CompTIA IT Fundamentals+ All-in-One Exam Guide, Second Edition (Exam FC0-U61), 2nd Edition

INTRODUCTION

People use computers or computing devices every day to accomplish certain goals. You probably use a smartphone, such as an iPhone or Android device, to make telephone calls, text friends and family, and surf the Internet. You might use a desktop computer, such as a Windows PC, to write papers for school, create documents for work, and e-mail people around the country.

Computers are so common in everything we do that you could argue the modern world would not function without them. Software provides applications that make computers do useful things such as manipulate numbers, store customer records in databases, or predict future weather trends. A general knowledge of software design principles and how databases work goes hand in ...