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This site was created to share videos and practice tests related to the Computer Science Praxis. Â
Key points as you use this site:Â
Use each dropdown to expand each topic. Go in order, from top to bottom.Â
Each topic has videos, many have colabs and other ways to "play" with what you are learning, and there is at least one "Self Check" for each test topic.
Be positive and kind to yourself - you can do this; one step at a time.
Praxis Test Information
Praxis Test Information
Impacts of Computing
Impacts of Computing
Algorithms & Computational Thinking
Algorithms & Computational Thinking
Video 1: The Core Toolkit to Understand Computational Thinking
Video 2 : Math Foundations (Number System Conversions & Modular Arithmetic)
Extra (Printable) Practice after Video 2 is HERE
Video 3: Intro to Programming & List Algorithms
Colab 1: Intro to Colab & Operations
Colab 2: Intro to Lists
Video 4: Search Algorithms
Colab: Searching Algs in Action
Self Check after Video 4 is HERE
Video 5: Sorting Algorithms
Colab: Sorting Algs Workspace
Self Check after Video 5 is HERE
Video 6: Randomness, Heuristics, & Big O Notation
Colab : Synthesizing Big-O Complexities
Self Check after Video 6 is HERE
Video 7: Looping, Recursion, Stacks
Colab: Indefinite & Definite Loops
Colab: Stacks vs. Queues
Colab: Dictionaries
Colab: Intro to Function Calls
Self Check after Video 7 (Function Calls) is HERE
Self Check after Video 7 (Recursion) is HERE
Programming
Programming
Video 1: Programming Foundations & Selection Logic
Colab: Boolean Practice
Self Check after Video 1 is HERE
Video 2: Program Correctness & Error Classification
Self Check after Video 2 is HERE
Video 3: Programming Paradigms & Object-Oriented Design
Colab: Programming Paradigms
Video 4: Advanced OOP Mechanics & Event-Driven Systems
Self Check after Videos 3 & 4 is HERE
Video 5: Software Engineering, Usability, Environments
Colab: Using a Debugger
Self Check after Video 5 is HERE
Data
Data
Video 1: How is data represented in a computer?
Self Check after Video 1 is HERE
Video 2: Data Transformation
Colab: Data Visualization
Self Check after Video 2 is HERE
Video 3: Computational Tools
Computing Systems & Networks
Computing Systems & Networks
100 questions designed to simulate the Praxis Exam
100 more questions designed to simulate the Praxis Exam
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