problemset4solutions

# problemset4solutions - Department of Electrical and...

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Department of Electrical and Computer Engineering The University of Texas at Austin EE 306, Fall 2006 Problem Set 4 Solutions Due: Monday October 30th, before class Instructor: Yale N. Patt TAs: Aseem Bathla, Cameron Davison, Lisa de la Fuente, Phillip Duran, Jose Joao, Jasveen Kaur, Rustam Miftakhutdinov, Veynu Narasiman, Nady Obeid, Poorna Samanta. Instructions You are encouraged to work on the problem set in groups and turn in one problem set for the entire group. Remember to put all your names on the solution sheet. Also remember to put the name of the TA in whose discussion section you would like the problem set turned back to you. Questions 1. (6 pts, 2 pts each) If a computer has a 16-bit MAR and a 32-bit MDR: a. How many memory locations are available in the memory of this computer? 2^16 = 65,536 locations b. How many bits are stored at each of those locations? 32 bits c. What is the total size of the memory (in Bytes)? 32 * 65,536 = 2,097,152 bits, so 2,097,152/8 = 262144 Bytes 2. (Prob 5.5) (8 pts, 2 pts each) a. What is an addressing mode? Addressing mode: mechanism for specifying where an operand is located. b. Name three places an instruction's operands might be located.

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