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2. Enlarge or reduce the font size on your web browser

   help.aol.com/articles/how-do-i-enlarge-or-reduce...

   If the size of the text on your screen is too hard to read comfortably, you can easily change it. Learn how to make the font bigger or smaller on your web browser.

3. Lossless compression - Wikipedia

   en.wikipedia.org/wiki/Lossless_compression

   In fact, if we consider files of length N, if all files were equally probable, then for any lossless compression that reduces the size of some file, the expected length of a compressed file (averaged over all possible files of length N) must necessarily be greater than N. [citation needed] So if we know nothing about the properties of the data ...

4. PDF - Wikipedia

   en.wikipedia.org/wiki/PDF

   PDF 2.0 defines 256-bit AES encryption as the standard for PDF 2.0 files. The PDF Reference also defines ways that third parties can define their own encryption systems for PDF. PDF files may be digitally signed, to provide secure authentication; complete details on implementing digital signatures in PDF are provided in ISO 32000-2.

5. Image file format - Wikipedia

   en.wikipedia.org/wiki/Image_file_format

   The PNG (Portable Network Graphics) file format was created as a free, open-source alternative to GIF. The PNG file format supports 8-bit (256 colors) paletted images (with optional transparency for all palette colors) and 24-bit truecolor (16 million colors) or 48-bit truecolor with and without alpha channel – while GIF supports only 8-bit ...

6. CPU cache - Wikipedia

   en.wikipedia.org/wiki/CPU_cache

   A CPU cache is a hardware cache used by the central processing unit (CPU) of a computer to reduce the average cost (time or energy) to access data from the main memory. [1] A cache is a smaller, faster memory, located closer to a processor core, which stores copies of the data from frequently used main memory locations.

7. Boeing B-50 Superfortress - Wikipedia

   en.wikipedia.org/wiki/Boeing_B-50_Superfortress

   The B-50, with more powerful engines than the KB-29s in use by Tactical Air Command (TAC), was much more suitable to refuel tactical jet fighter aircraft, such as the F-100 Super Sabre. As tankers, KB-50s had extensively reinforced outer wing panels, the necessary equipment to air-refuel simultaneously three fighter-type aircraft by the probe ...