1. Introduction This section discusses the legal protection of information and the security issues of computer data and electronic information systems and is organised into four parts: First, it focuses briefly on the basic conceptual distinction between information and data, providing a basis of understanding of the primary object of legal and technical means of protection. Second, access to Government information will be discussed

Chapter 7: The Analysis of Price Determination Gang Gong Copyright Notes: This electronic file is only used as a lecture notes for the student in this class. It is not allowed to be used for presentation anywhere else without the permission from the author

1.脉冲整形电路有 A.多谐振荡器B.单稳态触发器C.施密特触发器D.555定时器 2.多谐振荡器可产生 A.正弦波B.矩形脉冲C.三角波 D.锯齿波

1.PROM和PAL的结构是 A.PROM的与阵列固定,不可编程B.POM与阵列、或阵列均不可编程 C.PAL与阵列、或阵列均可编程D.PAL的与阵列可编程 2.当用专用输出结构的PAL设计时序逻辑电路时,必须还要具备有 A.触发器B.晶体管C.MOS管D.电容

Readers are reminded that this work is protected by copyright. While they are free to use the ideas expressed in it, they may not copy, distribute or publish the work or part of it, in anmy form printed, electronic or otherwise, except for reasonable quoting, clearly indicating the source Readers are permitted to make copies, electronically or printed, for personal and classroom use Abstract

Following the September 1 l terrorist attacks on New York and Wash ington, Congress rushed into action and quickly passed antiterrorism legis lation known as the USA Patriot Act. The Patriot Act has been widely understood as a\sweeping\ antiterrorism law that gave the government vast new powers to conduct electronic surveillance over the Internet The Act's surveillance provisions proved so controversial that Congress added a sunset provision that will nullify several of its key provisions after

10-1选择题 1.AD 2.A 3.A 4. ABCD 5. ABCD 6.AD

1.BC 2.B 3.C 4.A 5. ABC

8-1ROM主要由地址译码器、存储距阵、输出缓冲器 8-2相同点:半导体存储器是由许多存储单元组成,每个存储单元可存储一位二进制数0 不同点:只读存储器ROM用于存放固定不变的数据,存储内容不能随便更改 PROM是可编程只读存储器。 EPROM是可擦除的可编程只读存储器

7-1选择题 8.B 9.B 7-2判断题 1.√2.√3.√4.√5.×