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Welcome To CS15!. Welcome to the Salomon 101! ●We encourage you to download the PowerPoint before lecture and bring your laptop – let’s you see clearly.

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Presentation on theme: "Welcome To CS15!. Welcome to the Salomon 101! ●We encourage you to download the PowerPoint before lecture and bring your laptop – let’s you see clearly."— Presentation transcript:

1 Welcome To CS15!

2 Welcome to the Salomon 101! ●We encourage you to download the PowerPoint before lecture and bring your laptop – let’s you see clearly and annotate ●We use our own A/V equipment to record and give you web access to lectures (PowerPoint and associated audio track - can go to any slide) o review o in case you have to miss a lecture

3 Our Hardware ●The Lab: 75 high-end PCs o Intel Quad Core (2.4 GHz) CPUs with 4GB RAM o nVidia GeForce 7300 GT 256MB Video Cards o dual & wide screen Monitor Configurations ●File Servers ○Terabytes of disk space for your programs ●And you can work from your dorm room on your own computer ○this will be set up during first lab. Be sure to bring your laptop

4 CS15 is All That ●Teaches Object-Oriented Programming (OOP) o most common current programming methodology o Brown was earliest to switch to Java for intro courses more than a decade ago o AP courses teach Java as well ●Teaches fundamental problem solving skills useful in all disciplines ●Provides introduction to computer science concepts ●Is intense, but fun, especially with interactive graphics ●CS15 Who is it for? o students with varying levels of programming experience, including NONE! o prospective CS concentrators, who will go on to CS16 o anyone who wants an in-depth introduction to modern programming in one semester

5 ●Java o supports interactive OOP o syntax similar to C++ but simpler, cleaner, and more beginner-friendly  Java does a lot more bookkeeping and resource management for you o it allows platform-independence: write once, run everywhere (in principle) o It is one of the most prevalent languages in industry today, e.g., Android, web servers (others include C, C++, Python, Ruby, etc.) o note: it is not the same as JavaScript, a less purely object-oriented language used commonly in web applications Why Java

6 ●CS17 (fall semester) - Amy Greenwald o Multiple programming paradigms  functional programming is unique to the 17/18 sequence o Multiple programming languages  Racket, OCaml, Java, Scala o Racket as a first programming language  simple and clear syntax and semantics o Mastery, not mystery → no magic o Focus on problem-solving skills/strategies o Integrate programming with analysis of algorithms o Multiple application areas (AI, databases, etc.) o Pair programming Alternative to CS15 For Concentrators & Non-concentrators:

7 Alternative to CS15 ●CS19 (fall semester) - Shriram Krishnamurthi o starts off combined with CS17 o students who wish to take CS19 must complete additional course material while enrolled in CS17 and must gain instructor permission before being allowed to enroll in CS19 o enrollment in this course will occur approximately one month into the semester o for people who do very well in the first month of CS17 o use Pyret, a descendent of Racket o students still must learn Java before enrolling in CS32, either through self- study or CS18 o For more information: For Concentrators & Non-concentrators:

8 Alternative to CS15 ●CS15/16, CS17/18, & CS19 fill concentration requirements. ●All qualify you to take upper level courses. ●Higher course number does not mean higher difficulty For Concentrators & Non-concentrators:

9 ●CS2: The Digital World (Fall semester) - Donald L. Stanford o introduction to computing; little emphasis on programming o discusses computing topics such as artificial intelligence, IT security, and digital media o a small introduction to HTML, Photoshop, Access, and python Alternatives to CS15, 17/18 ●CS4: Introduction to Scientific Computing and Problem Solving (spring semester) - Daniel F. Potter o use MatLab and some Python o teaches techniques to solve scientific problems using computers For Non-concentrators:

10 Alternatives to CS15, CS17/18 ●CS8: A First Byte of Computer Science (Spring semester) – Michael Littman o Introduction to the academic discipline of computer science o covers computation, some theoretical computer science, AI, and more o does not teach or require advanced programming skills For Non-concentrators: ●CS931: Introduction to Computation for the Humanities and Social Sciences (Fall semester) - John F. Hughes o specifically developed for humanities/social sciences concentrators o investigate real-world problems from news, current research, books like Freakonomics o covers data-gathering, analysis, algorithms, scripting, and more.

11 ●No quizzes or exams! o no “grading on a curve”, thus A is the most common grade o No time pressure Course Mechanics ●10 Assignments o 7 programming assignments, some of which have a design component o from 30-minute homeworks to Tetris and beyond! o choose from a selection of final projects, or create your own indy project o all programs must meet a baseline level of functionality to receive credit, lots of room for “bells and whistles” for fun and extra credit

12 ●Keys to success o start early, work steadily, don’t fall behind o you can’t cram, unlike most other courses o exponential growth of program size throughout the semester Course Mechanics ●TA Hours o 34 TAs and 3 Head TAs o around 150 TA hours of personalized help per week!!!  more than in any other course!  we strongly encourage you all to go to hours and get to know the TAs - it is integral to the course (and NOT an admission of failure!)

13 Course Mechanics CS15 thrives on your feedback Questions highly encouraged during lecture We provide a lot of written material; YOU are responsible for digesting all of it

14 Major Changes This Year (led by TA’s) Lectures for first part of course restructured to present material less abstractly New written assignments Start using Eclipse (Interactive Development Environment) at the beginning Sam Squires

15 Major Changes This Year (led by TA’s) New first project, potentially a new Final Project 5 new labs Data Structure/Algorithms section restructured to focus on problem solving David Correa

16 Collaboration ●Brown’s Academic Code o “Academic achievement is evaluated on the basis of work that a student produces independently. A student who obtains credit for work, words, or ideas that are not the products of his or her own effort is dishonest and in violation of Brown’s Academic Code. Such dishonesty undermines the integrity of academic standards of the University. Infringement of the Academic Code entails penalties ranging from reprimand to suspension, dismissal, or expulsion from the University.”

17 Collaboration ●CS15 philosophy on collaboration o our experience is that beginning students learn best when solving problems on their own, with adequate help from experienced TAs  other intro courses (like CS 17 and 19) encourage collaboration; advanced courses also have a more lenient policy o CS15 grade entirely based on programs & homeworks, all your own work o only collaboration on program design that is properly documented is allowed, in the second half of the semester (we’ll tell you when) o zero tolerance for unacceptable forms of collaboration o collaboration policy and first homework clearly outline what’s acceptable

18 Collaboration ●MOSS (Measure of Software Similarity) o Stanford-hosted AI software used to detect plagiarism - it signals undue similarity and we hand-check the code o used across industries in multi-million dollar lawsuits to protect intellectual property o every year, MOSS finds multiple collaboration violations o punishments typically directed NC, parental notification o in short: MOSS is very good at what it does - don’t even think of trying to outwit it! (which is more work than doing the assignment!) If ever in doubt about what is allowed, ask a TA!

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