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Digital Electronics

Digital Electronics
Which of the following gates is known as a coincidence detector?

 AND gate
 X-NOR gate
 X-OR gate
 NAND gate

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Digital Electronics
Which of the following is a self-complementing code?

 cyclic code
 XS-3 code
 Gray code
 Hamming code

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Digital Electronics
The fan put of a 7400 NAND gate is

2TTL
5TTL
8TTL
10TTL

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

 Gray code
 Hamming code
 8421 code
 XS-3 code

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Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

  6.
 24.
 12.
  10.

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Digital Electronics
Extended Binary Coded Decimal Interchange Code is an ________ bit code.

 7
 32
 8
 16

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