Features of windows 7
Themes
Support for themes has been extended in Windows7
Desktop Slideshow
Gadgets
Windows Explorer's revised user interface
Start menu
The search results pane in Windows 7
The default taskbar of Windows 7.
Pinned applications
Thumbnail previews
Windows Media Player Jump List.
Task progress
Notification area
Window management mouse gestures
Aero Shake
Font managemen
Devices and Printers
The new Devices and Printers Control Panel. Custom icons can be downloaded via the Internet.
Devices and Printers is a new Control Panel interface that is directly accessible from the Start menu.
Mobility enhancements
Multi-touch support
Sensors
Windows 7 introduces native support for sensors, including accelerometer sensors, ambient light sensors, and location-based sensors; the operating system also provides a unified driver model for sensor devices.A notable use of this technology in Windows 7 is the operating system's adaptive display brightness feature, which automatically adjusts the brightness of a compatible computer's display based on environmental light conditions and factors. Gadgets developed for Windows 7 can also display location-based information. Applications for certain sensor capabilities can be developed without the requisite hardware.
Power management
Power analysis and reporting
USB suspension
Windows 7 can individually suspend USB hubs and supports selective suspend for all in-box USB class drivers.[56]
DirectX
Desktop Window Manager
First introduced in Windows Vista, the Desktop Window Manager (DWM) in Windows 7 has been updated to use version 10.1 of Direct3D API, and its performance has been improved significantly.
File system
Finally, partitions made with Windows 7's partition-creating tools are created with the SSD's alignment needs in mind, avoiding unwanted systematic write amplification.[67]
Disk partitioning
By default, a computer's disk is partitioned into two partitions: one of limited size for booting, BitLocker and running the Windows Recovery Environment and the second with the operating system and user files.
Removable media
Windows 7 has also seen improvements to the Safely Remove Hardware menu, including the ability to eject just one camera card at the same time (from a single hub) and retain the ports for future use without reboot; and the labels of removable media are now also listed, rather than just the drive letter.Windows Explorer now by default only shows memory card reader ports in My Computer if they contain a card.
BitLocker to Go
BitLocker brings encryption support to removable disks such as USB drives. Such devices can be protected by a passphrase, a recovery key, or be automatically unlocked on a computer.
Boot performance
According to data gathered from the Microsoft Customer Experience Improvement Program (CEIP), 35% of Vista SP1 installations boot up in 30 seconds or less. The more lengthy boot times on the remainder of the machines are mainly due to some services or programs that are loaded but are not required when the system is first started. Microsoft's Mike Fortin, a distinguished engineer on the Windows team, noted in August 2008 that Microsoft has set aside a team to work solely on the issue, and that team aims to "significantly increase the number of systems that experience very good boot times". They "focused very hard on increasing parallelism of driver initialization". Also, Microsoft aims to "dramatically reduce" the number of system services, along with their demands on processors, storage, and memory.
Multimedia
Windows Media Center
Windows Media Center in Windows 7 has retained much of the design and feel of its predecessor, but with a variety of user interface shortcuts and browsing capabilities.Playback of H.264 video both locally and through a Media Center Extender (including the Xbox 360) is supported.
Format support
Windows 7 includes AVI, WAV, AAC/ADTS file media sinks to read the respective formats, an MPEG-4 file source to read MP4, M4A, M4V, MP4V MOV and 3GP container formats and an MPEG-4 file sink to output to MP4 format. Windows 7 also includes a media source to read MPEG transport stream/BDAV MPEG-2 transport stream (M2TS, MTS, M2T and AVCHD) files.
Security
Action Center, formerly Windows Security Center, now encompasses both security and maintenance. It was called Windows Health Center and Windows Solution Center in earlier builds.
The Encrypting File System supports
Networking
DirectAccess,
Bluetooth 2.1+EDR support and remote wake from S3 or S4 support for self-powered Bluetooth modules
NDIS 6.20 (Network Driver Interface Specification)
Wireless Hosted Network capabilities
RDP 7.0
Background Intelligent Transfer Service
HomeGroup as a concept is very similar to a feature slated for Windows Vista, known as Castle, which would have made it possible to have an identification service for all members on the network, without a centralized server.
Communication between HomeGroup computers is encrypted with a pre-shared password.
HomeGroup
Windows Firewall
DNSSEC
Other changes
Support for color depths of 30 and 48 bits is included, along with the wide color gamut scRGB (which for HDMI 1.3 can be converted and output as xvYCC). The video modes supported in Windows 7 are 16-bit sRGB, 24-bit sRGB, 30-bit sRGB, 30-bit with extended color gamut sRGB, and 48-bit scRGB.
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