Digital Electronics-Number Systems and Codes

Digital Electronics-Number Systems and Codes
81. Convert hexadecimal C0B to binary.
  • 110000001011
  • 110000001001
  • 110000001100
  • 110100001011
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82. Convert binary 1001 to hexadecimal.
  • 916
  • 1116
  • 10116
  • 1016
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83. Convert 73116 to decimal.
  • 216.4
  • 985
  • 3D9
  • 1841
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84. What is the decimal value of the hexadecimal number 777?
  • 191
  • 1911
  • 19
  • 19111
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85. Convert 110010012 (binary) to decimal.
  • 201
  • 2001
  • 20
  • 210
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86. Convert the following decimal number to octal.
  • 638
  • 368
  • 478
  • 748
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87. The American Standard Code for Information Interchange (ASCII) uses how many individual pulses for any given character?
  • 1
  • 2
  • 7
  • 8
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88. Convert the following hexadecimal number to decimal.
B516
  • 212
  • 197
  • 165
  • 181
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89. The BCD number for decimal 16 is ________.
  • 00010110
  • 00010000
  • 00010010
  • 11100000
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90. Alphanumeric codes should include as a minimum:
  • the capacity to represent the alphabet upper- and lowercase characters and the decimal numbers in a straight binary format.
  • the capacity to code all possible decimal numbers in a direct octal representation of BCD codes.
  • the alphabet upper- and lowercase letters, the decimal digits, the seven punctuation marks, and other characters or symbols.
  • the ability to represent decimal numbers greater than 12810 in a straight binary format.
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