Kenneth J. Ayala Books

Microprocessor 8086

By Ayala, Kenneth J. Ayala

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8051 Microcontroller: Architecture, Programming and Applications

By Kenneth Ayala, Kenneth J. Ayala

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The 8051 Microcontroller: Architecture, Programming, and Applications

By Kenneth J. Ayala

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80251 Microcontroller, The

By Kenneth J. Ayala

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"This is one of the first books published on the 80251. The 80251 was introduced by intel as a replacement for the popular 8051 microcontroller. It offers new hardware features and instructions, wh...

The 8051 Microcontroller, 3rd Edition

By Kenneth Ayala

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Instructor s Guide To Accompany The 8051 Microcontroller

By Kenneth J. Ayala

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8086 Microprocessor: Programming and Interfacing the PC

By Kenneth Ayala, Kenneth J. Ayala

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The 8051 Microcontroller Embedded Systems using Assembly and C with CD

By Kenneth Ayala

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MICROCONTROL ARCH PROG IM

By AYALA

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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.