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Linux Shell脚本攻略.pdf Linux Shell Scripting Cookbook Copyright © 2011 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be
广东工业大学考试试卷 ( A ) 课程名称: 单片机原理及应用 考试时间: 2007 年 12 月 13 日 (第 15 周 星期 四 ) 一、填空题(共20分,每空1分) 1.MCS—51单片机引脚信号中,信号名称带上划线的表示该信号 ( 下降沿 )或( 低电平 )有效。