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Digital Electronics

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

 OR
 NOR
 NAND
 X-OR

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Digital Electronics
The output of a gate is LOW if and only if all its inputs are HIGH. It is true for

 NAND
 X-NOR
 AND
 NOR

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Digital Electronics
The number of cells in a 6 variable K-map is

 64
 6
 36
 12

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

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

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Digital Electronics
Excess-3 code is known as

Self-complementing code
Weighted code
Cyclic redundancy code
Algebraic code

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Digital Electronics
Consider the following multiplication: (10w1z) × (15)10 = (y01011001)2 Which one of the following gives appropriate values of w,y and z?

 w = 0,y = 1,z = 1
 w = 1,y = 1,z = 0
 w = 1,y = 1,z = 1
 w = 0,y = 0,z = 1

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