CS 154 Computer Architecture

CS 154 Computer Architecture

Spring Term 2018
Department of Computer Science
University of California Santa Barbara

Course Information

  • Instructor: Professor Koç         → Koç is pronounced as "Coach"  

  • Class Schedule : Monday, Wednesday 12:30-1:45pm
  • Classroom: Broida 1640
  • Koç's Office Hours: Wednesdays 3:00-5:00pm   Office: HFH 1119

  • Teaching Assistants:
    William Eiers (weiers@cs.ucsb.edu)
    Shannon Wang (shuyang@cs.ucsb.edu)
    Pushkar Shukla (pushkarshukla@umail.ucsb.edu)

  • Lab: Phelps 3525
  • Lab Schedule and TAs:
    Thursday 3:00pm-3:50pm (all TAs attend)
    Thursday 4:00pm-4:50pm (all TAs attend)
    Thursday 5:00pm-5:50pm (all TAs attend)

  • Teaching Assistant Office: Trailer 936 Room 104
  • Teaching Assistants' Office Hours:
    Shannon: Monday 2:30-4:30pm
    William: Wednesday 3:30-5:30pm
    Pushkar: Thursday 10:00-11:00am

  • Course material is in the folder docx.  
  • Join Piazza page for cs154-related discussions.  
  • Check the class web site and the Piazza page once a day.

  • The grades: cs154.htm   (The Code is your PERM number mod 98773)

Midterm and Final Exam Dates

The Midterm Exam will be in class at 12:30-1:45pm on Wednesday, May 9  
The Final Exam will be in class at 12:00-3:00pm on Tuesday, June 12  

Homework Assignments

We will have 5 Homework Assignments.
The HW Assignments are due Fridays at 12pm on (generally) even weeks.  
The paper copy of the homework assignments are to be delivered to the "cs154 - Koç" homework box in the CS Mail Room (HFH 2108). An electronic copy (Text, MS Word or PDF) can be submitted via the Dropbox link (see below). You could also scan/pdf your handwritten work; however, do not submit (low-resolution or small) phone-camera images. No late homework is accepted.
  • Homework Assignment 01:   hw01.html - due April 13 Friday 12pm
  • Homework Assignment 02:   hw02.html - due April 27 Friday 12pm
  • Homework Assignment 03:   hw03.html - due May 18 Friday 12pm
  • Homework Assignment 04:   hw04.html - due June 1 Friday 5pm
  • Homework Assignment 05:   hw05.html - due June 10 Sunday 6pm

Lab Assignments

We will have 4 Labs.
The Lab Reports are due Fridays at 12pm on (generally) odd weeks  
The paper copy of the ab reportsmework assignments are to be delivered to the "cs154 - Koç" homework box in the CS Mail Room (HFH 2108). An electronic copy (Text, MS Word or PDF) can be submitted via the Dropbox link (see below). The lab reports should be written neatly, should include the code (whenever applicable), screenshots of the simulator states, and figures. No late lab report is accepted.
  • Lab Assignment 01:   lab01.pdf - Lab days: April 12 and 19, due April 20 Friday 12pm
  • Lab Assignment 02:   lab02.pdf - Lab days: April 26 and May 3, due May 4 Friday 12pm
  • Lab Assignment 03:   lab03.pdf - Lab days: May 10, 17, 24, due May 25 Friday 12pm
  • Lab Assignment 04:   lab04.pdf - Lab days: May 31 and June 7, due June 10 Sunday 6pm

Weekly Course Plan

We will cover Chapters 1-5 of the Textbook.
The weekly plan is as follows:
  • Week01: Chapter 1, Sections 1-6 (Computer Abstractions and Technology)
  • Week02: Chapter 1, Sections 7-12

  • Week03: Chapter 2, Sections 1-13 (Instructions: Language of the Computer)
  • Week04: Chapter 2, Sections 14-21
  • Week05: Chapter 3, Sections 1-4 (Arithmetic for Computers)
  • Week06: Chapter 3, Sections 5-11
  • Week07: Chapter 4, Sections 1-8 (The Processor)
  • Week08: Chapter 4, Sections 9-16
  • Week09: Chapter 5, Sections 1-7 (Large and Fast: Exploiting Memory Hierarchy)
  • Week10: Chapter 4, Sections 8-17


  • D. A. Patterson and J. L. Hennessy. Computer Organization and Design, 5th Edition, Morgan Kaufmann/Elsevier, 2014. Google Books Site
  • Book Companion Materials
  • Additional course material is in the folder docx.

Grading Rules

  • Lab Assignments: 25 %
  • Homework Assignments: 25 %
  • Midterm: 20 %
  • Final: 30 %

Catalog Specification

Introduction to the architecture of computer systems. Topics include: central processing units, memory systems, channels and controllers, peripheral devices, interrupt systems, software versus hardware tradeoffs.

Prerequisite Rules

Prerequisite: Computer Science 32 and Computer Science 64
Not open for credit to students who have received credit for ECE 154, ECE 154A or ECE 154B

Academic Integrity at UCSB  

Dr. Çetin Kaya Koç