What does the "64" in "Commodore 64" mean?

More Questions:

What does the "64" in "Commodore 64" mean?

What country's population hit the one billion mark in May 2000?

In the Bible, who is the mother of the prophet Samuel?

What German city is home to a statue called "The Town Musicians"?

What American street is best known for its eight switchbacks between Hyde and Leavenworth?

What country is East Pakistan now known as?

What US state was named for the future James II of England?

In what modern-day country did the Sabines live?

What was the title of the very first James Bond film adaptation, released in 1962?

Who is Issur Danielovitch better known as?

Who had the job of eliminating maverick androids?

What movie directed by Clint Eastwood won an Oscar for "Best Picture" in 2005?

What Beatles movie features bad guys called Blue Meanies?

Who did Zola Budd trip in the 1984 Olympics?

Hamlet was the prince of which European kingdom?