TAILIEUCHUNG - A+ CERTIFICATION STUDY GUIDE_ Windows/DOS

This study guide consists of a selection of questions and answers similar to the ones you will find on the official A+ Certification exams. All you need to do is study and memorize the following questions and you will be ready to take the exams. Remember, we guarantee it! | Troy Technologies USA A CERTIFICATION STUDY GUIDE Windows DOS Exam Edition 7 Congratulations You have purchased one of the Troy Technologies USA Study Guides. This study guide consists of a selection of questions and answers similar to the ones you will find on the official A Certification exams. All you need to do is study and memorize the following questions and you will be ready to take the exams. Remember we guarantee it Average study time is 10 to 15 hours. Then you are ready. GOOD LUCK Guarantee Should you use this study guide and still fail the exam then send us the original of your official score notice along with your mailing address to Troy Technologies USA 8200 Pat Booker Rd. 368 San Antonio TX 78233 We will gladly refund the cost of this study guide. However you are not going to need this guarantee if you follow the above instructions. This material is protected by copyright law and international treaties. Unauthorized reproduction or distribution of this material or any portion thereof may result in severe civil and criminal penalties and will be prosecuted to the maximum extent possible under law. Copyright 1998 1999 2000 Troy Technologies USA. All Rights Reserved. Memory Conventional Memory - The first 640K of memory addresses used to run applications. Also referred to as Lower Memory. Reserved Memory - The next 384K of memory address reserved for use by different types of ROM BIOS and Video RAM. Also referred to as Upper Memory. Extended Memory XMS - Any memory addresses above Reserved Memory. High Memory Area HMA - The first 64K of Extended Memory Expanded Memory EMS - Reserved or Extended Memory which is made to act like Conventional Memory. Also known as LIM Memory. Limulation - The act of converting Extended Memory into Expanded Memory. Shadowing - The process of copying ROM BIOS information into the Reserved Memory area of RAM. - A device driver created to open up the HMA by unmasking the A20 wire and act as a gateway to .

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