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Digital Electronics

Digital Electronics
A device which converts BCD into octal is called

 encoder
 demultiplexer
 code converter
 decoder

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Digital Electronics
Which of the following gate is a two-level logic gate

NOT gate
EXCLUSIVE OR gate
OR gate
NAND gate

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Digital Electronics
Combinations that are not listed for the input variables are

 Borrow
 Carry
 Overflow
 Don't Care

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Digital Electronics
In which code do the successive code characters differ in only one position?

 XS-3 code
 Hamming code
 8421 code
 Gray code

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

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

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Digital Electronics
An n variable K-map can have

  nn cells
 n2n cells
 n2 cells
 2n cells

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MORE MCQ ON Digital Electronics

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