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Digital Electronics

Digital Electronics
What is the radix of octal number system ?

 8
 2
 16
 10

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Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

CMOS
ECL
TTLLS
TTLAS

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

 Gray code
 cyclic code
 XS-3 code
 Hamming code

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Digital Electronics
The codes in which each successive code word differs from the preceding one in only one bit position are called

 cyclic codes
 BCD codes
 self-complementing codes
 sequential codes

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Digital Electronics
The number FF in base-16 systems will be equal to ________ in binary system.

 10101010
 11111111
 11101110
 10011001

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Digital Electronics
How many input and output required for demultiplexer ?

 one input and many output
None of these
 number of selection inputs and one output
 one input and one output

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