1) What is the rank of YouTube among Iran’s most frequently visited Web sites?
-¡ 1st
-¡ 8th
-¡ 44th
2) Who is not one of the multibillionaire founders of Google, the world’s most frequently visited Web site?
-¡ Larry Page
-¡ Sergey Brin
-¡ Hubert Chang
3) How many computer bits-each of which has two possible positions, on or off-are in a byte?
-¡ 2
-¡ 8
-¡ An infinite number