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Digital Electronics

Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 XOR, NOR
 NOR, XNOR
 XOR, OR
 OR, NOR

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Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m+1
 2m-1
 2m-1
 2m

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Digital Electronics
To get an excess-3 code from BCD code

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

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Digital Electronics
A self-complementing code for the decimal digits is created using the weight 4 4 3 -2. The value of 8592 in the code is

 1100 1001 1111 1000
 1000 0101 1001 0010
 1100 1011 1111 1001
 1100 0111 1111 0011

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Digital Electronics
A byte is equal to ________ bits.

 4
 16
 32
 8

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1100
 1000
 1001
 0011

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MORE MCQ ON Digital Electronics

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