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Digital Electronics

Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 AND
 X-OR
 NOT
 OR

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Digital Electronics
A NAND gate is called a universal logic element because

It is used by everybody
Any logic function can be realized by NAND gates alone
All the minization techniques are applicable for optimum NAND gate realization
Many digital computers use NAND gates.

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Digital Electronics
The code used for labeling the cells of a K-map is

 gray
 octal
 8-4-2-1 binary
 hexadecimal

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Digital Electronics
The binary number designations of the rows and columns of the K-map are in

 BCD code
 binary code
 XS-3 code
 Gray code

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Digital Electronics
The 2s complement of 17 is

 101110.
 110001.
  101111.
 111110.

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 1, C = 1
 A = 1, B = 0, C = 1
 A = 1, B = 1, C = 0
 A = 0, B = 0, C = 0

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