CS 2000 - Fall 2025.

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Welcome to CS 2000! 11/10/2025

Video of the Day

Socratica Python videos:

Logical problem of the day

What language uses digits to represent letters?

https://pollev.com/slade You may also download the app to your phone. Use the "slade" poll id.

Canvas Quiz of the Day (need daily password)

Most days, there will be a simple canvas quiz related to the lecture. You need a password to activate the quiz, which I will provide in class. These quizzes will count toward your class participation grade. The quiz is available only during class. Note: each quiz is now worth 5 points.

Click for today's quiz.

Lecture 20: SQL.

Administrivia

  • Final exam date has been announced: Monday, December 15th at 9am. RTBA.

  • I have office hours Wednesdays from 4-6 pm, on Zoom, ID 459 434 2854.

  • I will be available for lunch on Mondays at 1 pm in Morse.

  • ULA office hours are found at Ed Discussions on Canvas.

  • CS Peer Advisers. Fall 2025 Peer Advisors Office Hours Schedule.

  • Homework assignments: [Assignments]. hw6 is now available.

    Announcements

  • Yale Information Society Project See this week's events.

  • Office of Career Services STEMConnect Pop Up advising Fall schedule. Drop in to one and have your resume reviewed, hear advice about finding internships, and learn more about how to get connected to alumni for networking opportunities.

    Midterm Exam II: Thursday November 13th, 7pm, DL 220

    The second midterm will be similar to the first. You will have 2 hours. Here is a sample midterm exam. (solutions) There will also be questions on data structures and OOP. (Maybe the same question).

    There will be a UNIX question, as in the first midterm. Here is a sample UNIX transcript (solutions) UNIX will cover through principle 4.

    More UNIX practice: UNIXPart3.redacted" UNIXPart3.answers" (See 11/03 recorded lecture for discussion). UNIXPart4.redacted" UNIXPart4.answers" (See 11/05 recorded lecture for discussion).

    old review slides

    Sophia held a review session Friday, November 7 from 1 to 3pm. WLH 207.

    Databases and SQL

    SQL notebook

    Getting to know UNIX

    UNIX Introduction Principle 5.
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