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PPD is a popular packaging format for drivers that accept Postscript data or PDF data as input. Due to dominance of select operating systems, the operating system–driver interface is more standardized than driver–printer interfaces. Hence there is more standardization in packaging formats of drivers than the actual functions performed by ...
Hewlett-Packard (HP) developed the first ScanJet in the mid-1980s at their printer division in Boise, Idaho. [4] [5] The ScanJet was released in March 1987, [6] as a compliment to their LaserJet series, which was the first commercially successful line of laser printers ever released, [7] introduced in 1984 and also developed at Boise.
Windows Vista faces backward compatibility problems with many of the games and utility programs that work in Windows XP. As of August 2007, there were about 2,000 applications that specifically carried the 'Vista Compatibility Logo', [3] although the majority of applications without the logo will run without any problems. This number is low ...
A new user-mode driver model called the User-Mode Driver Framework. In Windows Vista, WDDM display drivers have two components, a kernel mode driver (KMD) that is very streamlined, and a user-mode driver that does most of the intense computations. With this model, most of the code is moved out of kernel mode.
Drivers are shipped with Windows Vista since beta versions became available in mid-2006. It can also run Windows 7 's Aero interface since Intel released drivers for Windows 7 in mid-June 2009. The GMA 950 is integrated into many netbooks built on Intel 945GSE Express chipset, and is able to display a resolution up to 2048×1536 at 75 Hz ...
Windows Vista, an operating system released by Microsoft for consumers on January 30, 2007, has been widely criticized by reviewers and users. Due to issues with new security features, performance, driver support and product activation, it has been the subject of a number of negative assessments by various groups.
The 64-bit versions of Vista require that all new Kernel-Mode device drivers be digitally signed, so that the creator of the driver can be identified. [ 77 ] [ 78 ] This is also on par with one of the primary goals of Vista to move code out of kernel-mode into user-mode drivers, with another example bing the new Windows Display Driver Model .
The firmware of HP's ScanJet 5p image scanner contains an easter egg wherein, on a cold power-on, holding down the scan button when the SCSI ID selector on the back is set to "0" will cause the ScanJet to play a rendition of Schiller's "Ode to Joy", by modulating the speed of the audible stepper motor drive to produce specific pitches. [47] [48]