1、计算机专业计算机专业英语英语 教学教学课件课件Unit 4 Operating SystemsContents Part 1 Listening and Speaking Dialogue:Talking about Operating Systems Listening Comprehension:Android Dictation:Linus Torvalds and the Software Nobody Knows Part 2 Reading and Translating Section A:Roles of an Operating System Section B:Mobile
2、 versus Desktop Operating Systems Part 3 Simulated Writing:Uncovering the Secrets of Clear Writing(II)1.1 Dialogue:Talking about Operating Systems Exercises:Work in a group,and make up a similar conversation by replacing the statements with other expressions on the right side.1.2 Listening Comprehen
3、sion:Android Listen to the passage and the following 3 questions based on it.After you hear a question,there will be a break of 15 seconds.During the break,you will decide which one is the best answer among the four choices marked(A),(B),(C)and(D).Questions 1.Android is which kind of platform accord
4、ing to this article?2.Do hardware manufacturers have to adhere to certain specifications in order to be called“Android compatible”according to this article?3.Which kind of operating system is a Samsung smartphone using according to this article?1.3 Dictation:Linus Torvalds and the Software Nobody Kn
5、ows This article will be played three times.Listen carefully,and fill in the numbered spaces with the appropriate words you have heard.2.1 Section A:Roles of an Operating Systems Exercises I.Read the following statements carefully,and decide whether they are true(T)or false(F)according to the text._
6、1 The operating system allows application software to access system resources,either directly or through other system software._2The memory constraints for smartphones and tablet computers are different than those of a typical desktop or laptop computer._3A computer could have only one operating sys
7、tem._4 The operating system supports specific application goals,such as a library of graphics software that renders images on a display._5The operating system of a computer is application software.2.1 Section A:Roles of an Operating Systems II.Choose the best answer to each of the following question
8、s.1Which of the following computer resources does an operating system manage?AInput devices BOutput devicesCMemoryDAll of the above2Which of the following runs the iOS mobile operating system?AiPhoneBiPadCiPod TouchDAll of the above3Which of the following is wrong about the operating system?AAndroid
9、 and iOS dominate the current market for mobile operating systems,though there are still several others.BA computer could have two or more operating systems from which the user chooses when the computer is turned on.CMobile devices,such as smartphones and tablet computers,have the same operating sys
10、tems as those of a typical desktop or laptop computer.DThe operating system allows application software to access system resources,either directly or through other system software.2.1 Section A:Roles of an Operating Systems.Match each numbered item with the most closely related lettered item.Write y
11、our answers in the spaces provided.a.Androidb.antivirusc.driverd.fragmentede.Multitasking_1.Type of program that guards computer systems from viruses and other damaging programs._2.Program that works with the operating system to allow communication between a device and the rest of a computer system
12、is called a device _._3.If a file cannot be saved on a single track,it has to be _._4.Switching between different applications_5.Mobile operating system that is owned by Google and is widely used in many smartphones.2.2 Section B:Mobile versus Desktop Operating Systems Exercises I.Read the following
13、 statements carefully,and decide whether they are true(T)or false(F)according to the text._1It is not so important to choose an operating system when you buy a computer or mobile device._2Desktop operating systems are more relevant than mobile operating systems to productivity and multitasking._3In
14、general a mobile operating system has many programs running at a time._4A mobile operating system resides on a hard disk._5Sometimes we call desktop operating system server operating system.2.2 Section B:Mobile versus Desktop Operating SystemsII.Choose the best answer to each of the following questi
15、ons.1Which of the following does the desktop operating system include?AWi-Fi BBluetoothCCellularDNone of the above2Which of the following technology does the mobile operating system use?ANFCBBluetoothCGPSDAll of the above3Which of the following role does an operating system have?AIt manages operatio
16、ns BIt maintains the functions of the computer or deviceCIt provides a user interfaceDAll of the above2.2 Section B:Mobile versus Desktop Operating Systems.Match each numbered item with the most closely related lettered item.Write your answers in the spaces provided.a.NOSb.platformc.utilitiesd.virtu
17、alizatione.warm boot_1.Type of operating system that controls and coordinates networked computers._2.A type of software that allows a single physical computer to operate as though it were two or more separate and independent computers._3.Programs that perform specific tasks related to managing computer resources._4.Restarting a running computer without turning off the power._5.An operating system is often referred to as the software environment or software3.Simulated Writing:Uncovering the Secrets of Clear Writing(I)3.说明数据说明数据 4.在文档中添加表格和图片在文档中添加表格和图片
