhz
 2 Khz

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Digital Electronics
How many stable state/states present in flip-flop ?

 2
 1
 3
 4

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MORE MCQ ON Digital Electronics

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