💻

Overview of CS50 Computer Science Course

Sep 28, 2024

CS50 Course Overview

Introduction

  • Instructor: David Malan
  • Course: CS50 - Harvard University's introduction to computer science and programming
  • Goal: For beginners in coding

Week-by-Week Breakdown

Week 0: Scratch Programming

  • Basics of computer science and programming using Scratch
  • Topics Covered:
    • Functions
    • Loops
    • Conditionals
    • Variables
  • Lab/Problem Set: Create a game in Scratch (e.g., dodge space debris)
  • Focus on getting used to syntax and using VS Code IDE

Week 1: Introduction to Arrays

  • Covered:
    • Debugging techniques
  • Lab/Problem Set: Challenging but manageable

Weeks 2-5: Algorithms and Memory Management

  • Week 2: Introduction to algorithms, specifically sorting algorithms
  • Weeks 3-5: Considered very difficult;
    • Key Topics:
      • Memory management in C
      • Data structures: Queues, stacks, linked lists, trees, binary search trees, hash tables, tries
  • Problem Set: Implement spellcheck using a hash table

Transition to Python

  • New language introduced (Python)
  • Focus on rewriting previous assignments in Python
  • Main difference: No need for manual memory management

Week 6: SQL and Databases

  • Content: SQL basics, solving a mystery with a SQL database
  • Enjoyable Lab/Problem Set: Felt engaging and game-like

Week 7: Web Development

  • Focus: HTML, CSS, and JavaScript
  • Emphasis on creating websites, transitioning to dynamic web pages using Flask
  • Lab/Problem Set: Create a personal homepage

Week 8: Final Project

  • Freedom to apply course knowledge
  • Chose to create a portfolio website

Course Challenges

  • Time Commitment: Extensive (2-hour lectures, labs, problem sets across 11 weeks)
  • Difficulty: Problem sets can be challenging but rewarding

Conclusion

  • The course offers a solid foundation in coding and computer science
  • Encouragement to take the course for those interested
  • Personal journey from novice to knowledgeable in coding

Final Thoughts

  • Emphasizes patience and determination as keys to success in the course
  • Recommendation: "Just do it!" - Take the course!