Digital Concepts Questions and Answers

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Digital Concepts are foundational to modern electronics and computer architecture, making them a key area in programming questions and answers for GATE, DRDO, and ISRO aspirants. Topics include logic gates, Boolean algebra, number systems, and logic simplification techniques. Understanding digital principles helps in designing efficient digital systems and solving logic-based problems. Practicing digital concepts MCQs and test papers enhances analytical thinking and prepares students for both academic exams and technical interviews in electronics and computer engineering domains.

Digital Concepts

Showing 10 of 93 questions

1. Any number with an exponent of zero is equal to:

  • TRUE
  • FALSE
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2. In the decimal numbering system, what is the MSD?

  • The middle digit of a stream of numbers
  • The digit to the right of the decimal point
  • The last digit on the right
  • The digit with the most weight
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3. Which of the following statements does NOT describe an advantage of digital technology?

  • The values may vary over a continuous range.
  • The circuits are less affected by noise.
  • The operation can be programmed.
  • Information storage is easy.
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4. The generic array logic (GAL) device is ________.

  • one-time programmable
  • reprogrammable
  • a CMOS device
  • reprogrammable and a CMOS device
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5. The range of voltages between VL(max) and VH(min) are ________.

  • unknown
  • unnecessary
  • unacceptable
  • between 2 V and 5 V
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6. What is a digital-to-analog converter?

  • It takes the digital information from an audio CD and converts it to a usable form.
  • It allows the use of cheaper analog techniques, which are always simpler.
  • It stores digital data on a hard drive.
  • It converts direct current to alternating current.
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7. What are the symbols used to represent digits in the binary number system?

  • 0,1
  • 0,1,2
  • 0 through 8
  • 1,2
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8. A full subtracter circuit requires ________.

  • two inputs and two outputs
  • two inputs and three outputs
  • three inputs and one output
  • three inputs and two outputs
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9. The output of an AND gate is LOW ________.

  • all the time
  • when any input is LOW
  • when any input is HIGH
  • when all inputs are HIGH
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10. Give the decimal value of binary 10010.

  • 610
  • 910
  • 1810
  • 2010
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