Computer Architecture C952 Study Guide Questions And Correct Answers

What are two benefits of using virtual machines? {Ans: software and hardware abstraction}How is the integer 255 represented in memory? {Ans: 0000 0000 0000 0000 0000 0000 1111 1111}A system designer wants to lower the cost of communicating at a high clock rate over the network. How can this goal be accomplished? {Ans: Reduce the distance of each link}what is the binary representation of instructions? {Ans: machine language}What is the number of bits used in virtual memory with ARMv8? {Ans: 48. 64 total bits, but 16 are unused.}Registers X1, X2, X3 have corresponding data stored in each location: X1: A X2: B X3: C Which set of ARM instructions will accomplish A=B+C? {Ans: ADD X1, X2, X3}