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.
Barack Obama is the 44th President of the United States and the first African-American to ever hold the office. Although Obama was only 48 years old when he assumed the office of president, he has a relatively long history of public service both in the Illinois State Senate and in Congress as an Illinois senator. The Barack Obama family tree includes an African-American father from Kenya and a Caucasian mother from Kansas. His parents separated when Obama was just two years old, and Obama only recalls seeing his father only once in Hawaii in 1971. His father died in an automobile accident in 1982.