10 Best Udemy Computer Science Courses in 2021

We are living in the midst of a revolution powered by computers and among the most important aspects of computer science is problem-solving – an essential skill for life. Have you always been intrigued by the inner workings of computers but never had the opportunity to dive deeply enough into textbooks or seminars?

Worry no more because today, we are happy to present you with a comprehensive list of courses you can follow to understand the science of computers.

These courses have been organized by the best-rated lecturers, and they combine the best tools for both theoretical and practical exercises for different topics in IT e.g. scripting, software development, computer algorithms, operating systems, and network administration.

They are all available for a discounted price for a limited price so get into the list as you scan through to find the most suited options for your learning goals.

Note: All the Udemy courses listed below offer a 30-day money-back guarantee, lifetime access to the course material, and a certificate on completion of training.

1. Computer Science 101: Master the Theory Behind Programming

This Computer Science 101 course is designed to enable students to become better programmers and software engineers as it contains lectures that are clear and easy to follow. What are the requirements? A computer with an Internet connection and the motivation to learn.

By the end of the lessons, you should have gotten a grounded understanding of the fundamental theories of Algorithm analysis, when to use different data structures and algorithms, and how to implement your own searching algorithms e.g. bubble sorting. You can enjoy a 76% discount now by purchasing the course for only $11.99.

2. Operating Systems from scratch – Part 1

The Operating Systems from the scratch course is the first of a two-part series in which you will learn the concepts of operating systems from scratch because they form the core of computer science.

By the end of the course you would have learned about how processes are created and managed, the various scheduling algorithms, how CPU, memory, and disks work together, memory allocation strategies used by different OSes, and how to view computers from a low-level up.

3. CS101 Bootcamp: Introduction to Computer Science & Software

This Computer Science 101 Bootcamp is one created to teach computer science and software programming to absolute beginners. By the end of this Bootcamp, you would have understood the inner workings of computers, the basic concepts of software programming in PHP, Python, and Java, the fundamentals of databases, mobile apps, and cloud computing.

Last but not least, you will be able to write basic software programs and applications. Like all the courses on this list, CS101 Bootcamp is available for a discounted price of $14.99.

4. Computer Programming for Beginners

This Computer Programming for Beginners course teaches the basic concepts of programming using Python and JavaScript. Here, you will learn the basic concepts in computer programming and go on to create basic programs using JavaScript and Python.

You don’t have to worry about the technical challenges you may run into because the course includes 4 hands-on coding exercises alongside step-by-step guidance to help you through the coding sprints. What’s also cool is the fact that you can get instant feedback on your code! Purchase now for $14.99 (63% off).

5. Operating Systems from Scratch – Part 2

This course is the follow-up course from #1 in the four-part operating systems tutorial course. In Operating Systems from scratch – Part 2, you will learn about memory management in operating systems in order to get a better grasp on operating system concepts. It covers vital advanced topics such as paging, database systems, computer organization in a way that is easy for new beginners to computer science to understand.

It is also available for a 90% discounted price of $12.99 with the only prerequisite being a PC with an internet connection and completion of Part 1.

6. Computer Science 101 – Computers & Programming for Beginners

This Computer Science 101 course is designed for beginners to the world of computer programming as it covers topics in computer science from a conceptual angle. By the end of this one-and-a-half-hour course, you would have understood the concepts behind programming and programming languages, as well as relevant topics that are fundamental to how applications work.

Does this one sound like the ideal pick for you? You can enjoy a 25% discount on the price if you grab it now for $14.99.

7. Introduction to Computer Science

This Introduction to Computer Science course familiarizes students with the advantages of computing by giving them an overview of what computer science has to offer. Here, you will cover topics such as programming, algorithms, hardware and design, OSI, databases, networks, web development, etc.

Would you like to have the fundamentals of computer science explained to you in an easy-to-assimilate manner within four hours? Grab this course now to enjoy its 86% discount as you purchase it for $14.99.

8. Computer Science 101: Intro to Java & Algorithms

Computer Science 101: Intro to Java & Algorithms course aims to enable students to master coding the right way i.e. using the most appropriate techniques. It focuses on the Java programming language (IDE, syntax, features, advantages, etc), fundamentals of object-oriented programming, methods and arrays, and selection statements, among others.

This course contains a total of 196 lectures spanning close to 14. 5hours in length. With no programming experience needed, you can enjoy its 86% discounted price of $14.99.

9. Introduction to Computer Science by GoLearningBus

The Introduction to Computer Science by GoLearningBus course is designed to provide students with a simple and easy introduction to computer science by means of tutorials, quizzes, and videos that tackle topics such as algorithms, databases, programming basics, Networking, and Internet, and memory management.

By the end of the course, you would have gotten a solid idea of computers from PC, MAC to iPhone and Android, built curiosity for computers and programming, and the ability to answer simple interview questions in order to bag jobs that require computing skills e.g. what is a virus? What is cloud computing? What is a supercomputer?

Boasting a total of 15 lectures lasting 2 hours, this course is available for a 35% discounted price of $12.99. What are the prerequisites? Good knowledge of high school Math.

10. Computer Programming in Python and JavaScript (Intermediate)

This Computer Programming in Python and JavaScript course is an intermediate-level tutorial session that will set you on your path to mastering Python and JavaScript programming by building exciting projects using industry tools such as VS Code and PyCharm.

Are you interested in creating projects that implement arrays, tuples, collections, several data structures, and user interfaces in order to improve your practice skills? Then this 2.5-hour course is the one for you and it is available for $14.99.

That brings us to the end of this list, and just in case you were wondering, it is arranged in order of the highest-rated courses by students so you can rest assured that you’re getting the best quality.

Note: The free courses offer only online video content while paid courses offer that alongside a certificate of completion, Instructor Q & A, and instructor direct messages.

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