IT is one of our most popular categories, with in-depth courses and tutorials across all aspects of information technology. Sign up today to learn about cryptocurrency, blockchain, computer networking and server management. You can take free classes for in-demand languages like Python, JavaScript and C++, applying for official certification to take your programming career to the next level. We also cover growing skills like pentestin...…Read More IT is one of our most popular categories, with in-depth courses and tutorials across all aspects of information technology. Sign up today to learn about cryptocurrency, blockchain, computer networking and server management. You can take free classes for in-demand languages like Python, JavaScript and C++, applying for official certification to take your programming career to the next level. We also cover growing skills like pentesting, full stack and MEAN stack development, and database management. Our courses have been developed by top IT organizations like CodeRed (premium cybersecurity tutorials), Microsoft (the world’s most successful software developer), the National Institute of Standards and Technology (a division of the US Department of Commerce) and the Computing Technology Industry Association (or CompTIA, an American IT certification group). We work with the best to bring you the best. We also cater for those learners who need more everyday skills, like how to use Microsoft 365, PowerPoint or even Zoom optimally. With so many people working remotely, having up-to-date computer skills will allow you to work more efficiently. Our free IT courses cover beginners just starting out with Microsoft Word all the way to advanced ethical hacking. Registration and course material is free - we provide the tools so you can get the skills. Read Less
An online diploma program is considered postsecondary, non-degree training.Generally speaking, online diplomas are awarded for specific professional or vocational training. Diplomas are available in a wide variety of professions, including healthcare, technology and business. Click to Learn More Click to Learn More
Supervisor of Food Preparation and Serving Workers
The food service industry is one of the basic yet most complex cornerstones of globalisation and civilisation. The industry owes a major part in its reigning status to Supervisors of Food Preparation
It is well established that nutrition plays a critical role in children's physical, emotional, and intellectual development. School Cafeteria Workers ensure the health and well-being of students by se
If you thought the Food Service Manager’s role is to prepare food, you got it all wrong. Food Service Managers are at the forefront of managing the food industry and ensuring that customers experience
The simple act of caring is in and of itself heroic. Care Aides who strive to fulfil their client’s needs even before they are voiced, belong to the select group of empathetic superheroes.
Every time a layperson can save a person experiencing a respiratory or cardiac emergency, due credit goes first and foremost to the CPR (Cardiopulmonary Resuscitation) and First Aid Instructor who tra
In a world that is unable to perceive the inherent ability of people with disabilities, Disability Support Workers play the roles of companion, coach, educator and relationship facilitator to help the
Enologists work a miracle every time they ensure that the rain, which descends on their vineyards from the heavens, incorporates itself with the grapes to be transformed into delectable wine that make
It is no secret that all occupational sectors fall prey to varying kinds and degrees of hazards. And it is a fact that systemic failure to implement effective policies and precautions can result in in
Hospice Care Workers act as a bridge between scientific medicine and traditional care - they help individuals with grave and chronic conditions live as normally as possible with simple dignity and in
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Presentation counts. Food Stylists make it count. They are culinary artists who transform the ordinary into the extraordinary, turning meals into visually aesthetic experiences by arranging food, in
Historically speaking, Food Preparation Workers had a low profile in society and stayed tucked away in the shadows, unseen. However, today they play an essential role in society. They not only cook bu
Health Educators teach communities to make healthy life choices and so prepare them to overcome unforeseen pandemics. They promote healthy habits and provide people with the requisite tools to conquer
Caregivers are blessed with the holy trinity of human attributes: empathy, patience and skill. Caring for another person is not an easy task. Still, the way Caregivers manage to relieve the recipients
Robust Internal Auditors show their presence at the beginning and end of continual improvement projects. In the beginning, they identify opportunities for improvement; in the end, they provide a mecha
The term Lifeguard is eponymous with the image of a physically fit, responsible and expert swimmer who is also adept at ensuring everyone has a good time in the water.
Alison's free online IT courses include clear and simple lessons on how to manage networks, develop software, process data and maintain vital information technology (IT) systems across computers, phones and more. There are over 400 courses to choose from, from short certificates to comprehensive diploma courses. If you wish to start with a short course, we recommend theBasics of Computer Networking course. For IT professionals preparing for the CompTIA A+ exams, we suggest Alison’s freeCompTIA A+ 1000 - Part 1 andCompTIA A+ 1000 - Part 2 courses. For an in-depth introduction to information technology, we suggest theDiploma in Computer Networking.
What are the best free online certificate courses in IT?
Alison offers hundreds of online IT courses designed by experts and universities to provide you with an interactive and enriched learning experience. Our web-based delivery system means that you can explore course offerings from a place and at a pace that is convenient for you. All courses are free, and upon completion, you can download an official certificate or diploma as proof of your achievement, depending upon the course you choose. Enroll today.
Is IT a good career?
Absolutely, yes! Information Technology is providing breakthroughs in everything from cybersecurity to medical research to robotics. Are you keen to get in on the action? Read our blog to find out how to make the switch to IT.
What is IT?
Information technology (IT) is the use of computers to store and transmit data. Mostly, IT is referred to in business or enterprise contexts. IT is one part of information and communications technology (ICT). An IT system is a group of users operating an information system that includes data, computers, software, hardware and all other peripherals. IT systems, and hence IT companies, are at the heart of the tech revolution our world has witnessed in the past few decades.
How much does an online IT course cost?
Each of the online IT courses on Alison are free, as are all of Alison's online courses. Alison's learners do not have to pay anything to take these courses unless they want a digital or physical copy of the course certificate.
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Supervisor of Food Preparation and Serving Workers 
$36,190
School Cafeteria Worker 
Food Service Manager 
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