# CS50's Introduction to Computer Science

Provider: Harvard University (CS50) (https://cs50.harvard.edu/)
Course page: https://cs50.harvard.edu/x/
EduPeach page: https://getedupeach.com/courses/harvard-introduction-to-computer-science-cs50x/
Page language: en. Language of instruction: English.

## Facts (as shown on the provider page)

- Subject: Programming
- Level: Not stated (provider says two thirds of its students have never taken CS)
- Format: Self-paced
- Price: Free. Free via OpenCourseWare; verified certificate from edX is a paid option
- Duration: eleven weeks of material
- Certificate: Available (see price)
- Prerequisites: None stated
- Instructors: David J. Malan, Harvard University
- Facts checked: 2026-09-27

## In short

An introduction to computer science and programming from Harvard, released as OpenCourseWare. The material is organised in eleven weeks and ends with a final project. A free certificate from the course itself is available on completion; a verified edX certificate is a paid option.

## Topics

- Scratch
- C
- Algorithms
- Memory and data structures
- Python and SQL
- HTML, CSS, JavaScript, Flask

## What the provider says (reported, not verified by EduPeach)

- Two thirds of its students have never taken CS before, according to CS50.
- teaches you how to solve problems, both with and without code
- Portuguese and Spanish dubbed versions available

## Things to know before you start

- edX account needed to submit problem sets and final project for feedback
- verified certificate is paid via edX

## EduPeach editorial rating

Not yet rated (status: not_rated). EduPeach has not completed an editorial assessment of this course. This says nothing about the course's quality or about how many reviews exist online.

## Sources

- CS50x 2026: https://cs50.harvard.edu/x/ (accessed 2026-09-27; title, instructor, cost, certificate options, weeks, topics, account requirement)

## Record

Type: information_card. Status: published. Compiled by EduPeach editorial team. Created 2026-09-27, updated 2026-09-27. Reviewed by: pending.