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2. Buck converter - Wikipedia

   en.wikipedia.org/wiki/Buck_converter

   A buck converter or step-down converter is a DC-to-DC converter which decreases voltage, while increasing current, from its input to its output . It is a class of switched-mode power supply . Switching converters (such as buck converters) provide much greater power efficiency as DC-to-DC converters than linear regulators , which are simpler ...

3. List of PDF software - Wikipedia

   en.wikipedia.org/wiki/List_of_PDF_software

   Microsoft Edge licenses several Adobe features and branding within its PDF viewer. MuPDF: Proprietary/AGPL: PDF conversion and rendering with anti-aliased graphics. Okular: GNU GPL: Universal viewer by KDE. PDF.js: Apache License 2.0: A JavaScript library to convert PDF files into HTML5, usable as a web-based viewer that can be included in web ...

4. Aspect ratio (image) - Wikipedia

   en.wikipedia.org/wiki/Aspect_ratio_(image)

   Aspect ratio (image) The aspect ratio of an image is the ratio of its width to its height. It is expressed as two numbers separated by a colon, width:height. Common aspect ratios are 1.85:1 and 2.40:1 in cinematography, 4:3 and 16:9 in television, and 3:2 in still photography.

5. Adobe Acrobat - Wikipedia

   en.wikipedia.org/wiki/Adobe_Acrobat

   Acrobat Messenger is a document utility for Acrobat users that was released by Adobe Systems in 2000 to convert paper documents into PDF files that can be e-mailed, faxed, or shared online. Acrobat Reader Touch is a free PDF document viewer developed and released on December 11, 2012, by Adobe Systems for the Windows Touch user interface.

6. Display resolution standards - Wikipedia

   en.wikipedia.org/wiki/Display_resolution_standards

   A display resolution standard is a commonly used width and height dimension (display resolution) of an electronic visual display device, measured in pixels. This information is used for electronic devices such as a computer monitor. Certain combinations of width and height are standardized (e.g. by VESA [ 1 ][ 2 ]) and typically given a name ...

7. Kilobyte - Wikipedia

   en.wikipedia.org/wiki/Kilobyte

   Kilobyte. The kilobyte is a multiple of the unit byte for digital information. The International System of Units (SI) defines the prefix kilo as a multiplication factor of 1000 (10 3); therefore, one kilobyte is 1000 bytes. [1] The internationally recommended unit symbol for the kilobyte is kB. [1]