CS 201 - Spring 2025. 3/31/2025.
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Welcome to CS 201!
Video of the Day
More spring songs:
Onions, The Mountain Goats.
Light of a Clear Blue Morning,
Dolly Parton.
I hereby solicit suggestions for the video of the day. Please email
me your ideas with explanations. Selected entries will win 5
homework points. If your video is played at the beginning of class,
you must also briefly explain something about the video and
something about yourself - in person.
Logical Problem of the day
Modern Computers will Stop Working on the 19th of January in 2038.
Why?
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.
Click for today's quiz.
Lecture 27: Midterm Review.
I have office hours Wednesdays from 4-6 pm, on zoom, id 459 434 2854.
I am available for lunch on Mondays at 1 pm in Morse.
ULA office hours are found at https://csofficehours.org/CS201/schedule. Sign up via the queue.
Homework assignments:
[Assignments]. hw6 is now
available.
Announcements
If you have an upcoming performance
or athletic event, I am happy to promote it during class. Just send
me a note.
Yale Pitchbook Mixer, Thursday April 3rd, 8:30pm - 10:30pm, HQ Room 131 (Student Lounge)
Yale Undergraduate Capital Partners (YUCP) is officially launching
YalePitchbook.com - the first platform connecting Yale startups with
investors, talent, and resources, and building a robust ecosystem of
founders, investors, operators, and startup service providers in New
Haven & beyond! The platform is backed by Yale Ventures, Yale School
of Management, and Tsai Center for Innovative Thinking at Yale (Tsai
CITY).
To celebrate the launch, YUCP and YES are hosting a launch party and
entrepreneurship mixer, sponsored by Xfund, from 8:30-10:30 pm on
Thursday, April 3, at the HQ Lounge, with free drinks and food!
Expect founders, VCs, angels, joiners, current students, alumni, and
friends of the Yale startup ecosystem all in one room - plus a chance
to explore the startups shaping the future from within Yale’s
walls. Whether you're looking to invest, collaborate, or just get
inspired, this is the event to be at.
RSVP now: https://lu.ma/5d47dx6x. Flyer attached!
Job posting.
Prof. Qingyu Chen from Yale Medical School is looking for a Yale CS
student to collaborate on a project involving large language models
(LLMs) in the medical domain. The work mainly involves instruction
tuning, so familiarity with that would be great.
Interested students can reach out to Prof. Chen directly at qingyu.chen@yale.edu.
https://www.yalehealthcare.com/21ST ANNUAL
Yale Healthcare Conference
AI²
Edward P. Evans Hall, Yale School of Management
165 Whitney Avenue, New Haven, CT 06511
Friday
APRIL 11th, 2025.
Shaping Health With Integrity and Intelligence. Submitted by Rachel Hua.
Information Society Project Yale Law School. Weekly Events
Computing and Linguistics major information session: Wednesday April 2nd, 6pm. Dow Hall Room 200.
CS 201 Video Contest
In the tradition of the
racket/beat it song we have a song for Turing Machines:
Would It Be Computable? to the
tune of "Wouldn't It be Loverly?" from My Fair Lady.
You are invited to create a music video for this song. Here are
the rules:
- The winning
submission will receive 10 homework points for each member of the team.
- Runners-up will receive 5 homework points for each member of the team.
- Each team may have up to 4 CS 201 students. Non-CS 201
students may also contribute, but they would not receive any points.
- CS 201 students may be on at most one team.
- If there are multiple submissions, we will have a vote in class
to select the winner.
- Submissions are due by midnight April 1st.
- If you are planning to submit a video, send me a note
with the members of your team.
Second song contest: The Internet Fugue.
In class on February 3rd, I introduced Toch's
Geographical Fugue
(wiki +
score) as well as my derived Internet Fugue
Here is a
sample recording of the first 32 bars by a guest
artist using GarageBand.
It took 10 minutes and it shows.
You are invited to perform the Internet Fugue either on video, or (preferably) live in class. The rules and rewards are the same as above.
Midterm Exam II: Tuesday April 1st, 7pm
Midterm: Tuesday April 1st, 2 hours, Davies Auditorium.
The accessibility exam room will be Becton C031.
Here is a practice exam.
(solutions to practice exam)
Ignore problems 3, 4, 5(a), and 5(e). TC-201 is not in scope for this exam. However, tail recursion is.
There will be a UNIX question, as in the first midterm. sample UNIX transcript
(solutions)
Review session: Saturday March 29th, 3pm. Room A60, Watson Center, 60 Sachem Street.
Review slides (pdf).
Review slides (powerpoint)
As before, I recommend using Yale's
Clarity and Google experimental tutor
as sources for review questions.
The boolean function questions from the first practice midterm are good preparation as well.
Lecture: Computer Architecture.
Magnetic Core memory
Interview-bypassing AI tool lands student developer in hot water.
Architecture.html (jupyter)
Getting to know UNIX
UNIX
Introduction Principle 4.
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