"Under Pressure" (1981) was a hit by Queen and which other rock star?

Which company introduced its Personal Computer in 1981, running Microsoft's DOS? In which 1981 film does runner Eric Liddell say "When I run, I feel His pleasure"? In which 1981 film is a prisoner told "You go in, find the President, bring him out in 24 hours, and you're a free man"? In which 1981 sci-fi film does a former James Bond play a marshal investigating drug deaths among miners on Io? Omar Torrijos, who negotiated the 1977 canal treaties with Jimmy Carter, was leader of which country? Complete the title of the 1982 film starring Sting: "___ and Treacle". In 1982 at a Texas prison, murderer Charlie Brooks became the first U.S. prisoner to be executed by which method? Who played Rick Deckard in "Blade Runner" (1982)?