COM1100 -- Winter2000 -- Yuhong Yin
5
Binary
number system
nIn the binary number system the base is 2.
nThere are only two symbols, 0 and 1, called binary digits or bits in
short.
nIts lowest digit is 0 and its highest digit is 1 which is one less than the
base of 2.
Why we use binary number
system?
Because digital computer can only understand two state off and on which represent two values zero and one.