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  1. What Is a Unique Identifier (UID), and Why Is It Important?

    Dec 1, 2025 · A unique identifier (UID) is a sequence of characters or numbers that distinguishes a specific entity from others. UIDs are present and valuable in various fields for determining …

  2. Unique identifier - Wikipedia

    A unique identifier (UID) is an identifier that is guaranteed to be unique among all identifiers used for those objects and for a specific purpose. [1] The concept was formalized early in the …

  3. What Is the UID Number for U.S. Immigration? - LegalClarity

    Aug 9, 2025 · A Unique Identification (UID) number in U.S. immigration is an internal tracking number primarily used by agencies like U.S. Citizenship and Immigration Services (USCIS) …

  4. What is a unique identifier (UID)? | Definition from TechTarget

    Sep 4, 2024 · A Universally Unique Identifier (UUID) is a 128-bit hexadecimal number used to uniquely identify data objects or entities on the internet. There is no central UUID issuing …

  5. UID Full Form: Meaning, Uses, and Examples Explained - Vedantu

    In the context of the Aadhaar card, UID refers to the Unique Identification Number, a 12-digit number assigned to each individual enrolled in the Aadhaar system.

  6. What Does UID Stand For? Understanding Unique Identifiers

    A UID is a unique code—either numeric or alphanumeric—that serves as a serial number for products, assets, or records. These identifiers are widely used in RFID systems, inventory …

  7. What is a Unique Identifier (UID)? What is It for? - Camcode

    Feb 12, 2025 · What is a unique identifier (UID)? The UID is a program to provide better accountability for their tangible assets. Learn more about UIDs.

  8. UID - Serverspace.io

    Feb 4, 2025 · A UID (Unique Identifier) is a unique identifier used to distinguish objects, users, or entities within a system. A UID can be a numeric, string, or mixed-value identifier that is …

  9. Understanding Unique Identifiers: What Is A UID?

    Jun 10, 2024 · UUID, or Universally Unique Identifier, is a 128-bit number used to uniquely identify information in computer systems. Unlike traditional methods of identification, such as serial …

  10. Understanding Of UID: What is UID and why is it important?

    A chip’s UID is a unique serial number that uniquely identifies each chip that is manufactured. It is usually embedded in the chip during the manufacturing process and is permanently associated …