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By CourseMade
IT Fundamentals: How Computers, Networks, and Systems Work
12 lessons2h
A beginner-friendly journey through the core pillars of information technology — operating systems, networking, and databases. You'll learn how computers boot, how data travels across the internet, and how information is stored and queried, with clear explanations and hands-on examples.
What you'll learn
Lessons unlock once the course is in your library.
Module 1
Operating Systems: The Computer's Brain
4 lessons
- 01What Is an Operating System?10 min
- 02Booting, Processes, and the Kernel10 min
- 03File Systems, Permissions, and the Command Line10 min
- 04Memory, Storage, and Virtual Memory10 min
Module 2
Networking Fundamentals: How Data Travels
4 lessons
- 01Networks, Topologies, and the OSI Model10 min
- 02IP Addressing, Subnets, and DNS10 min
- 03Protocols in Action: HTTP, TCP, UDP, and DHCP10 min
- 04Routing, NAT, and Firewalls10 min
Module 3
Databases and Data Management
4 lessons
- 01Databases vs. Spreadsheets — and the Relational Model10 min
- 02SQL Basics: SELECT, INSERT, UPDATE, DELETE10 min
- 03Joins, Indexes, and Normalization10 min
- 04Putting It All Together — A Simple IT Scenario10 min