Misc: What are 'carcinogens' liable to cause?

Questions

Who coined the phrase Global village in 1962?

QVC, launched in the UK in 1993 by BskyB, what does it stand for?

How is 21 written in binary numbers?

What is the popular name for a small wafer of semiconductor material which forms the base for an integrated circuit?

What was the name of the educational computer toy with speech synthesiser produced by Texas Instruments in 1978 for teaching spelling?