The 1's complement of a binary number is derived by changing 0s to 1s and 1s to 0s.

More Questions from Number Systems and Codes

• The largest single BCD digit has a binary value of 15.
• The Gray code has a base of eight.
• A decimal fraction can be converted to binary by using the repeated division-by-2 method.
• The BCD equivalent of 73 is 01001001.
• A byte has 8 bits.
• 1510 = 11112 = F16 = 00010101 BCD
• Digital circuitry is the foundation of digital computers and many automated control systems.
• The hexadecimal number system consists of 16 digits, 0–15.
• The primary advantage of the hexadecimal numbering system is the ease in conversion between the binary and hexadecimal systems.
• The decimal number system consists of the digits 0–10.

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