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  2. Universal integrated circuit card - Wikipedia

    en.wikipedia.org/wiki/Universal_integrated...

    The universal integrated circuit card (UICC) is the physical smart card (integrated circuit card) used in mobile terminals in 2G , 3G , 4G , and 5G networks. The UICC ensures the integrity and security of all kinds of personal data, and it typically holds a few hundred kilobytes.

  3. List of spreadsheet software - Wikipedia

    en.wikipedia.org/wiki/List_of_spreadsheet_software

    Both free and paid versions are available. It can handle Microsoft Excel .xls and .xlsx files, and also produce other file formats such as .et, .txt, .csv, .pdf, and .dbf. It supports multiple tabs, VBA macro and PDF converting. [10] Lotus SmartSuite Lotus 123 – for MS Windows. In its MS-DOS (character cell) version, widely considered to be ...

  4. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS.It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).

  5. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    SDK—Software Development Kit; SDL—Simple DirectMedia Layer; SDN—Service Delivery Network; SDP—Session Description Protocol; SDR—Software-Defined Radio; SDRAM—Synchronous Dynamic Random-Access Memory; SDSL—Symmetric DSL; SE—Single Ended; SEI—Software Engineering Institute; SEO—Search Engine Optimization; SFTP—Secure FTP

  6. International Mobile Equipment Identity - Wikipedia

    en.wikipedia.org/wiki/International_Mobile...

    The Software Version Number (SVN) of a mobile is not included in the calculation. The purpose of the Check Digit is to help guard against the possibility of incorrect entries to the CEIR and EIR equipment. The presentation of the Check Digit both electronically and in printed form on the label and packaging is very important.

  7. Smart card management system - Wikipedia

    en.wikipedia.org/wiki/Smart_card_management_system

    During the smart card lifecycle, the smart card is changing state (examples of such states include issued, blocked and revoked), the process of taking a smart card from one state to another, is the main responsibility of a smart card management system. Different smart card management systems call these processes by different names.

  8. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    A typical circuit board would implement a single 4 input "NAND" gate. Of the myriad of cards in the system - many were dedicated diagnostic gates. The diagnostic software had a very high (95% +) success rate identifying a single failing card. The success rate dropped quickly thereafter. Drifting Voltage Regulator cards caused a lot of angst.

  9. Telephone card - Wikipedia

    en.wikipedia.org/wiki/Telephone_card

    A telephone card, calling card or phone card for short, is a credit card-size plastic or paper card used to pay for telephone services (often international or long-distance calling). It is not necessary to have the physical card except with a stored-value system; knowledge of the access telephone number to dial and the PIN is sufficient.