Number Systems Handout - MIT OpenCourseWare

represented. Table 6 summarizes the 2’s complement notation for a 4-bit number. subtraction). The one’s complement is important because it is very easy to perform the inversion operation in hardware and it forms the basis of computing the two’s Bit Pattern Number complement. 0000 0 0001 1 0010 2 0011 3 0100 4 0101 5 0110 6 0111 7 1111 -1 ... ................
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