The number 1100101 is a

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  1. Hexa-decimal number
  2. Binary number
  3. Decimal number
  4. Octal number

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Option 2 : Binary number
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  • The number 1100101 is a binary number.
  • Binary is the most basic computer language. A binary number is a number expressed in the binary or base-2 numeral system which represents numeric values using two different symbols: typically 0 (zero) and 1 (one).
  • 1 represents an ON state while a 0 represents an OFF state. 
  • The base-2 system is a positional notation with a radix of 2. Each digit is referred to as a bit. 
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