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Be a Techie without a degree #3 – Operating Systems (OS)

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Operating systems are how computers store files, switch between different applications, manage memory, keep secure, and connect with outside devices like printers and cameras.

Some of the most common operating systems are Microsoft Windows, Apple macOS, Linux, Android and Apple’s iOS.

Here are some YouTube videos explaining Operating Systems:

Here is an article on Operating Systems


Every Operating System (Microsoft, Mac and Linus) has extensive course and material available and you can find useful YouTube videos on the specific Operating System you work with, online.

Note: This article refers to online courses only, but there are numerous face-to-face courses which cover this material and offer qualifications.


Here is a link to an article which may be of use:

MORE INFORMATION AND RESOURCES TO HELP YOU MASTER TECH LEARNING ONLINE focuses on written instruction and coding exercises on their site. They include HTML, CSS, JavaScript, Python, jQuery, SQL, PHP, Bootstrap, XML

It is free for anyone to use. If you prefer video instruction, you may not enjoy this site as much. However, the coding exercises are easy and fun to use. Any experienced computer programmer will tell you that the best way to learn coding is to “tinker” with the language until you feel comfortable with it.

If you want a certificate it will cost you for example: HTML $95 (roughly R1700)

 Udemy (Computer Skills Courses)

Udemy is not free, but they are low-cost (most courses cost less than R150). Their course catalog is vast. If you are looking to learn about specific computer skills or programs, you can use the search bar at the top to find what you are looking for.

Udemy: Master Computers – From Beginner to Expert in One Week

This is one Udemy class that many students with bare minimum computer knowledge say they enjoyed. The instructor is a former college professor. Check out the preview on the right-hand side, and read through the course overview to see if this is a course you’d be interested in.

 MIT Opencourseware: Introductory Programming Courses

Massachusetts Institute of Technology is perhaps one of the world’s leading tech universities. Naturally, tuition costs are extremely high. But the MIT Opencourseware is a registry of free online classes.

App Academy

App Academy is a Silicon Valley computer programming school. It was the first coding school to base students’ tuition on their first year’s salaries after the course. They say ‘No matter what changes, we will continue to tie our success to yours.’ , Switchup, a comprehensive resource where prospective students can compare top-rated tech bootcamps and programs, gave it a 5 star rating.

 edX Computer Science

edX is a platform for education and learning. Founded by Harvard and MIT, it is home to a majority of top-ranked universities in the world. Fulfilling the demand for people to learn on their own terms, edX is provides stackable learning experiences including the MicroMasters® programs. Courses ranging from data and computer science to leadership and communications.

Example: Python for Data Science. Beginner friendly. This course is part of a Professional:

1 Weeks Effort: 2–5 hours per week Price: FREE Add a Verified Certificate for $39 (about R700)

 LinkedIn Learning (Beginner Computer Skills Courses)

LinkedIn is not just a professional social media platform, it also is a place for people to build basic computer skills.

Also, if you haven’t already built a LinkedIn Profile, doing so will help you become acquainted with some critical computer skills to boost your professional career (as well as help you connect with peers and potential employers).


Coursera offers a wide range of courses from leading universities, free to start, and a fee once you want a certificate.


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