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  2. Product key - Wikipedia

    en.wikipedia.org/wiki/Product_key

    Product key on a Proof of License Certificate of Authenticity for Windows Vista Home Premium. A product key, also known as a software key, serial key or activation key, is a specific software-based key for a computer program.

  3. Buying a used appliance? Check for a serial number - AOL

    www.aol.com/news/buying-used-appliance-check...

    If you're looking to save money, you often look for a used appliance, but before you buy, make sure the appliance you're buying still has the serial numbers on the unit.

  4. Serial number - Wikipedia

    en.wikipedia.org/wiki/Serial_number

    Serial number of a laptop computer. In smartphones, serial numbers are extended to the integrated components in addition to the electronic device as a whole, also known as serialization. This gives unique individual parts such as the screen, battery, chip and camera a separate serial number. This is queried by the software for proper release ...

  5. CPUID - Wikipedia

    en.wikipedia.org/wiki/CPUID

    For Intel Pentium III CPUs, the serial number is returned in the EDX:ECX registers. For Transmeta Efficeon CPUs, it is returned in the EBX:EAX registers. And for Transmeta Crusoe CPUs, it is returned in the EBX register only. Note that the processor serial number feature must be enabled in the BIOS setting in order to function.

  6. Product activation - Wikipedia

    en.wikipedia.org/wiki/Product_activation

    A product key is required to proceed and use Windows 95. In one form, product activation refers to a method invented by Ric Richardson and patented (U.S. patent 5,490,216) by Uniloc where a software application hashes hardware serial numbers and an ID number specific to the product's license (a product key) to

  7. Windows Genuine Advantage - Wikipedia

    en.wikipedia.org/wiki/Windows_Genuine_Advantage

    Through Windows Genuine Advantage, Microsoft collects the following data: [13] [14] Computer make and model; BIOS checksum, make, version, and date; MAC address; Globally unique identifier (GUID), a number WGA assigns to the Windows installation; Hard disk drive serial number; Windows version, product ID (PID), and localization

  8. Sequence number - Wikipedia

    en.wikipedia.org/wiki/Sequence_number

    A sequence number is a consecutive number in a sequence of numbers, usually of real integers (natural numbers).Sequence numbers have many practical applications. They can be used, among other things, as part of serial numbers on manufactured parts, in case management, [1] or in databases as a surrogate key for registering and identifying unique entries in a table [2] [3] (in which case it is ...

  9. Volume (computing) - Wikipedia

    en.wikipedia.org/wiki/Volume_(computing)

    The volume serial number is a 32-bit number determined by the date and time on the real-time clock on the current computer at the time of a disk's formatting. Previously, determination by the OS of whether a disk was swapped was done by reading the drive's volume label. However, even at that time the volume label was not required to be unique ...