CS290N Extra-Performance Computer Architecture Prof. Fred Chong SQ 2006 Problem Set 4 (XOM - Bita Mazloom) Problem_1. What are the basic and external instructions of the abstract XOM machine? Problem_2. What are the three types of attacks that might cause a XOM machine to leak information? Problem_3. What types of exploits is a XOM machine not designed to protect against? Problem_4. Why did the author's of XOM decide to include the L1 anf L2 caches in the boundary of the XOM machine and what are the pros and cons of this strategy?