Visual Guide: Harnessing Computers (3rd Edition) is an instructional textbook designed to introduce learners to the fundamentals of computer systems, digital technology, and basic application software. Published by Jemma, Inc., a leading Filipino educational publisher, this book serves as a visual and activity-based guide for students in secondary and tertiary education, particularly those taking introductory computer or ICT courses.
The book adopts a “learn by doing” approach, combining clear explanations with step-by-step visual instructions and illustrations. It provides real-world examples, screenshots, and guided exercises that help readers understand how to operate computers efficiently and apply basic digital skills in both academic and professional contexts.