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Digital Electronics

Digital Electronics
OR operation is equivalant to

 Division
 Both B and C
 Union
 Intersection

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Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 7
 6
 9
 8

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

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

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Digital Electronics
NAND. gates are preferred over others because these

provide maximum density in a chip.
have lower fabrication area
consume least electronic power
can be used to make any gate

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

 1000
 1100
 0011
 1001

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Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 4
 2
 3
 1

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