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  2. ASCII - Wikipedia

    en.wikipedia.org/wiki/ASCII

    ASCII (/ ˈ æ s k iː / ⓘ ASS-kee), [3]: 6 an acronym for American Standard Code for Information Interchange, is a character encoding standard for electronic communication. . ASCII codes represent text in computers, telecommunications equipment, and other devic

  3. Help:URL - Wikipedia

    en.wikipedia.org/wiki/Help:URL

    Even though PHP's urlencode() automatically percent-encodes them, ... (de is the language code for German). Registered users can set their language at Special: ...

  4. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_Code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...

  5. Data source name - Wikipedia

    en.wikipedia.org/wiki/Data_source_name

    a user password for data access (if required) The system administrator of a client machine generally creates a separate DSN for each relevant data source. Standardizing DSNs offers a level of indirection; various applications (for example: Apache/PHP and IIS/ASP) can take advantage of this in accessing shared data sources.

  6. HTTP 404 - Wikipedia

    en.wikipedia.org/wiki/HTTP_404

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Help; Learn to edit; Community portal; Recent changes; Upload file

  7. Timeline of computing 1950–1979 - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_computing_1950...

    It was opened to non-military users later in the 1970s including many universities. The NPL network began operating in the same year. 1969: US Development of UNIX operating system begun. [30] It was later released as C source code to aid portability, and subsequently versions are obtainable for many different computers, including the IBM PC.

  8. User experience - Wikipedia

    en.wikipedia.org/wiki/User_experience

    User experience (UX) is how a user interacts with and experiences a product, system or service. It includes a person's perceptions of utility, ease of use, and efficiency. Improving user experience is important to most companies, designers, and creators when creating and refining products because negative user experience can diminish the use of ...

  9. User space and kernel space - Wikipedia

    en.wikipedia.org/wiki/User_space_and_kernel_space

    The term user space (or userland) refers to all code that runs outside the operating system's kernel. [2] User space usually refers to the various programs and libraries that the operating system uses to interact with the kernel: software that performs input/output , manipulates file system objects, application software , etc.