Computer fundamentals courses can help you learn basic hardware and software concepts, operating systems, networking, and cybersecurity principles. You can build skills in troubleshooting, system maintenance, and understanding data management practices. Many courses introduce tools like Windows, Linux, and various programming languages, showing how these skills apply in everyday computing tasks and professional environments.

EDUCBA
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Semantic Web, Interactive Design, User Interface (UI), Usability, Web Design, Information Architecture
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Building Codes, Electric Power Systems, Environmental Regulations, Power Electronics, Sustainable Design, Sustainable Technologies, Energy and Utilities, High Voltage, Electrical Engineering, Electrical Safety, Scalability, Wireless Networks, Capacity Management, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, API Testing, Test Script Development, Test Case, Eclipse (Software), Verification And Validation, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: MongoDB, Back-End Web Development, NoSQL, Data Transformation, Data Maintenance, Database Design, Databases, Data Cleansing, Data Manipulation, JSON, Development Environment
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Business Communication, Communication, Global Marketing, Intercultural Competence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Design, GitHub, Git (Version Control System), Postman API Platform, Application Programming Interface (API), Application Deployment, Node.JS, API Testing, Web Development, Server Side, Full-Stack Web Development, Back-End Web Development, Web Applications, Front-End Web Development
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Identity and Access Management, Application Security, Secure Coding, Security Testing, Information Systems Security, Cyber Security Assessment, Security Engineering, Security Controls, Risk Management Framework, Cybersecurity, Authentications, Threat Modeling, Network Security, Risk Management, Infrastructure Security, Data Security, Continuous Monitoring, Software Development Life Cycle, Authorization (Computing), Cryptography
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Package and Software Management
Beginner · Course · 3 - 6 Months

Skills you'll gain: Programming Principles, Data Import/Export, Integrated Development Environments, Debugging, File Management
Beginner · Course · 3 - 6 Months

Skills you'll gain: Facebook, Brand Awareness, Advertising, Online Advertising, Marketing Materials, Social Media Campaigns, Social Media Marketing, Social Media, Content Creation, Marketing Design, Branding, Graphic and Visual Design, Content Marketing, Customer Engagement, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Predictive Modeling, Clinical Data Management, Intensive Care Unit, Risk Modeling, Clinical Practices, Patient Evaluation, Decision Support Systems, Applied Machine Learning, Health Informatics, Model Evaluation, Qualitative Research, Data Analysis, Model Deployment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Mac OS, Application Lifecycle Management, Endpoint Security, iOS Development, Cloud Deployment, Network Administration, Security Controls, Safety and Security, Mobile Development Tools, Computer Security, Supervision, General Networking, Test Planning, Stakeholder Communications
Intermediate · Specialization · 3 - 6 Months