《实用操作系统概念(影印版)》讲述了:Copyright 2000 John Wiley & Sons.Inc.All rights reserved. No part of this publication may be reproduced,stored in a retrieval system or transmitted in any form or by any means,electronic,mechanical,photocopy,recording,scanning or otherwise,except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act. without either the prior written permission of the Publisher, or authorization through payment of the appropriate per. copy fee to the Copyright Clearance Center,222 Rosewood Drew,Danvers, MA 01923。(978)750~8400,fax(978)750~4470.Requests to the Publisher for permission should be addressed to the Permissions Department. John Wiley &Sons,Inc.,605 Tabbed Avenue, New Y0rk,NY 10158~0012,(212)850~6011,fax(212)850.6008 E-Mail:PERMREQ@ wILEYCOM.All rights reserved AUTHORIZED REPRINT OF THE EDITI0N PUBLISHED BY JOHN wILEY&SONS,INC.,New York,Chichester,Weinheim,Singapore,Brisbane,Toronto. No part of this book may be reproduced in any form without the wrier permission of John Wiley & Sons.Inc.This reprint is for sale in the People's Republic of China only and exclude Hong Kong and Macau。
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操作系统是管理计算机硬件并提供应用程序运行环境的软件,为了让计算机执行程序,程序必须位于内存中。。内存是处理器唯一能直接访问的大容量存储区。内存为字节或字的数组。每个字节都有其地址。内存是易失性存储器,没有电源时,会丢失内容。
对称多处理技术(SMP)是最为普通的多处理器设计计数,其中所有处理器被视为对等的,且彼此独立运行。集群系统是一种特殊的多处理器系统,它由通过局域网连接的多个计算机系统组成。
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