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  • Question
  • ________ symbols are needed to represent all digits in hexadecimal.


  • Options
  • A. Six
  • B. Ten
  • C. Twelve
  • D. Sixteen

  • Correct Answer
  • Sixteen 


  • Number Systems and Codes problems


    Search Results


    • 1. The decimal number ?128 is represented in the signed 2's complement system as ________.

    • Options
    • A. 1111 1110
    • B. 0111 1111
    • C. 1000 0000
    • D. 1111 1111
    • Discuss
    • 2. Decimal 42 is equivalent to binary ________.

    • Options
    • A. 01000010
    • B. 52
    • C. 2A
    • D. 101010
    • Discuss
    • 3. Whenever information is transmitted from one device to another, there is a possibility that ________.

    • Options
    • A. one device is off
    • B. errors will occur
    • C. there is a full moon
    • D. the data will be received as transmitted
    • Discuss
    • 4. The two digits in the binary number system are ___ and ___.

    • Options
    • A. 1, 2
    • B. H, L
    • C. T, F
    • D. 0, 1
    • Discuss
    • 5. Decimal 37 is ________ in binary with an even parity bit.

    • Options
    • A. 00100101
    • B. 10100101
    • C. 11000100
    • D. 01001011
    • Discuss
    • 6. Hex 4B5258 is ________ in ASCII code.

    • Options
    • A. FGM
    • B. KLM
    • C. KRX
    • D. JQW
    • Discuss
    • 7. The ________ number system has a base of sixteen.

    • Options
    • A. Johnson
    • B. hexadecimal
    • C. binary
    • D. octal
    • Discuss
    • 8. Overflow can occur if two signed numbers are added and ________.

    • Options
    • A. they have opposite signs
    • B. they have the same sign
    • C. both of the above
    • D. none of the above
    • Discuss
    • 9. Hexadecimal 12 is ________in binary.

    • Options
    • A. 00010111
    • B. 00010100
    • C. 00010010
    • D. 00100001
    • Discuss
    • 10. Binary 10111111 is ________ in hexadecimal.

    • Options
    • A. BF16
    • B. FB16
    • C. 27716
    • D. 10111111
    • Discuss


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