useless trivia: What Word Means: A City In China?

Questions

Computers - what year was the first IBM pc introduced?

Computers - when software stops responding & your computer freezes, what has happened to your computer?

Computers - which drive is mostly the "main drive" on a pc computer?

Condition existing at the free surface of a liquid, resembling the properties of an elastic skin under tension?

Condition in which body temperature falls drastically as a result of exposure to cold?