Misc: How many lines has a British TV transmission?

Questions

what contains as much caffeine as eighteen ounces of an average cola drink?

a male cat is referred to as a "tom". what is a female cat?

name the only flexible murder weapon in the game "clue"?

what was the name of the warner bros. animated cartoon in which bugs bunny made his 27th july 1940 debut?

what was invented over 3,000 years ago that is now considered the first 'computer'?