Sports In "Route 101" was the ABC PGA Golf theme for years: played by this trumpeter.?

Questions

Trivia : How is the chess term "shah mat" better known?

Trivia : How is the mathematically related structure of beads strung on parallel wires in a rectangular frame better known?

Trivia : How is the stockmarket collapse of the 24th October 1929 better known?

Trivia : How many bits are in a nibble?

Trivia : How many countries have a population over 130 million ?