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Home Digital Electronics Number Systems and Codes Comments

  • Question
  • Convert hexadecimal C0B to binary.


  • Options
  • A. 110000001011
  • B. 110000001001
  • C. 110000001100
  • D. 110100001011

  • Correct Answer
  • 110000001011 


  • Number Systems and Codes problems


    Search Results


    • 1. One hex digit is sometimes referred to as a(n):

    • Options
    • A. byte
    • B. nibble
    • C. grouping
    • D. instruction
    • Discuss
    • 2. Convert the following binary number to octal.
      0101111002

    • Options
    • A. 1728
    • B. 2728
    • C. 1748
    • D. 2748
    • Discuss
    • 3. Convert the following binary number to decimal.
      010112

    • Options
    • A. 11
    • B. 35
    • C. 15
    • D. 10
    • Discuss
    • 4. Convert 5278 to binary.

    • Options
    • A. 011100111
    • B. 101010111
    • C. 343
    • D. 111010101
    • Discuss
    • 5. Convert the following decimal number to BCD.
      127

    • Options
    • A. 011100100001
    • B. 111010001
    • C. 001010111
    • D. 000100100111
    • Discuss
    • 6. The voltages in digital electronics are continuously variable.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. An informational signal that makes use of binary digits is considered to be:

    • Options
    • A. solid state
    • B. digital
    • C. analog
    • D. non-oscillating
    • Discuss
    • 8. The decimal number 18 is equal to the binary number ________.

    • Options
    • A. 11110
    • B. 10001
    • C. 10010
    • D. 1111000
    • Discuss
    • 9. What is the decimal value of the hexadecimal number 777?

    • Options
    • A. 191
    • B. 1911
    • C. 19
    • D. 19111
    • Discuss
    • 10. Convert the following BCD number to decimal.
      010101101001bcd

    • Options
    • A. 539
    • B. 2551
    • C. 569
    • D. 1552
    • Discuss


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