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Digital Electronics

Digital Electronics
Which of the following gates is known as a coincidence detector?

 NAND gate
 X-OR gate
 AND gate
 X-NOR gate

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

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

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Digital Electronics
What is the gray code for the binary 101011?

 111110
 101011
 011111
 110101

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 MOS ICs
 TTL ICs
 CMOS ICs
 ECL ICs

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Digital Electronics
The Quine– McClusky method of minimization of a logic expression is a (i) graphical method (ii) algebraic method (iii) tabular method (iv) a computer-oriented algorithm The correct answers are

 (i) and (ii)
 (ii) and (iv)
 (iii) and (iv)
 (i) and (iii)

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

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

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