Programmable logic controllers (PLCs) continue to
evolve as new technologies are added to their capabilities.
The PLC started out as a replacement for hardwired
relay control systems. Gradually, various math and logic
manipulation functions were added. Today PLCs are the
controller of choice for the vast majority of automated...
The third edition of this text contains key improvements and changes that continue to
provide instructors and students with the best information technology auditing text
available. This edition has been reorganized and expanded to address the internal control
and audit issues mandated by Sarbanes-Oxley legislation. The third edition...
Welcome to MCTS Guide to Windows 7. This book offers you real-world examples,
interactive activities, and many hands-on activities that reinforce key concepts and prepare you
for a career in network administration using Microsoft Windows 7. This book also features
troubleshooting tips for solutions to common problems that you will...
Welcome to the Graphic Designer’s Digital Toolkit! Here you will learn the essential
skills and design techniques to get you comfortable using the newest versions of
the premier graphics programs in the industry today: Photoshop, Illustrator, and
InDesign. This book is set up as a challenging hands-on, project-based classroom...
Congratulations. You have been given your own project to run. If you are like most project managers, part of you is elated that your company has entrusted you with an important assignment, while the rest of you is petrified that it will soon discover the magnitude of its error. Whether the project is your first and you are being...
More than 50 years ago when I was studying to become an electrical engineer,
I came across complex numbers, which were used to represent out-of-phase voltages
and currents using the j operator. I believe that the letter j was used, rather
than i, because the latter stood for electrical current. So from the very start of my
studies I...
Visual Basic for Applications (VBA) is a powerful tool that enables you to automate operations
in the Microsoft Offi ce applications and in other applications that host VBA. By automating
operations using VBA, you can save yourself and your colleagues huge amounts of time and
effort. Getting more work done in less time is usually good...
As I look back on my career at Microsoft, I feel fortunate
to have had a front-row seat to witness an incredible
shift in how people and organizations communicate and interact.
I started at Microsoft in October 1994—about a year after
America Online released AOL 1.0 for Windows. As early adopters
of social media,...
Get the brutal truth about coding, testing, and project management—from a Microsoft insider who tells it like it is. I. M. Wright's deliberately provocative column "Hard Code" has been sparking debate amongst thousands of engineers at Microsoft for years. And now (despite our better instincts), we're making...
My entire career has been about learning and applying new technologies. It has also
been about taking on new challenges related to technology and business. I enjoy
learning new things,and I like to share things that I have learned through writing
and public speaking. I like to help others learn challenging subjects,in particular...
Written by CompTIA certification and training expert Mike Meyers, this instructive, full-color guide will help you pass the CompTIA A+ exams and become an expert hardware technician. Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs, Third Edition is...
The examples used in this book are taken from my own experiences, as well as from
the experiences of those with or for whom I have had the pleasure of working. Of course,
for obvious legal and honorable reasons, the exact details and any information that
might reveal the identities of the other parties involved have been changed.
