CS100 Lecture Notes - Lecture 3: Datapath
7 Apr 2015
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Due week 6, friday, october 21, 1 pm. Print these pages and write your solutions in the space provided. Staple your solutions to the assignment cover sheet from the course webpage (with the cover sheet rst) and deposit your assignment in the drop-box outside mc4065. You will receive a 0 on the assignment if you do not include the cover page: (4 points) Consider the single-cycle computer shown on page 3 of this assignment. Suppose the circuit elements take the following times: instr mem: 150ps, register read: 30ps, alu and all adders: 70ps, register write: 30ps, data memory: 150ps. Compute the minimum cycle time for each instruction type below: Branch: ps. ps. ps. ps: (6 points) In the gure on the next page, there are six darks lines. On each line, write in the value that travels along the corresponding wire(s) when executing this assembly language instruction.
