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Home ‣ Digital Electronics ‣ Number Systems and Codes Comments
  • Question

  • Digital systems operate only on discrete digits that represent numbers, letters, or symbols.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Number Systems and Codes problems

    Search Results

    • 1. A positive binary number is represented by a 1 sign bit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. A microcontroller is called a computer on a chip.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. The ADC 0804 is an analog-to-digital converter that provides 8-bit output resolution that can be directly interfaced to a microcontroller.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. A Celsius thermometer is an application for the 8051 microcontroller.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. Analog output current must be converted into a usable voltage. To perform this current-to-voltage conversion a 700 op amp may be used.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Manufacturers of computers utilize 3-bit codes to indicate operations or instructions.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. A parity bit is used to detect an error in data transmission caused by noise.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The ASCII code is a special code that represents all alphanumeric data.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Adding an odd-parity bit to ASCII hex code 2B results in 10101011.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The binary number system is fundamental to all digital computers.

    • Options
    • A. True
    • B. False
      • Discuss

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