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Digital Electronics

Digital Electronics
What is the radix of octal number system ?

 16
 2
 8
 10

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

 Hamming code
 8421 code
 Gray code
 XS-3 code

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Digital Electronics
Which of the following is not a transmission medium?

 Coaxial cables.
 Telephone lines.
  Modem.
 Microwave systems.

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 3 × 4
 8 × 8
 8 × 4
 3 × 8

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

 X-OR
 OR
 NOR
 NAND

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Digital Electronics
A Binary number system has how many digits.

 10
 1
 0
 2

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