計算機專業(yè)英語Unit-04-課件1

1、計算機專業(yè)英語 教學課件Unit 4 Operating SystemsContentsPart 1 Listening and SpeakingDialogue: Talking about Operating SystemsListening Comprehension: AndroidDictation: Linus Torvalds and the Software Nobody KnowsPart 2 Reading and TranslatingSection A: Roles of an Operating SystemSection B: Mobile versus Deskt

2、op Operating SystemsPart 3 Simulated Writing: Uncovering the Secrets of Clear Writing (II)1.1 Dialogue: Talking about Operating SystemsExercises: Work in a group, and make up a similar conversation by replacing the statements with other expressions on the right side.1.2 Listening Comprehension: Andr

3、oidListen 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).Questions1. Android is which kind of platform accordi

4、ng 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 Nobod

5、y KnowsThis 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 SystemsExercisesI. Read the following statements carefully, and decide whether they are true (T) or false (F) according to

6、 the text._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

7、operating system._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 SystemsII. Choose the best answer to each of the fo

8、llowing questions.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

9、 system?AAndroid 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 th

10、e same operating systems 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 relat

11、ed lettered item. Write your answers in the spaces provided.a. Androidb.antivirusc.driverd.fragmentedMultitasking_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

12、rest of a computer system 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 Syste

13、msExercisesI. Read the following 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

14、to productivity and multitasking._3In 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 be

15、st answer to each of the following questions.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 o

16、perating system have?AIt manages operations 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 space

17、s provided.a.NOSb.platformc.utilitiesd.virtualization 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 rela