Learn about computers and networks from the ground up and take your first step toward certification and your successful computer career! No experience is necessary: Computer Structure and Logic explains every part of your computer, shows how the parts work together, and teaches essential troubleshooting and repair techniques every IT professional needs to know. Learn how information gets into and out of computers (I/O); how your computer’s parts are connected (motherboards and buses); how your computer’s “brain” (CPU) works; all the basics of memory and storage; how your computer starts up and what to do if it doesn’t; how Windows works; how to secure your data, wireless connections, and your computer; and how networks communicate and how to connect to them. Packed with examples and case studies, this book contains more than 150 review questions, with clear explanations of every answer. Test yourself, build your confidence, and launch your career!