Well this reminds me of Turbo Pascal from back in my school days…

If you want to learn about Computer Science and Programming, start here.

CS50 is a renowned introductory computer science course offered by Harvard University. The course, officially known as “CS50 Introduction to Computer Science,” is designed to provide students with a solid foundation in computer science and programming concepts. CS50 covers a wide range of topics, including algorithms, data structures, software development, web development, databases, and more.

The course is popular for its engaging and interactive teaching style, with lectures delivered by Professor David J. Malan. CS50 aims to make computer science accessible to beginners by focusing on problem-solving, critical thinking, and hands-on programming exercises. It encourages students to think creatively and develop logical reasoning skills, preparing them for further studies in computer science or careers in the technology industry.

CS50 is offered both on-campus at Harvard University and online through the edX platform, allowing students from around the world to participate. The online version includes video lectures, problem sets, quizzes, and a vibrant online community where students can seek help and interact with fellow learners.

Over the years, CS50 has gained popularity and has been recognized for its high-quality curriculum and teaching methods. It has influenced many students to pursue computer science and has become a stepping stone for individuals interested in entering the field of technology.

Here it is++

More on pll.harvard.edu/course/cs50-introduction-computer-science. Below is 24hrs worth of lectures, compliments of Harvard (with a short introduction by freecodecamp.org)

What is the course outline?

The CS50 course covers a wide range of topics in computer science and programming. While the exact course outline may vary slightly depending on the specific offering and format (on-campus or online), here is a general overview of the topics typically covered in CS50:

  • Introduction to Computer Science: Binary representation of data // Algorithms and problem-solving // Introduction to C programming language
  • Data Structures and Algorithms: Arrays and strings // Memory management // Linked lists // Stacks and queues // Trees and tries // Hash tables // Searching and sorting algorithms
  • Memory: Pointers and dynamic memory allocation // Buffer overflows and security vulnerabilities // Memory allocation and deallocation
  • Software Development: Introduction to programming concepts // Modular programming and code organization // Debugging and testing // Version control with Git
  • Web Development: HTML, CSS, and JavaScript fundamentals // Front-end web development // Back-end web development using frameworks like Flask or Django
  • Databases: Structured Query Language (SQL) // Database design and normalization // Database management systems (DBMS)
  • Security and Cryptography: Cryptography fundamentals // Authentication and encryption // Web security
  • Artificial Intelligence and Machine Learning (optional): Introduction to AI and machine learning concepts // Neural networks and deep learning

Throughout the course, students work on problem sets and programming assignments to apply the concepts learned. The assignments often involve building programs and applications that demonstrate proficiency in the covered topics. Students are encouraged to think critically, solve problems, and develop their programming skills through hands-on projects.

The CS50 course provides a comprehensive introduction to computer science and programming, equipping students with fundamental knowledge and skills necessary to pursue further studies in the field or embark on a career in technology.

What programming languages are covered in CS50?

In CS50, several programming languages are covered to provide students with a broad understanding of different programming paradigms and concepts. While the emphasis is primarily on the C programming language, the course also introduces other languages throughout the curriculum. Here are the main programming languages covered in CS50:

{And how to write ‘hello world’ in each — The code snippets below will output the text “Hello, World!” when executed in their respective programming languages. They serve as basic examples to introduce the syntax and structure of each language}

1. C

CS50 begins with an introduction to C, a foundational programming language known for its efficiency and low-level capabilities. Students learn fundamental concepts such as variables, loops, conditionals, functions, arrays, and pointers. C is used extensively in the early part of the course to build a solid understanding of programming fundamentals.

#include <stdio.h>

int main() {
printf("Hello, World!\n");
return 0;

2. Python

After establishing a foundation in C, CS50 introduces Python, a high-level and versatile programming language. Python is used to explore concepts such as data structures, algorithms, and web development. Students use Python to build applications and work on problem sets.

print("Hello, World!")

3. SQL

CS50 covers Structured Query Language (SQL) for working with databases. Students learn how to design, create, and query databases using SQL. This knowledge is essential for understanding data management and manipulation.

SELECT 'Hello, World!';

4. JavaScript

CS50 introduces JavaScript as a foundational language for web development. Students learn JavaScript alongside HTML and CSS to build interactive and dynamic web pages.

console.log("Hello, World!");

5. PHP

CS50 covers PHP, a popular server-side scripting language commonly used in web development. Students use PHP in conjunction with HTML and CSS to build dynamic web applications.

echo "Hello, World!";


It’s important to note that while CS50 introduces multiple programming languages, the course emphasizes problem-solving, algorithms, and programming concepts that are transferable across languages. This approach allows students to develop a solid understanding of programming fundamentals while gaining exposure to different languages and their applications.