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Goals of O.S : To make the computer system convenient to use. To use the computer hardware in an efficient manner. Purpose of O.S : The purpose of an operating system is to provide an environment in which a user may execute programs. What is an operating system ?? Operating System Functions : Process management Interrupts Memory management Virtual file system Device drivers Networking Security Graphical user interfaces Operating System Functions Previous versions of windows . : Previous versions of windows . Windows 7 Overview : What is “windows 7”? Most Recent version of Microsoft Windows Operating system. Windows 7 was released to Manufacturing on July 22,2009,and reached general retail availability on October 22,2009. Windows 7 Overview Slide 7: Why the name “windows 7”? Windows 7 is the current release of Microsoft Windows. Initially codenamed Black comb and Vienna. Naming of windows 7 It is an operating system produced for personal computing which includes Home and business desktops Laptops Tablet PCs and Media center PCs. Boot performance : Boot time is fast. On the same computer, Vista booted in approximately 80 seconds. Windows 7 booted in 50 seconds. That's about a 38% fast boot time with Windows 7 . Applications load faster. With Vista it took approximately 30 seconds. Windows 7 loaded in 20 seconds The installation is faster than Windows Vista Boot performance Benefits of Windows 7 : Performance : Windows 7 starts, shuts down, and resumes from Standby faster than earlier versions of Windows. Reliability :Reliability improvements in Windows 7 include a Fault Tolerant Heap that resolves common memory management issues. Application Compatibility :A key engineering goal for Microsoft is that software that runs on Windows Vista will run as well or better on Windows 7. . Benefits of Windows 7 Slide 10: Device Compatibility : As with software, Microsoft set an engineering goal that devices that work with Windows Vista will also work with Windows 7—and has greatly expanded the list of devices and peripherals that are being tested for compatibility Security : Windows 7 delivers new capabilities to better protect your security and privacy, and makes existing security features such as User Account Control and Windows Defender easier to use. Improved Battery Life : Improvements to power management in Windows 7 will help extend the battery life of your mobile PC. Windows 7 system requirements : Windows 7 system requirements Flavors of Windows 7 : Windows 7 Starter Edition: Will only be offered pre-installed by an OEM on new PCs limited to specific types of hardware. Only 3 simultaneous applications can be ran at a time. Ability to join Home Group. Improved taskbar abilities (Superbar) and Jump lists. Flavors of Windows 7 Slide 13: Windows 7 Home Basic: Only available in emerging markets. Missing Aero UI Tweaks. Windows 7 Home Premium: Available worldwide to OEMs and in retail. Includes Aero UI Tweaks (Screen Docking, Windows Peeking, etc). Multi-touch capabilities. Media capabilities (Media Center, Media Streaming). Handwriting Recognition. Slide 14: Windows 7 Professional: Available worldwide to OEMs and in retail. Includes all features of Premium. Enhanced networking abilities. Backing up Data and Encrypting Data. Data protection and advanced networking support. Mobility Center. Slide 15: Windows 7 Enterprise: Not available in retail or by OEMs, only available through volume licensing. Includes features of Professional Includes Advanced Data Protection and IT tools (Branch Cache, Bit Locker, AppLocker). · Improved Remote Access (without the need of VPN with Direct Access). Slide 16: Windows 7 Ultimate: Offered only as an add-on to Home Premium or Professional. Includes features from Enterprise. Features of Windows 7 : More personal: Redecorate your desktop with fun new themes, slide shows, or handy gadgets. Performance improvements: Designed to sleep and resume quicker, be less memory hungry, and spot USB devices faster. Play To: Play your media on other PCs, stereos, or TVs around the house. Remote Media Streaming: Enjoy music and video on your home PC—even when you\'re not at home. Windows Touch: Pair Windows 7 with a touch screen and you won't always need a keyboard or mouse. Features of Windows 7 User-Friendly GUI : Jump Lists Jump Lists provide users with quick access to a mini-Start menu containing lists of pictures, music, word documents or links that they use most frequently. User-Friendly GUI Slide 19: Libraries Instead of having all files and folders organized under the familiar Documents folder, Windows 7 features separate Libraries for specific content types such as contacts, documents, downloads, music, pictures and videos. Slide 20: Taskbar Peek This feature applies the Aero Peek technology to taskbar thumbnails. Slide 21: Aero Peek Aero Peek expands on Vista's Aero graphical interface. If you have many windows open, Peek brings the window you want to focus on to the front, while turning all other open windows into transparent "glass sheets." Slide 22: Sharing with HomeGroup Home Groups let you easily link Windows 7 computers on your home network to share pictures, music, videos, documents and devices such as a printer. Slide 23: Aero Snap Maneuvering between windows is a pain, and comparing the content of two windows side by side requires awkward resizing that never quite works. Slide 24: Federated search : Windows 7 supports searching for documents beyond the user’s own PC, as well as a preview of search results CONCLUSION : Windows 7 helps meet the needs of both end users and IT professionals, to make the things that people do today faster and easier . Windows 7 focused on delivering greater customer satisfaction in both big and small ways. CONCLUSION Slide 26: THANK YOU You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.