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  2. Content Scramble System - Wikipedia

    en.wikipedia.org/wiki/Content_Scramble_System

    CSS employs a stream cipher and mangles the keystream with the plain-text data to produce the cipher text. [7] The stream cipher is based on two linear-feedback shift register (LFSR) and set up with a 40-bit seed. Mangling depends on the type of operation. There are three types: the decryption of a disc- or title-key, the decryption of a Pack and

  3. Drop shadow - Wikipedia

    en.wikipedia.org/wiki/Drop_shadow

    The text label for icons on desktops in many desktop environments has a drop shadow, as this effect effectively distinguishes the text from any colored background it may be in front of. [1] A simple way of drawing a drop shadow of a rectangular object is to draw a gray or black area underneath and offset from the object.

  4. CSS - Wikipedia

    en.wikipedia.org/wiki/CSS

    To demonstrate specificity Inheritance Inheritance is a key feature in CSS; it relies on the ancestor-descendant relationship to operate. Inheritance is the mechanism by which properties are applied not only to a specified element but also to its descendants. Inheritance relies on the document tree, which is the hierarchy of XHTML elements in a page based on nesting. Descendant elements may ...

  5. Direct download link - Wikipedia

    en.wikipedia.org/wiki/Direct_download_link

    Direct download link (DDL), or simply direct download, is a term used within the Internet-based file sharing community. It is used to describe a hyperlink that points to a location within the Internet where the user can download a file.

  6. Free Download Manager - Wikipedia

    en.wikipedia.org/wiki/Free_Download_Manager

    Free Download Manager is proprietary software, but was free and open-source software between versions 2.5 [6] and 3.9.7. Starting with version 3.0.852 (15 April 2010), the source code was made available in the project's Subversion repository instead of being included with the binary package.

  7. FDM printing file formats - Wikipedia

    en.wikipedia.org/wiki/FDM_Printing_file_formats

    A key aspect of FDM printing is the use of specialized file formats that contain the data necessary to guide the printing process. These formats encode information about the 3D model, including its geometry, print settings and tool paths, [ 3 ] ensuring that the printer accurately recreates the digital design in physical form.

  8. DeCSS - Wikipedia

    en.wikipedia.org/wiki/DeCSS

    The CSS decryption source code used in DeCSS was mailed to Derek Fawcus before DeCSS was released. When the DeCSS source code was leaked, Fawcus noticed that DeCSS included his css-auth code in violation of the GNU GPL. When Johansen was made aware of this, he contacted Fawcus to solve the issue and was granted a license to use the code in ...

  9. Single-carrier FDMA - Wikipedia

    en.wikipedia.org/wiki/Single-carrier_FDMA

    Single-carrier FDMA (SC-FDMA) is a frequency-division multiple access scheme. Originally known as Carrier Interferometry , it is also called linearly precoded OFDMA ( LP-OFDMA ). Like other multiple access schemes (TDMA, FDMA, CDMA, OFDMA), it deals with the assignment of multiple users to a shared communication resource.