Comparison of Windows 7 & Windows 8

• 1. Differences between Windows 7 & Windows 8

2. 2011Ecs32-34-48-49 3. WINDOWS EVOLUTION Windows 1.0 in 1985,achieved little popularity and was to compete with Apple's OS released in 1984 Then windows 2.0 in 1987 ,popular than windows 1.0 In 1995 Windows 9x introduced. Three family on kernel basis: DOS based NT Kernel based CE based 4. Initial release October 26, 2012 License Proprietary commercial software Kernel type Hybrid Update method Windows Update Platform support IA-32, x64, and ARM Preceded by Windows 7 (2009) 5. EDITIONS Windows 8 is available in four editions: Windows 8 Windows 8 Pro Windows 8 Enterprise Windows RT 6. Criteria Minimum Processor 1 GHz clock rate IA-32 or x64 architecture Memory(RAM) IA-32 edition: 1 GB x64 edition: 2 GB Graphics Card DirectX 9 graphics device WDDM 1.0 or higher driver Display Screen 1024768 pixels Input Device Keyboard and mouse Hard Disk Space IA-32 edition: 16 GB x64 edition: 20 GB HARDWARE REQUIREMENTS OF 7. Windows 7 and Windows 8 both uses Multilevel Feedback Queue as a scheduling algorithm. It further uses Round Robin and Priority scheduling inside. Processes can be assigned one of three priority levels: Real Time, Kernel, or Time Shared. SCHEDULING ALGORITHMS 8. The Ostrich Algorithm is used by both Win 7 & Win 8. Deadlock Detection is being done by Driver Verifier & !deadlock kernel debugger extension. Bug Check 0xC4 (DRIVER_VERIFIER_DETECTED_VIOLATION DEADLOCK HANDLING 9. vs 10. Metro-Style User-Interface. Start button replaced by the Start screen, a horizontally stacked, live browsable tiles. Control Panel is missing from Start-Menu. START-SCREEN 11. Improved Multiple Monitor Options. More than one monitor with their desktops. Start Screen at one monitor & desktop in another. MULTIPLE MONITOR SUPPORT 12. Windows 7 uses 6.1 version of Windows NT Kernel. Windows 8 uses 6.2 version of Windows NT Kernel. KERNEL LEVEL 13. Search o Available through Search charm + Start Screen o Start typing and the results are on screen for programs and files. 14. Cloud integration in Windows 8 is representing synchronized data for a SkyDrive which interface settings between PCs browsing & other photos which is being shared among multiple platform. CLOUD INTEGRATION 15. Windows 8 supports a feature of the UEFI specification known as "Secure boot. Trusted boot calls for launching anti-malware before the operating system itself boots SECURE BOOT , TRUSTED BOOT 16. Windows 8 has an antivirus present inside the kernel of the operating system. System wont boot if a corrupt USB device is plugged in. Windows 7 doesnt have built in features, one must install an antivirus for achieving the same. BUILT IN ANTIVIRUS 17. Windows Explorer, which has been renamed File Explorer, now includes a ribbon in place of the command bar. This Ribbon in Explorer makes file management faster. FILE EXPLORER 18. When Windows 8 gets corrupted, users now have two options: refresh and reset. Refresh: Retains your customizations and re- installs window in-place. Reset: Resets your installation to its initial state. It deletes all your personal data and software. SYSTEM RECOVERY 19. Pausing while copying & multiple copying at a time. Graphical statistical view of data transfer rate DATA TRANSFER CONFIRMATION DIALOG BOX Note:-Displays Image Resolution Conflict Dialog Box if conflict occurs. 20. Only lists currently running applications. Doesnt prompt users to confirm when ending a task For advanced users, a more in-depth task manager can be opened by clicking on more details. NEW TASK MANAGER 21. Metered Internet Connection: Metered Internet Connection control to manage amount of data used. No ad-hoc Network: Can not create ad-hoc but still able to connect to such networks. NETWORK DIFFERENCES 22. System tray icon and notification balloons replaced by messages shown on the login and lock screens. NOTIFICATIONS 23. Media Center is available as a paid add-on to Windows 8 Pro. WINDOWS MEDIA CENTER RECENT DOCUMENTS No place for Recent Documents, use Search in Charms to find documents. 24. The Windows 7 option of creating back-up and restore in any drive has been replaced by File History. WINDOWS BACK-UP & RESTORE 25. IE 10 is included as both a desktop program and a touch-optimized app. Supports HTML5, CSS3, and hardware acceleration. METRO INTERNET EXPLORER 26. BLUE SCREEN OF DEATH BSoD has been improved with less error codes. The Blue screen of Death in 27. Windows 7 supports NTFS, FAT16, FAT32, HPFS, along with network file systems. Windows 8 introduced a new ReFS (Resilient File System), which replaces the traditional NTFS file system. Less prone to crash and errors. SUPPORTED FILE SYSTEM 28. Integrates a built-in USB 3.0 support including USB 2.0 & USB 1.0 Easily create virtual USB drives and transfer data 10 times faster than the earlier USB 2.0 functionality USB SUPPORT 29. ISO MOUNTING Mount ISO Images without a problem. Rely NOT on third-party tools for creating virtual disk drives for partitions or ISO images files. No more DVD or CD burning as in Windows 7. 30. Windows 8 include a faster startup through UEFI integration and the new "Hybrid Boot" mode. Windows 7 boots in 27 seconds Windows 8 boots in 18 seconds HYBRID BOOT 31. SoC & ARM Support: Windows 7 is Compatible & Supportive for x86 processors. Windows 8 now integrates a built-in support for SoC structural designs and ARM based devices. ADDITIONAL & SWAPPED-OUT FEATURES 32. ADDITIONAL & SWAPPED-OUT FEATURES 33. Picture Password: ADDITIONAL & SWAPPED-OUT FEATURES 34. ADDITIONAL & SWAPPED-OUT FEATURES Windows 8 Charms: 35. ADDITIONAL & SWAPPED-OUT FEATURES The Aero Glass theme Metro-style theme Theme: 36. Flip 3D Modern UI app switcher ADDITIONAL & SWAPPED-OUT FEATURES Flip 3D vs. App Switcher 37. ADDITIONAL & SWAPPED-OUT FEATURES 38. Gadgets: Popular desktop widgets will be no longer available as a part of Windows sidebar. ADDITIONAL & SWAPPED-OUT FEATURES 39. Windows Store Run within a new set of APIs known as the Windows Runtime. Offer both desktop and Modern UI apps, both free and paid. ADDITIONAL & SWAPPED-OUT FEATURES 40. REVIEW Windows Evolution Windows 7 vs Windows 8 Fixing Windows 8 annoying features Comments Technical Information Supported File System Hardware Requirements Physical Memory Limits Features 41. http://www.zdnet.com/blog http://www.techrepublic.com/blog Windows 8 for Dummies http://www.windows.microsoft.com http://www.msdn.microsoft.com References 42. Prepared by