Digital Electronics-Number Systems and Codes

Digital Electronics-Number Systems and Codes
131. A parity bit is used to detect an error in data transmission caused by noise.
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132. Most computers store binary data in groups of 32 bits called Dwords.
  • TRUE
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133. The word size is defined as the number of bits in the binary word that a digital system operates on.
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134. The hexadecimal number system consists of 16 digits, 0–15.
  • TRUE
  • FALSE
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135. The 1's complement of a binary number is derived by changing 0s to 1s and 1s to 0s.
  • TRUE
  • FALSE
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136. A binary number with four digits has a maximum value of 15.
  • TRUE
  • FALSE
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137. The 2's complement of a binary number is derived by adding 1 to the 1's complement.
  • TRUE
  • FALSE
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138. A positive binary number is represented by a 1 sign bit.
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139. The ASCII code is a special code that represents all alphanumeric data.
  • TRUE
  • FALSE
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140. Many digital electronic systems work in hexadecimal instead of binary.
  • TRUE
  • FALSE
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Digital Electronics
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