Title: Computer.
Question: CPUs that are constructed on a single integrated circuit are called what?

Title: Arena Football League.
Question: In what year did Jim Foster conceive of the idea of arena football?

Title: Valencia.
Question: What Valencian festivals were declared Celebrations of International Touristic Interest?

Title: Anti-aircraft warfare.
Question:
Smaller .50 caliber and 8 millimeter guns have been used in what?