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Digital Electronics ECE Questions And Answers

Here you can find Digital Electronics ECE Questions and Answers.

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Digital Electronics ECE Questions and Answers

1. The output of a JK flipflop with asynchronous preset and clear inputs is ‘1’. The output can be changed to ‘0’ with one of the following conditions

Digital Electronics ECE Questions and Answers

2. A full adder logic circuit will have

Digital Electronics ECE Questions and Answers

3. For which of the following purpose Karnaugh map is used

Digital Electronics ECE Questions and Answers

4. Which of the following is a universal logic gate?

Digital Electronics ECE Questions and Answers

5. How many two input AND and OR gates are required

Digital Electronics ECE Questions and Answers

6. For JK flip flop with J=1, K=0, the output after clock pulse will be ________

Digital Electronics ECE Questions and Answers

7. To construct mod 30 counter __________ number of flip-flops are required

Digital Electronics ECE Questions and Answers

8. For which of the following two inputs, The NOR gate output will be low

Digital Electronics ECE Questions and Answers

9. The number 140 in octal is equivalent to

Digital Electronics ECE Questions and Answers

10. __________ is known as process of entering data into a ROM

Home EngineeringElectronics & Communication EngineeringDigital Electronics Discussion

Digital Electronics - ECE Questions and Answers :: Discussion

   Which of the following is a universal logic gate?
 
A. OR B. AND
C. XOR D. NAND

Answer & Explanation

Answer: Option D

Explanation:

A universal logic gate is one, which can be used to generate any logic function NAND can generate any logic function

To realize Y=CD+EF+G,

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