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

  • The octal numbering system:


  • Options
  • A. simplifies tasks
  • B. groups binary numbers in groups of 4
  • C. saves time
  • D. simplifies tasks and saves time

  • Correct Answer
  • simplifies tasks and saves time 

    • Number Systems and Codes problems

    Search Results

    • 1. How many BCD code bits and how many straight binary bits would be required to represent the decimal number 643?

    • Options
    • A. 12 BCD, 12 binary
    • B. 12 BCD, 10 binary
    • C. 12 BCD, 9 binary
    • D. 16 BCD, 9 binary
      • Discuss
    • 2. Convert the following octal number to decimal.
      178

    • Options
    • A. 51
    • B. 82
    • C. 57
    • D. 15
      • Discuss
    • 3. Convert the binary number 1100 to Gray code.

    • Options
    • A. 0011
    • B. 1010
    • C. 1100
    • D. 1001
      • Discuss
    • 4. What is the difference between binary coding and binary-coded decimal?

    • Options
    • A. BCD is pure binary.
    • B. Binary coding has a decimal format.
    • C. BCD has no decimal format.
    • D. Binary coding is pure binary.
      • Discuss
    • 5. Which of the following is an invalid BCD code?

    • Options
    • A. 0011
    • B. 1101
    • C. 0101
    • D. 1001
      • Discuss
    • 6. Convert 11001010001101012 to hexadecimal.

    • Options
    • A. 121035
    • B. CA35
    • C. 53AC1
    • D. 530121
      • Discuss
    • 7. Convert the binary number 1001.00102 to decimal.

    • Options
    • A. 90.125
    • B. 9.125
    • C. 125
    • D. 12.5
      • Discuss
    • 8. Hexadecimal letters A through F are used for decimal equivalent values from:

    • Options
    • A. 1 through 6
    • B. 9 through 14
    • C. 10 through 15
    • D. 11 through 17
      • Discuss
    • 9. Convert the following binary number to octal.
      0011010112

    • Options
    • A. 1538
    • B. 3518
    • C. 2538
    • D. 3528
      • Discuss
    • 10. Which is typically the longest: bit, byte, nibble, word?

    • Options
    • A. Bit
    • B. Byte
    • C. Nibble
    • D. Word
      • Discuss

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