It's grad exam time... COMPUTER SCIENCE Inside your desk you'll find a listing of the DEC/VMS operating system in IBM 1710 machine code. Show what changes are necessary to convert this code into a UNIX Berkeley 7 operating system. Prove that these fixes are bug free and run correctly. You should gain at least 150% efficiency in the new system. (You should take no more than 10 minutes on this question.) MATHEMATICS If X equals PI times R^2, construct a formula showing how long it would take a fire ant to drill a hole through a dill pickle, if the length-girth ratio of the ant to the pickle were 98.17:1. GENERAL KNOWLEDGE Describe the Universe. Give three examples.