edX offers a great selection of information technology courses taught by major institutions. While the longer courses are charged, the shorter courses nearly always provide a free option. The only exception is if you wish to obtain a certificate that you may present as proof to an employer. It is advantageous to use this technique since it allows you to truly grasp whether or not the course is right for you before opening your wallet.
There is something for everyone among the courses available, which span from programming to security and network administration. There are several famous colleges that offer these courses, including Harvard and MIT, which are both located in the United States.
So use the opportunity to learn something new or develop your abilities in an area where there is always job.
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