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Digital Electronics

Digital Electronics
A device which converts 2421 code into 8421code is called a

 code encoder
 code converter
 code decoder
 coder

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Digital Electronics
Positive integers must be represented by

 signed numbers
 Both A and B
 unsigned number
 None of these

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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

ECL
TTLAS
TTLLS
CMOS

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Digital Electronics
EBCDIC code is a

 8-bit code
 7-bit code
 5-bit code
 10-bit code

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Digital Electronics
How many stable state/states present in flip-flop ?

 2
 3
 4
 1

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0110 is subtracted
 0110 is added
 0011 is subtracted
 0011 is added

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