Lecture-3: Operating System & Application Softwares
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The document discusses different types of system and application software. It provides definitions of operating systems and their common functions like booting, user interface, memory management, and utilities. It also describes different categories of application software for business, graphics, and home/personal use. Examples of specific software in these categories and their key features are outlined.
Lecture-3: Operating System & Application Softwares
- 1. LECTURE 03 OPERATING SYSTEM & APPLICATION SOFTWARE'S Mr. Mubashir Ali Lecturer(Dept. of Computer Science) [email protected]
- 2. Living in a Digital World Discovering Computers 2010
- 3. Objectives Overview Define system software and identify the two types of system software Describe the functions of an operating system Summarize the startup process on a personal computer Summarize the features of several stand-alone operating systems Briefly describe various server operating systems Summarize the features of several embedded operating systems Explain the purpose of several utility programs Discovering Computers 2010: Living in a Digital World Chapter 8 3See Page 397 for Detailed Objectives
- 4. System Software ⢠System software consists of the programs that control or maintain the operations of the computer and its devices Discovering Computers 2010: Living in a Digital World Chapter 8 4Page 398 Operating systems Utility Programs
- 5. Operating Systems ⢠An operating system (OS) is a set of programs containing instructions that work together to coordinate all the activities among computer hardware resources Discovering Computers 2010: Living in a Digital World Chapter 8 5Pages 398 - 399 Start and shut down a computer Provide a user interface Manage programs Manage memory Coordinate tasks Configure devices Establish an Internet connection Monitor performance Provide utilities Automatically update Control a network Administer security
- 6. Operating System Functions ⢠The process of starting or restarting a computer is called booting Discovering Computers 2010: Living in a Digital World Chapter 8 6Page 400 Figure 8-2 Cold boot ⢠Turning on a computer that has been powered off completely Warm boot ⢠Using the operating system to restart a computer
- 7. Operating System Functions ⢠A user interface controls how you enter data and instructions and how information is displayed on the screen ⢠With a graphical user interface (GUI), you interact with menus and visual images Discovering Computers 2010: Living in a Digital World Chapter 8 7Pages 402 â 403 Figure 8-4
- 8. Operating System Functions ⢠How an operating system handles programs directly affects your productivity Discovering Computers 2010: Living in a Digital World Chapter 8 8Pages 404 - 405 Single user and multiuser Single tasking and multitasking Foreground and background Preemptive multitasking Multiprocessing
- 9. Operating System Functions ⢠Memory management optimizes the use of RAM ⢠Virtual memory is a portion of a storage medium functioning as additional RAM Discovering Computers 2010: Living in a Digital World Chapter 8 9Page 406 Figure 8-8
- 10. Operating System Functions ⢠A performance monitor is a program that assesses and reports information about various computer resources and devices Discovering Computers 2010: Living in a Digital World Chapter 8 10Pages 408 â 409 Figure 8-11
- 11. Operating System Functions ⢠Operating systems often provide users with the capability of: Discovering Computers 2010: Living in a Digital World Chapter 8 11Page 409 Managing files Searching for files Viewing images Securing a computer Uninstalling programs Cleaning up disks Defragmenting disks Diagnosing problems Backing up files and disks Setting up screen savers
- 12. Operating System Functions ⢠Automatic update automatically provides updates to the program Discovering Computers 2010: Living in a Digital World Chapter 8 12Page 409 Figure 8-12
- 13. Types of Operating Systems Discovering Computers 2010: Living in a Digital World Chapter 8 13Pages 411 â 412 Figure 8-14
- 14. Embedded Operating Systems ⢠An embedded operating system resides on a ROM chip on a mobile device or consumer electronic device Discovering Computers 2010: Living in a Digital World Chapter 8 14Pages 418 - 420 Windows Embedded CE Windows Mobile Palm OS iPhone OS Blackberry Embedded Linux Symbian OS
- 15. Utility Programs ⢠A utility program is a type of system software that allows a user to perform maintenance-type tasks Discovering Computers 2010: Living in a Digital World Chapter 8 15Page 421 Figure 8-27
- 16. Utility Programs ⢠A file manager is a utility that performs functions related to file management â Displaying a list of files â Organizing files in folders â Copying, renaming, deleting, moving, and sorting files and folders â Creating shortcuts Discovering Computers 2010: Living in a Digital World Chapter 8 16Page 422 Figure 8-28
- 17. Utility Programs ⢠A search utility is a program that attempts to locate a file on your computer based on criteria you specify Discovering Computers 2010: Living in a Digital World Chapter 8 17Page 422 Figure 8-29
- 18. Summary of Operating Systems Definition of an operating system Functions common to most operating systems Variety of stand-alone operating systems, server operating systems, and embedded operating systems Several utility programs Discovering Computers 2010: Living in a Digital World Chapter 8 18Page 429
- 19. Objectives Overview of Application softwareâs Identify the four categories of application software Differentiate among the seven forms through which software is available Explain how the operating system and utility programs work with application software Describe characteristics of a user interface Identify the key features of widely used business programs Discovering Computers 2010: Living in a Digital World Chapter 3 19See Page 141 for Detailed Objectives
- 20. Objectives Overview Identify the key features of widely used graphics and multimedia programs Identify the key features of widely used home, personal, and educational programs Discuss the advantages of and ways to access Web applications Identify the types of application software used in communications Describe the learning aids available for application software Discovering Computers 2010: Living in a Digital World Chapter 3 20See Page 141 for Detailed Objectives
- 21. Application Software ⢠Application software consists of programs designed to make users more productive and/or assist with personal tasks Discovering Computers 2010: Living in a Digital World Chapter 3 21Page 142 To make business activities more efficient To assist with graphics and multimedia projects To support home, personal, and educational tasks To facilitate communications
- 22. Application Software Discovering Computers 2010: Living in a Digital World Chapter 3 22Page 142 Figure 3-1
- 23. Application Software ⢠Available in a variety of forms: Discovering Computers 2010: Living in a Digital World Chapter 3 23Pages 142 â 143 Packaged software Custom software Web application Open source software Shareware Freeware Public-domain software
- 24. Business Software ⢠Business software is application software that assists people while performing business activities Discovering Computers 2010: Living in a Digital World Chapter 3 24Page 146 Word Processing Spreadsheet Database Presentation Note taking Personal information manager Business software for phones Business software suites Project management Accounting Document management Enterprise computing software
- 25. Business Software ⢠Additional word processing features include Discovering Computers 2010: Living in a Digital World Chapter 3 25Page 148 Figure 3-6 AutoCorrect AutoFormat Collaboration Columns Grammar Checker Ink Input Macros Mail Merge Reading Layout Research Search and Replace Smart Tags Tables Templates Thesaurus Tracking Changes Voice Recognition Web Page Development Click to view Web Link, click Chapter 3, Click Web Link from left navigation, then click Word Processing Software below Chapter 3
- 26. Business Software ⢠A function is a predefined formula that performs common calculations Discovering Computers 2010: Living in a Digital World Chapter 3 26Page 152 Figure 3-9 FV NPV PMT PV RATE DATE NOW TIME ABS INT LN LOG ROUND SQRT SUM AVERAGE COUNT MAX MIN STDEV IF
- 27. Business Software ⢠Charting depicts data in a spreadsheet in graphical form Discovering Computers 2010: Living in a Digital World Chapter 3 27Pages 152 â 153 Figure 3-10
- 28. Business Software ⢠A database is a collection of data organized in a manner that allows access, retrieval, and use of that data â Database software allows users to create, access, and manage a database Discovering Computers 2010: Living in a Digital World Chapter 3 28Page 153 Figure 3-11 Click to view Web Link, click Chapter 3, Click Web Link from left navigation, then click Database Software below Chapter 3
- 29. Business Software ⢠Presentation software allows users to create visual aids for presentations to communicate ideas, messages, and other information to a group Discovering Computers 2010: Living in a Digital World Chapter 3 29Page 154 Figure 3-12 Click to view Web Link, click Chapter 3, Click Web Link from left navigation, then click Presentation Software below Chapter 3
- 30. Business Software Discovering Computers 2010: Living in a Digital World Chapter 3 30Page 155 Figure 3-13
- 31. Business Software ⢠A software suite is a collection of individual programs available together as a unit ⢠A personal information manager (PIM) is application software that includes Discovering Computers 2010: Living in a Digital World Chapter 3 31Page 156 Appointment calendar Address book Notepad Click to view Web Link, click Chapter 3, Click Web Link from left navigation, then click Microsoft Office below Chapter 3
- 32. Business Software Project management software allows a user to plan, schedule, track, and analyze the events, resources, and costs of a project Accounting software helps companies record and report their financial transactions Document management software provides a means for sharing, distributing, and searching through documents by converting them into a format that can be viewed by any user Discovering Computers 2010: Living in a Digital World Chapter 3 32Pages 157 â 158 Figures 3-16 â 3-18
- 33. Business Software ⢠Enterprises typically require special computing solutions for various functional units Discovering Computers 2010: Living in a Digital World Chapter 3 33Page 159 Human resources Accounting Engineering Marketing Sales Distribution Customer service Information technology
- 34. Graphics and Multimedia Software Computer-aided design (CAD) software Desktop publishing software Paint/Image editing software Discovering Computers 2010: Living in a Digital World Chapter 3 34Pages 160 â 161 Figures 3-20 â 3-22 Click to view Web Link, click Chapter 3, Click Web Link from left navigation, then click Graphics Software below Chapter 3
- 35. Graphics and Multimedia Software Discovering Computers 2010: Living in a Digital World Chapter 3 35Pages 162 â 163 Figures 3-23 â 3-25 Professional photo editing software Video and audio editing software Multimedia authoring software
- 36. Software for Home, Personal, and Educational Use Personal finance software Legal software Tax preparation software Discovering Computers 2010: Living in a Digital World Chapter 3 36Pages 166 â 167 Figures 3-28 â 3-30 Click to view Web Link, click Chapter 3, Click Web Link from left navigation, then click Tax Preparation Software below Chapter 3
- 37. Software for Home, Personal, and Educational Use Personal DTP software Personal paint/image editing software Personal photo editing software Discovering Computers 2010: Living in a Digital World Chapter 3 37Pages 167 â 169 Figures 3-31 â 3-33 Click to view Web Link, click Chapter 3, Click Web Link from left navigation, then click Desktop Publishing Software below Chapter 3
- 38. Software for Home, Personal, and Educational Use Clip art/image gallery Video and audio editing software Home design/landscaping software Discovering Computers 2010: Living in a Digital World Chapter 3 38Pages 169 â 170 Figures 3-35 â 3-37
- 39. Software for Home, Personal, and Educational Use Travel and mapping software Reference software Educational software Entertainment software Discovering Computers 2010: Living in a Digital World Chapter 3 39Pages 170 â 171 Figures 3-38 â 3-41 Click to view Web Link, click Chapter 3, Click Web Link from left navigation, then click Game Software below Chapter 3
- 40. Summary of Application software's How to start and interact with application software Overview of a variety of business software, graphics and multimedia software, and home/personal/educational software Web applications and application software for communications Learning tools for application software and Web-based training Discovering Computers 2010: Living in a Digital World Chapter 3 40Page 177