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Number Systems and Codes problems

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

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

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

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

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

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

  • Options
  • A. True
  • B. False
    • Discuss
  • 7. Zeros may be added to the left of the MSB to produce even groups of 4 bits when converting from binary to hexadecimal.

  • Options
  • A. True
  • B. False
    • Discuss
  • 8. The hexadecimal numbering system uses base 15.

  • Options
  • A. True
  • B. False
    • Discuss
  • 9. Most computers store binary data in groups of 32 bits called Dwords.

  • Options
  • A. True
  • B. False
    • Discuss
  • 10. Binary-coded-decimal numbers use only binary numbers between 0000 and 1001.

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

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