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Digital Electronics

Digital Electronics
Digital circuit can be made by the repeated use of ___________

NAND gates
NOT gates
OR gates
None of these

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Digital Electronics
X OR X' will result

 1
 X'
 X
 0

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Digital Electronics
An X-OR gate gives a high output

 if there are odd number of 1s
 if it has even number of 0s
 if the decimal value of digital word is even
 for odd decimal value.

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Digital Electronics
An OR gate has 6 inputs. The number of input words in its truth table are

64
32
128
6

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

 a NAND or an X-NOR
 a NAND or an X-OR
 a NOR or an X-NOR
 a NAND or an AND

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Digital Electronics
How many numbers are used in the decimal number system?

 0 to 10
 1 to 10
None of these
 0 to 9

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MORE MCQ ON Digital Electronics

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