1. LOGO Chapter 4 System Software

2. Contents Lead in New words and phrases Intensive study Exercises 4 1 2 3 4.1 Operating System

3. Lead in  What is System Software? 4.1 Operating System System software is a catch-all term for the programs that handle the running of the computer’s hardware. The two main categories are operating systems( 操作系统 )and utility programs( 应用程序 ).

4. Words and phrases Description of the contents multitasking n. 多任务处理 insufficient a. 不足的 alleviate [ə'li:vieit] v. 使减轻，缓和 significant [sig'nifikənt] a. 重大的，重要的 portability n. 可移植性 antitrust a. 反垄断的 regulation n. 控制，管制 flexibility n. 灵活性 implementation n. 实现 laptop n. 手提式电脑 enhancement n. 增强，提高 4.1 Operating System

5. Words and phrases Description of the contents scalability n. 可伸缩性 symmetric [si'metrik] a. 对称的，相称的 disk operating system 磁盘操作系统 programming language 程序设计语言 hardware platform 硬件平台 symmetric multiprocessing 对称多重处理 network operating system 网络操作系统 online transaction processing 在线事务处理 physical address extension 物理地址扩展 system area network 系统区域网络 4.1 Operating System

6. A freely-distributable open source implementation of UNIX that runs on a number of hardware platforms A freely-distributable open source implementation of UNIX that runs on a number of hardware platforms One of the first operating systems to be written in a high-level programming language One of the first operating systems to be written in a high-level programming language Refer to any operating system, but it is most often used as a shorthand for MS-DOS(Microsoft disk operating system) Refer to any operating system, but it is most often used as a shorthand for MS-DOS(Microsoft disk operating system) DOS Linux Intensive study 4.1 Operating System UNIX

7. Description of the company’s sub contents Description of the company’s sub contents Intensive study (P59-60) Decide the following statements are true or false : 1. Dos is a 16-bit operating system and can support multiple users and multitasking. 2. Windows 95 don’t rely on DOS for any help. 3. There are 2 main dialects of UNIX: System V and BSD4.x. 4. Linux has become very popular in the last few years because it is free and can run on many platforms. 4.1 Operating System Keys F F T T

8. Description of the company’s sub contents Description of the company’s sub contents Intensive study Windows 1.Windows 2000 Professional 2.Windows 2000 Server 3.Windows 2000 Advanced Server 4.Windows 2000 Datacenter Server 5.Windows XP 4.1 Operating System

9. Description of the company’s sub contents Description of the company’s sub contents Windows 2000 Professional What can you do with the help of Windows 2000 Professional? 1.Work how and where you want with new peripheral support and features that extend notebook capabilities. 2.Rely on your PC to be up and running with enterprise level quality. 3.Work the way you did with Windows 98,but much faster 4.1 Operating System 4.Communicate, share information, and use the Internet quickly and easily.

10. Description of the company’s sub contents Description of the company’s sub contents Intensive study (P61-62) Decide the following statements are true or false : 1. Windows 2000 Professional can run 30% faster than Windows 98 on PCs with 64 MB of RAM or more. 2. Windows 2000 Server is the multipurpose network operating system for business. 3. Windows 2000 Advanced Server can support up to 32-way symmetric multiprocessing and up to 32 GB of physical memory. 4. Windows XP Home Edition and Windows XP Professional are commonly used editions of Windows XP 4.1 Operating System Keys T T F T

11. Exercises(P63): 1. Multiple Choice: 1) DOS is a ______operating system. A. 4-bit B. 8-bit C. 16-bit D. 32-bit 2) UNIX was written in ______ programming language. A. C B. PASCAL C. FORTRAN D. BASIC 3) Linux is based on ______. A. DOS B. Windows B C. UNIX D. MS-DOS. 4) Windows 2000 have ______ kinds of versions. A. 1 B. 2 C.3 D. 4 C A C D 4.1 Operating System

12. Words and phrases Description of the contents short cut n. 捷径 personalize vt. 个性化 browser n. 浏览器 Control Panel ['pænl] 控制版面 Start Menu 开始菜单 Task Bar 任务栏 4.2 Introduction of Windows XP

13. Intensive study Description of the contents 1. To personalize the number of frequently used programs kept on the Start Menu: 4.2 Introduction of Windows XP Click Start Menu and select Control Panel Choose the Appearance and Themes category Click the Start Menu and Task Bar icon In the Start Menu tab, click Customize Choose how many programs appear in your common programs list

14. Intensive study Description of the contents 2. To drag program shortcuts to the Start Menu and pin those you want accessed easily to its main section: 4.2 Introduction of Windows XP Right click on the program or shortcut icon Select Pin to Start Menu

15. Intensive study Description of the contents 3. Add non-Microsoft alternatives to change your defaults: 4.2 Introduction of Windows XP Click Start and select Set Program Access and Defaults Choose Custom and choose your default browser, email program, media player and instant messenger

16. Exercises (P66): 1. Translate the following text into Chinese: With Windows XP Professional, network configuration for your users is easy. However, you should plan how your users will connect to the network. Windows XP Professional uses TCP/IP as its standard protocol, although as you would expect, it also supports other protocols such as NW Link and IPX. During a typical installation, Windows XP automatically installs networking components if a computer is connected to a network.

17. Discussion How to write a Software Requirements Specification?

18. LOGO Homework Read the reading materials on P63, 66.

19. LOGO Thank You!