iii Principles of Digital Information Technology explores the basics of information technology, progresses to computer applications commonly used in the workplace, and concludes with a discussion of the interconnectivity of technology in daily life. This text affords you an opportunity to build knowledge and skills in the IT world and helps prepare you for college and career. By studying this text, you will learn the principles and concepts important to information technology, which can help you become a more valuable employee, better citizen, and knowledgeable consumer. Principles of Digital Information Technology is aligned to the Global Standard 5 (GS5) for the Certiport IC3 Digital Literacy Certifi cation. This certifi cation covers Computing Fundamentals, Key Applications, and Living Online. In addition, it is aligned to meet the Microsoft Offi ce Specialist (MOS) certifi cations in Word, PowerPoint, Excel, Access, and Outlook. Earning industry-recognized certifi cation proves the holder of the certifi cate has the skills needed for the job. About the Authors Kathleen M. Austin was a senior lecturer in the School of Information Arts and Technologies at the University of Baltimore. She has participated in the development of many educational multimedia projects. She has authored, coauthored, or contributed to several textbooks, including Introduction to Computer Science: Coding, Introduction to Computer Science: Java Programming, and Introduction to Microsoft Offi ce 2019 published by Goodheart-Willcox Publisher as well as Consumer Mathematics and Math for the World of Work. She holds a Master of Science degree in Computer Science from Johns Hopkins University and a Doctor of Communications Design from the University of Baltimore as well as IC3 certifi cation. Lorraine N. Bergkvist was an Adjunct Professor at the University of Baltimore providing instruction in Visual Basic programming, database implementation, and web-page creation. She is the coauthor of Introduction to Computer Science: Coding, Introduction to Computer Science: Java Programming, and Introduction to Microsoft Offi ce 2019 published by Goodheart-Willcox Publisher. She is also the owner of Kingsville Résumé Center, which provides professional résumé- writing services as well as consulting and editing in the information technology fi eld. She developed the curriculum and taught the Introduction to Technology course at the University of Baltimore and the College of Notre Dame of Maryland. She holds a Bachelor of Science degree from Trinity University, a Master of Education degree from Towson University, and IC3 certifi cation. She has received several scholarships and grants in the technology fi eld. Introduction