Introduction to Computers & Information Technology, Preparing for IC3 Certification, Fourth Edition teaches the digital literacy concepts and skills students need to succeed in a technology-based world. This text helps students build a concrete understanding of how computers work and how various types of computing devices and accessories are used in school, work, and at home. The content is organized around the seven areas of digital literacy covered within the three IC3 GS6 exams to support students working toward industry certification.