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CANKAYA UNIVERSITY OFFICE OF BASIC AND ELECTIVE COURSES -ENGLISH UNIT-

CANKAYA UNIVERSITY OFFICE OF BASIC AND ELECTIVE COURSES -ENGLISH UNIT-. VOCABULARY PRESENTATION FOR ENG 205 COURSE WEEKS 9&10. What is an operating system? Which operating systems do you know? Which operating system do you use? Which is the best one? Why?. MacOS Linux Windows XP Unix

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CANKAYA UNIVERSITY OFFICE OF BASIC AND ELECTIVE COURSES -ENGLISH UNIT-

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  1. CANKAYA UNIVERSITY OFFICE OF BASIC AND ELECTIVE COURSES-ENGLISH UNIT- VOCABULARY PRESENTATION FOR ENG 205 COURSE WEEKS 9&10

  2. What is an operating system? • Which operating systems do you know? • Which operating system do you use? • Which is the best one? Why? MacOS Linux Windows XP Unix Minix Xenix Venix Ultrix

  3. BASIC CONCEPTS OS (OperatingSystem) The set of computer programs that allow the user to perform basic tasks like copying, moving, saving and printing files. It provides a communication btw application programs & computer hardware. interface Applicationsprograms (end-userprograms) E.g.:Wordprocessors,database programs or spreadsheets computer software designed to help the user to perform singular or multiple related specific tasks

  4. What is the working principle of applications programs? What happens when a user interacts with an applications program in the screen? The aplication program communicates with the operating system and the operating system communicates with the computer hardware.

  5. BASIC CONCEPTS vs Non-resident programs Resident programs Programs that remain in memory while the computer is in use Programs that stay in memory only while they are being used Calculators,calendars Internet explorer, multimedia programs etc.

  6. BASIC CONCEPTS Command driven (OS) The user runs a program by typing a command The screen is usually blank except for a symbol (e.g.$) which acts as a command prompt.When the command is typed at the prompt and the Enter key is pressed, the command is processed and the output is displayed on the screen. How does it work?

  7. STARTER • Type them using a keyboard • Date / passwd / ls / logout • date : display date & time passwd: allows user to change password ls : lists files on the screen logout: closes user’s account 4. The user’s account will close

  8. word-processing software (phr.): the software that enables the organization of text in electronic form such as on a computer Eg: Microsoft word • spreadsheet software (phr.): a computer program, used especially in business, which allows you to do financial calculations and plans • execute (v): to carry out an instruction or program.

  9. invoke (v):To activate or start (a program) Eg: You need to invoke yahoo messenger before starting to chat. • resident (n):programs that remain in memory while the computer is in use • non-resident (n.):programs that only stay in memory while they are being used • software interface (n. phr.):a software program enabling a user to communicate with a computer

  10. READING 2. Match the labels to the four layers of this diagram with the help of the diagram caption. • User • Applications programs • Operating system • Hardware

  11. READING 3. Read the text to find answers to these questions: • Applications software does not communicate directly with the computer hardware. • It controls the entire operating system and loads into memory other OS programs as needed. • Programs which remain in memory are resident. Programs which are loaded in from disk storage as required are non-resident. • a.manage the computer’s resources b.establish a user interface c.execute and provide services for applications software

  12. READING 4. Complete the gaps in this summary of the text on OS: • but • such as • therefore • because • such as • In addition • Although

  13. PROBLEM SOLVING ACTION • List all the files in a dictionary • Delete a file • Rename a file • Copy a file • Send a file to a printer • Obtain help • Create a dictionary • Show date and time • Show users on system • Talk to other users on system • Search for a string in a file Unix command VMS command • ls • rm • mv • cp • lpr • man • mkdir • date • rwho • write • grep • directory • delete • rename • copy • print help • help • create/directory • show time • how users • phone • Search

  14. To answer the questions on pages 40-41… STUDENT A look at page 184 STUDENT B look at page 190 Answer the questions together with your friend

  15. SpecialistReadingVocabulay robust (adj):  able to withstand or overcome adverse conditions, strong and unlikely to break or fail You need a robust pair of walking boots for the snowy weather. shortcoming (n): a fault or failure to meet a certain standard , typically in a plan fulfil (v):achieve or realize something desired He wouldn’t be able to fulfil his ambition to visit Nepal.

  16. compile (v): convert a program into a machine-code or lower-level form in which the program can be executed This application allows you to create programs and compile them. hitherto (adv):until now or until a particular time The scientist couldn’t find the cure of cancer hitherto.

  17. source code (n.phr.):the form in which a computer program is originally written before it is changed into computer language • open source (n.phr.):a software is free to use, and the original program can be changed by anyone. • kernel (n): the most basic level or core of an operating system, responsible for resource allocation, file management, and security.

  18. astounding (adj.): surprisingly impressive or shocking There was an astounding 80% increase in sales. dedicate to (v): devote (time or effort) to a particular task or purpose Joan has dedicated her life to animals eye-watering price (adj. phr.): extremely high price The cost of getting your car repaired while abroad can be eye-watering.

  19. utterly (adv.): completely, extremely What an utterly stupid thing to do!!! • implement (v): to put a plan or system into operation The changes to the national health system will be implemented next year. • memory allocation (n. phr.): the division of memory storage for use in a computer programduring the runtime of that program • near-clone (adj): verysimiliartotheoriginalone Linux is a near-clone of Unix

  20. Readthetextcarefullyandaswerthequestions of PartA • The GNU program tools • The source code was released on the Internet • Modify it to fix bugs or add new features • Because they believe that if they make it available it will destroy their revenue stream • Command interpreters, programming tools, text editors, typesetting tools and graphical user interfaces • A complex standard distributed windowing system on which people implement graphical interfaces • KDE and Gnome

  21. Part B • vi • v • ii • i • iii • iv • F • F • T • T • T

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