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<title> | tait.tech</title>
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<div id="wrapper">
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<aside>Hello everyone!</aside>
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<h1 id="welcome-to-cmpt-295">Welcome to CMPT 295</h1>
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<h2 id="introduction-to-computer-systems">Introduction to Computer Systems</h2>
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<p>My name is Anne Lavergne</p>
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<p>Lecture 1 – Course Overview + Activity</p>
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<aside>How does it feel to be back on campus?</aside>
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<h2 id="todays-menu-1">Today’s Menu [1]</h2>
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<ul>
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<li>COVID Protocol</li>
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<li>What is CMPT 295?
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<ul>
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<li>What shall we learn in CMPT 295?</li>
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<li>What should we already know?</li>
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<li>Which resources do we have to help us learn all this?</li>
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</ul>
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</li>
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<li>Activity</li>
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<li>Questions</li>
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</ul>
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<h2 id="covid-protocol--about-masks-2">COVID protocol – About masks! [2]</h2>
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<p>Here is a message from Elizabeth Elle, SFU Vice Provost Learning & Teaching, based on the public health order:</p>
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<ul>
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<li>Unless we have an approved exemption, we are required to wear a mask in all indoor common and learning spaces, including classrooms. Please come to campus prepared with a non-medical mask.
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<ul>
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<li>If we forget our mask, disposable masks are available from Student Central in Burnaby and at the information desks in Vancouver and Surrey.</li>
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<li>If we require a mask exemption in the classroom for medical reasons, please contact the Centre for Accessible Learning at cal_admin@sfu.ca for assistance.</li>
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<li>If we are requesting mask exemptions on other protected grounds, such as religion, we can contact the Office of Student Support, Rights and Responsibilities at student_support@sfu.ca.</li>
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</ul>
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</li>
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<li>And please remember to be kind to each other. If we see someone not wearing a mask, do not make assumptions or judgments as that person may be exempt.</li>
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</ul>
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<h2 id="what-is-cmpt-295-3">What is CMPT 295? [3]</h2>
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<ul>
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<li>The goal of this course is to give us, software developers, a look “under the hood” of a computer, i.e., to learn about Computer Systems => microprocessor, memory, … <img src="" alt="a car with its hood up." /></li>
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<li>This knowledge will allow us to become more efficient software developers</li>
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</ul>
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<h2 id="the-big-picture-4">The big picture: [4]</h2>
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<p>In CMPT 295, we shall learn …</p>
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<ul>
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<li>C programs (.c) – How our code and data are represented in memory</li>
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<li>Assembly programs (.s) – How a compiler transforms our code into machine executable code in several steps</li>
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<li>Object (.o) file an executable – How a compiler optimizes (or not) our code</li>
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<li>Computer executes it – How a microprocessor is designed and how it executes our code</li>
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<li>CPU, Memory – How memory is designed</li>
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</ul>
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<p>How all of this can impact the execution of our code How to write more efficient and reliable code:</p>
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<ul>
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<li>Be able to find and eliminate bugs
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more efficiently</li>
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<li>Be able to ascertain program performance and tune it by optimizing our code</li>
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</ul>
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<h2 id="what-should-we-already-know-5">What should we already know? [5]</h2>
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<ul>
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<li>Write correct C programs
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<ul>
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<li>C constructs (variables, data types, pointers, if/else, switch/case, for/while/do while, function calls, arrays, …)</li>
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</ul>
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</li>
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<li>What a stack is and how it works</li>
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<li>Binary/decimal/hexadecimal numeral systems
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<ul>
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<li>How to convert from one numeral system to the others</li>
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<li>Basic arithmetic</li>
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</ul>
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</li>
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<li>Perform Boolean algebra using and, or, not, xor</li>
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</ul>
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<h2 id="which-resources-do-we-have-6">Which resources do we have? [6]</h2>
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<ul>
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<li>Course web site
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https://www2.cs.sfu.ca/CourseCentral/295/alavergn/index.html</li>
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<li>Textbook
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<ul>
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<li>Computer Systems: A Programmer’s Perspective, 3/E, Randal E. Bryant, David R. O’Hallaron, Pearson, 2016</li>
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</ul>
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</li>
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<li>Labs in CSIL (Computing Science Instructional Lab)
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<ul>
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<li>Target Machine: CSIL workstation
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<ul>
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<li>Linux platform (or OS)</li>
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<li>C programming language</li>
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<li>x86-64 assembly language</li>
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<li>gcc compiler</li>
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</ul>
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</li>
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</ul>
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</li>
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<li>Instructor and TAs - Office hours</li>
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</ul>
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<h2 id="activity---discover-our-resources-7">Activity - Discover our resources [7]</h2>
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<p>Instructions:</p>
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<ol>
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<li>Form teams of 3 to 4</li>
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<li>Do Lecture 1 Activity on CourSys</li>
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<li>Time: about 30 minutes</li>
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</ol>
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<h2 id="question-8">Question? [8]</h2>
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<p>Blank page.</p>
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<h2 id="summary-9">Summary [9]</h2>
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<ul>
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<li>COVID Protocol</li>
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<li>What is CMPT 295?
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<ul>
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<li>What shall we learn in CMPT 295?</li>
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<li>What should we already know?</li>
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<li>Which resources do we have to help us learn all this?</li>
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</ul>
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</li>
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<li>Activity</li>
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<li>Questions</li>
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</ul>
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<h2 id="next-lecture-10">Next Lecture [10]</h2>
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<ul>
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<li>Data Representation
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<ul>
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<li>Representing information as bits</li>
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</ul>
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</li>
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<li>To get ready for our next lecture:
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<ul>
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<li>Optional: Read Chapter 1 of textbook</li>
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<li>Not so optional: Read Section 2.1 of Chapter 2</li>
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<li>Download the partial lecture notes found under the column Lecture in the table on our course web site</li>
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</ul>
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</li>
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</ul>
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