David Groth Books

CompTIA A Complete Study Guide

By Quentin Docter, Toby Skandier, Emmett Dulaney

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CompTIA A complete study guide

By Quentin Docter, Toby Skandier, Emmett Dulaney

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CompTIA A Complete Fast Pass

By Emmett Dulaney

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PC hardware essentials

By Ron Gilster, David Groth, Megan Miller

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Wiley Pathways PC Hardware Essentials Project Manual

By David Groth, Russel Polo, Ron Gilster, David Groth, Ron Gilster, Russel Polo

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you can Get There the pc Hardware Essentials Project Manual Offers A Wealth Of Easy-to-read, Practical, And Up-to-date Activities That Reinforce Fundamental Pc Hardware Concepts. You Will Develop T...

CompTIA Network Certification Kit

By Bill Ferguson, David Groth, Toby Skandier

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A Core Module study guide

By David Groth

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A Windows DOS study guide

By David Groth

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A+: Core Module Study Guide

By David Groth

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Get rid of that bookshelf full of expensive hardware books you've been using to study! Here's the second edition of the best-selling study guide for the A+ Core Module--now updated and expanded to...

A exam notes

By David Groth

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.