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  • Question
  • 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

  • Correct Answer
  • they have the same sign 


  • Number Systems and Codes problems


    Search Results


    • 1. The ________ number system has a base of sixteen.

    • Options
    • A. Johnson
    • B. hexadecimal
    • C. binary
    • D. octal
    • Discuss
    • 2. Hex 4B5258 is ________ in ASCII code.

    • Options
    • A. FGM
    • B. KLM
    • C. KRX
    • D. JQW
    • Discuss
    • 3. ________ symbols are needed to represent all digits in hexadecimal.

    • Options
    • A. Six
    • B. Ten
    • C. Twelve
    • D. Sixteen
    • Discuss
    • 4. 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
    • 5. Decimal 42 is equivalent to binary ________.

    • Options
    • A. 01000010
    • B. 52
    • C. 2A
    • D. 101010
    • Discuss
    • 6. Hexadecimal 12 is ________in binary.

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

    • Options
    • A. BF16
    • B. FB16
    • C. 27716
    • D. 10111111
    • Discuss
    • 8. A typical CD-ROM can store ________ of digital data.

    • Options
    • A. 90 minutes
    • B. analog portions
    • C. 650 megabytes
    • D. octal bytes
    • Discuss
    • 9. Odd-parity 9E16 is ________ decimal.

    • Options
    • A. 30
    • B. 158
    • C. 78
    • D. Nothing. Parity does not check.
    • Discuss
    • 10. The column weight of the "1" in the hexadecimal number 1AB is ________.

    • Options
    • A. 64
    • B. 256
    • C. 512
    • D. 1024
    • Discuss


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