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Inst Tools > Blog > Digital Electronics MCQ > Digital Electronics Objective Questions – Set 9

Digital Electronics Objective Questions – Set 9

Practice Online Digital Electronics Test and check your score before you appear for your next written test.

Last updated: November 3, 2020 3:08 pm
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Digital Electronics MCQ
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Practice Online Digital Electronics Test and check your score before you appear for your next written test.

Digital Electronics MCQ Online Test

Digital Electronics Objective Questions

1. The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either

A) a NOR or an X-NOR
B) a NAND or an X-OR
C) an OR or an X-NOR
D) an AND or an X-OR

2. For checking the parity of a digital word, it is preferable to use

A) AND gates
B) NOR gates
C) NAND gates
D) X-OR gates

3. A gate is enabled when its enable input is at logic 1. The gate is

A) NAND
B) NOR
C) none of the answers
D) OR

4. The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either

A) an OR or a NAND
B) an X-OR or an X-NOR
C) an AND or an X-NOR
D) a NAND or a NOR

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

A) NOR
B) X-NOR
C) X-OR
D) NAND

6. A bubbled NOR gate is equivalent to a

A) AND gate
B) X-OR gate
C) NOR gate
D) NAND gate

7. The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

A) NOR
B) AND
C) OR
D) NAND

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

A) NAND
B) NOR
C) OR
D) X-OR

9. Which of the following gates cannot be used as an inverter?

A) AND
B) NAND
C) X-NOR
D) NOR

10. A gate is disabled when its disable input is at logic 0. The gate is

A) AND
B) none of the answers
C) OR
D) NOR

Click on the below button to launch the Quiz.

All 30 questions and answers are available in the Quiz.

Instrumentation Quiz

Share your answers with us through the below comments section.

Take All Tests :

  • Digital Electronics Quiz – Set 1
  • Digital Electronics Quiz – Set 2
  • Digital Electronics Quiz – Set 3
  • Digital Electronics Quiz – Set 4
  • Digital Electronics Quiz – Set 5
  • Digital Electronics Quiz – Set 6
  • Digital Electronics Quiz – Set 7
  • Digital Electronics Quiz – Set 8
  • Digital Electronics Quiz – Set 9
  • Digital Electronics Quiz – Set 10
  • Digital Electronics Quiz – Set 11
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1 Comment
  • Aishwarya Parasram Atkari says:
    April 17, 2020 at 2:31 pm

    Tough questions

    Reply

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