O Level Made Simple – IT Tools & Network Basics The book “O Level Made Simple – IT Tools & Network Basics (M1-R5)” is a study guide for the first module of the NIELIT O-Level course, designed for beginners to learn fundamental IT concepts. It covers computer basics, operating systems (like MS Windows), MS Office applications (Word, Excel, PowerPoint), internet usage, email, social networking, e-governance, digital financial tools, and an overview of cybersecurity
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