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Digital Electronics

Digital Electronics
The parity of the binary number 11011001 is

 odd
 same as the number of zeros
 not known
 even

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

 coder
 code encoder
 code converter
 code decoder

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

 NOR
 OR
 NAND
 AND

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Digital Electronics
How many bits are required to store one BCD digit ?

 3
 2
 4
 1

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Digital Electronics
In which of the following codes do the successive characters differ in only 1-bit position?

 8421 code
 binary code
 cyclic code
 2421 code

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Digital Electronics
Which of the following gates cannot be used as an inverter?

 AND
 X-NOR
 NAND
 NOR

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