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.

Johns Hopkins University
Skills you'll gain: Algebra, Graphing, Advanced Mathematics, Logical Reasoning, Applied Mathematics, Mathematical Modeling, Visualization (Computer Graphics), Correlation Analysis, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, No-Code Development, User Interface and User Experience (UI/UX) Design, User Experience Design, Web Design, Web Content, Web Development Tools, System Configuration, Design Elements And Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Large Language Modeling, LLM Application, Artificial Neural Networks, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Generative Model Architectures, Natural Language Processing, Fine-tuning, Model Training, Transfer Learning
★ 3.2 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Remote Access Systems, Network Troubleshooting, Network Administration, Virtual Private Networks (VPN), Hardening, TCP/IP, Cybersecurity, Human Factors (Security), Computer Networking, Hardware Troubleshooting, Network Performance Management, Command-Line Interface, Authentications, Wireless Networks
★ 4.6 (7) · Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Wrangling, Data Integration, Data Manipulation, JSON, Data Transformation, Relational Databases, R (Software), Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Data Structures, File I/O, Application Programming Interface (API)
★ 4.7 (51) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Project Finance, Financial Modeling, Feasibility Studies, Project Risk Management, Risk Management, Risk Analysis, Financial Analysis, Stakeholder Communications, Capital Budgeting, Cost Management, Cost Estimation, Financial Forecasting, Business Valuation, Financial Statement Analysis, Cash Flow Forecasting, Cash Flows
★ 4.6 (21) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, Visualization (Computer Graphics), Image Quality, Animations, Conceptual Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Infrastructure as Code (IaC), Identity and Access Management, Verification And Validation, Cloud Deployment, IT Infrastructure, Multi-Tenant Cloud Environments, IT Automation, Code Reusability, Development Testing, Database Development, Data Structures, Authentications, Data Security, Dependency Analysis, Security Controls
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Mining, Innovation, Image Analysis, Big Data, Medical Imaging, Unstructured Data, Health Informatics, Analytics, Text Mining, Natural Language Processing, Health Care, Health Information Management, Medical Terminology, Interoperability, Classification Algorithms
★ 3.6 (26) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Angular, Front-End Web Development, UI Components, Frontend Performance, Web Design and Development, HTML and CSS, Responsive Web Design, User Interface (UI), Web Applications, JavaScript Frameworks, Cascading Style Sheets (CSS), User Interface (UI) Design, TypeScript, Scalability, Dashboard Creation
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Virtual Networking, Amazon Web Services, Network Architecture, Network Infrastructure, Network Routing, General Networking, Network Monitoring, Network Planning And Design, Network Security, Remote Access Systems
★ 3.8 (10) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Classification And Regression Tree (CART), Convolutional Neural Networks, Random Forest Algorithm, Recurrent Neural Networks (RNNs), Decision Tree Learning, Deep Learning, Applied Machine Learning, Artificial Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Algorithms, Predictive Modeling, Supervised Learning, Computer Vision, Classification Algorithms, Model Training, Natural Language Processing
★ 4.9 (14) · Intermediate · Course · 1 - 3 Months