Chapter 4: Server Software Design Chapter goal: algorithm and issues terative servers Concurrent connection-oriented servers Singly-threaded,concurrent servers Multiprotocol servers Multiservice servers Uniform efficient management

Chapter 3: Client Software Design Chapter goal: Algorithm and issues Concurrency in client Client examples Learning algorithm instead of details

A Testing EXercise (From Glenford Myers: The Art of Software Testing A program reads three integer values from a card. The three values are interpreted as representing the lengths of the sides of a triangle. The program prints a message that states whether the triangle is scalene iso

Abstract Model Specifications Build an abstract model of required software behavior using mathematically defined(perhaps using axioms )types(e. g sets, relations) Define operations by showing effects of that operation on the model Specification includes Model

Too complex for complete analysis Separation into non-interacting subsystems distorts the results The most important properties are emergent Too organized for statistics Too much underlying structure that distorts the statistics Organized Complexity\(Weinberg) Copyright Nancy Leveson, Sept 1999

Introduction (chapter objectives) Complex envelopes and modulated signals Spectra of bandpass signals Nonlinear distortion · Communication circuits(mixers, phase- locked loops, frequency synthesizers, and detectors) Transmitters and receivers · Software radios

L Translation(30%) PartI(10%) 1. Will you please send us a copy of your catalogue and current price-list for bicycles? We are interested in bicycles for both man and woman, and also for children. We are the leading bicycle dealers in the city, where cycling is popular, and have branches in five neighboring districts. If the qual ity of your bicycles is satisfactory and the prices are reasonable, we will place regular orders for fairly large numbers 2. Multimedia software is used for electronic publishing and electronic games and in employee training programs, The term multimedia is also used to describe home entertainment systems and other

Text 1 Data Structure Exercises 1. Multiple choices (1)The attributes of the stack are(A B C. queue D. built into their circuitry

Unit 6 Multimedia Text 1 What is multimedia? The answer is neither simple nor easy. Multimedia is the combination of computer and video technology. In fact, Multimedia is just two media: sound and is made from a mix o hardware and software. or machine and ideas

一、词汇(选择一个最合适的词汇,将对应的英文字母填入空格内。每题1分,共10分) 1, refers to the parts of the computer that you can see and touch. A. Software B. Hardware C. Hardship D. Instruction