Cognis

Smarter notes for smarter minds

Explore Modules    Guides

Language Theory

Master grammars, automata...

Operating Systems

UNIX/Linux, Shell...

Communication Networks

OSI Model, TCP/IP...

Web Application Development

HTML, CSS, JS, PHP...

Object Oriented Programming (Java)

Objects, Encapsulation, Inheritence...

Activating Windows

Learn how to activate Windows for free!

Activating Office 365

Learn how to activate Office 365 for free! (Includes Access, Word, Excel...)