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.
Get the facts! The Facts. Palin was referring to Obama's career in the U.S. Senate. Maria Comella, Palin's spokeswoman, told CNN that from the time Obama was sworn in on January 3, 2005, to the announcement of his exploratory committee on January 16, 2007, the Senate was in session 304 days.