Number Systems and Codes Questions and Answers

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Showing 10 of 146 questions
Q131
A parity bit is used to detect an error in data transmission caused by noise.
  • A TRUE
  • B FALSE
Answer: Option A
Q132
Most computers store binary data in groups of 32 bits called Dwords.
  • A TRUE
  • B FALSE
Answer: Option B
Q133
The word size is defined as the number of bits in the binary word that a digital system operates on.
  • A TRUE
  • B FALSE
Answer: Option A
Q134
The hexadecimal number system consists of 16 digits, 0–15.
  • A TRUE
  • B FALSE
Answer: Option B
Q135
The 1's complement of a binary number is derived by changing 0s to 1s and 1s to 0s.
  • A TRUE
  • B FALSE
Answer: Option A
Q136
A binary number with four digits has a maximum value of 15.
  • A TRUE
  • B FALSE
Answer: Option A
Q137
The 2's complement of a binary number is derived by adding 1 to the 1's complement.
  • A TRUE
  • B FALSE
Answer: Option A
Q138
A positive binary number is represented by a 1 sign bit.
  • A TRUE
  • B FALSE
Answer: Option B
Q139
The ASCII code is a special code that represents all alphanumeric data.
  • A TRUE
  • B FALSE
Answer: Option A
Q140
Many digital electronic systems work in hexadecimal instead of binary.
  • A TRUE
  • B FALSE
Answer: Option B

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