Facts101 is your complete guide to 80X86 IBM PC and Compat. Comp., Volume I and II. In this book, you will learn topics such as Assembly Language Programming, Arithmetic and Logic Instructions and Programs, INT 21H and INT 10H/Keyboard and Mouse/Signed Numbers, Strings, and Tables, and Modules and Modular Programming plus much more. With key features such as key terms, people and places, Facts101 gives you all the information you need to prepare for your next exam. Our practice tests are specific to the textbook and we have designed tools to make the most of your limited study time.