Hello,    The computer uses the binary system because the information in a computer is actually electrical pulses (on/off) And because of that we use 0 (off) and 1 (on â¦) to make it easier for us to calculate it :)    Actually, we don't really have a choice in using the binary system.es, Binary literally means 2 digits (0 and 1) - so 10011 (base 2) is equal to 19 (base 10) (Base 10 is what people use in everyday math; Base 2 is what computers use.).
He was a member of the Illinois Senate from January 8, 1997 - November 4, 2004: seven years.
before he was president he was a united states senator from illinois before that he served three terms in the illinois state senate before that he was an adjunct professo r of law and a civil rights attorney and before that he was a community organizer and an advocate for the poorf there s good films to see i ll see it ask me anything before barack obama was elected as president in 2008 george w bush was the united states president bush was elected into office in 2000 against al gore and won a reelection in the 2004 presidential race against john kerry