COM1100 -- Winter2000 -- Yuhong Yin
6
Binary number expression
nA binary number can thus be expressed as:
ndn * 2 n + dn-1 * 2 n-1 + …+ d1 * 21 + d0 * 2 0
nwhere, dj is
one of the two binary digits 0 ~ 1
2i is the power of 2 of
each digit dj that defines its positional
significance, or simply the power of that digit.
nWe will use (110011)2 to represent a binary number.
nLeast significant bit (LSB, the right-most bit)
nMost significant bit (MSB, the left-most bit)