CSCI
Google AI Tools
Colorstack
University of Minnesota
Riddles
100

This data type has only two possible values, True and False, and is named after mathematician George Boole.

What is a Boolean?

100

Typing a search and seeing a written summary at the very top of the results page is Google Search's feature called this.

What are AI Overviews?

100

This is the year Colorstack was founded.

What is 2020?

100

The school's mascot is this furry, maroon-and-gold animal named Goldy.

What is a gopher?

100

I'm tall when I'm young and short when I'm old.

What is a candle?

200

The HTTP status code 404 means the server couldn't find this

What is the requested page or resource (Not Found)?

200

In February 2024, Google's chatbot Bard was renamed to this.

What is Gemini?

200

This is the Colorstack mission statement.

What is to increase the number of Black and Latinx Computer Science graduates who go on to start technical careers?


200

This light rail line runs along University Avenue, connecting the U of M campus to both downtown Minneapolis and downtown St. Paul.

What is the Green Line?

200

What can you break without ever touching it?

What is a promise?

300

This notation describes how an algorithm's runtime grows with input size, as in "binary search is O(log n).

What is Big O notation?

300

Google's free, browser-based notebook tool, popular in data science classes, lets you run Python with free GPU access.

What is Google Colab?

300

How much does it cost to be a Colorstack national member?

What is free?

300

This classic Minnesota battle cry, shouted at Gopher games, sounds like a nonsense phrase but dates back to the 1880s.

What is "Ski-U-Mah!"?

300

What has hands, but can’t clap?

What is a clock?

400

This sorting algorithm picks a "pivot" element and partitions the rest around it.

What is Quick Sort?

400

A student with 10 lecture PDFs and a midterm tomorrow could use this Google AI tool to generate a quiz, flashcards, or a study guide.

What is NotebookLLM?

400

This annual conference connects Colorstack members nationally in San Francisco.

What is Stacked Up Summit?

400

This anonymous, location-based app, took off on college campuses by letting students post and vote on local gossip.

What is Yik Yak?

400

A woman has 4 daughters, and each daughter has 1 brother. How many children does the woman have?

What is 5 children?

500

Dijkstra's algorithm finds this in a weighted graph.

What is the shortest path?

500

Google's AI image tool whose name is a nickname for Gemini's image model went viral in 2025 for turning photos into figurines.

What is Nano Banana?

500

The app where ColorStack members chat, share internship leads, and celebrate wins in channels is this.

What is Slack?

500

This is the best student group on campus.

What is Colorstack?

500

I have keys but open no locks, I have space but no room, and you can enter but never leave.

What is a keyboard?

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