MCQ quiz on digital electronics multiple choice questions and answers on digital electronics objective question and answer to prepare for technical entrance test and competitive exams. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject.

Digital Electronics MCQ Questions and Answers Quiz

1. What are the symbols used to represent digits in the binary number system?

  1. 0,1
  2. 0,1,2
  3. 0 through 8
  4. 1,2

2. The sum of 11101 + 10111 equals ________.

  1. 110011
  2. 110100
  3. 100001
  4. 100100

3. A binary number's value changes most drastically when the ________ is changed.

  1. Frequency
  2. LSB
  3. MSB
  4. Duty cycle

4. The binary number 111 is equal to the decimal number ________.

  1. 2
  2. 5
  3. 7
  4. 12

5. Hexadecimal letters A through F are used for decimal equivalent values from:

  1. 1 through 6
  2. 10 through 15
  3. 9 through 14
  4. 11 through 17

6. Digital electronics is based on the ________ numbering system.

  1. Decimal
  2. Binary
  3. Octal
  4. Hexadecimal

7. The 1's complement of 10011101 is ________.

  1. 1100010
  2. 10011110
  3. 1100001
  4. 1100011

8. When using the repeated division by 2 method of converting from decimal to binary, one must write the first remainder as the:

  1. MSB, provided the following sequence of remainders are written in descending order until the final remainder is achieved.
  2. LSB
  3. LSB, provided the final remainder is used to replace the original LSB, which is then moved to the MSB position.
  4. MSB

9. The decimal value for E

  1. 12
  2. 10
  3. 14
  4. 12

10. Solve this binary problem: 01110010 – 01001000

  1. 11010
  2. 101010
  3. 1110010
  4. 111100
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