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Digital Electronics

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

 BCD code
 XS-3 code
 binary code
 Gray code

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Digital Electronics
What is the minimum number of NAND gates required to realize an X-OR gate?

 5
 4
 6
 3

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 3 × 4
 8 × 4
 3 × 8
 8 × 8

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When all inputs are HIGH
 When any input is HIGH
 When all input is LOW
 When any input is LOW

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Digital Electronics
A bubbled OR gate is equivalent to a

 X-OR gate
 AND gate
 NAND gate
 NOR gate

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

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

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