I-simboli okanye uphawu lwe-binary number lwenziwe ngezi-bit symbols zimbini. indawo ezikuyo ezi-bit symbols zibonisa ubukhulu benani. Umzekelo, eyona nto ithethwa linani elingu-10 kwi-binary number system kukuba u-1 xa ephindwa-phindwa ka-2 kongezwe u-0, kunye no-101 uthetha ukuba u-1 xa ephindwa-phindwe kane (=4) kongezwa u-0 kuphinda-phindwe kabini (=0) kongezwe u-1 kuphinda-phindwe ka-1 (=1). I-binary number 10 iyinto enye ne-decimal number 2. I-binary number 101 iyinto enye ne-decimal number 5.