The symbol of the chemical element tin.
serial number
initials
SN code is the serial number and ID number of the product, also known as machine code, authentication code, registration application code, etc.
Classified as: software SN code, online game SN code, TCP SN code and mobile phone SN code.
SN code is the abbreviation of serial number, also called SerialNo, which is the serial number of the product. Product serial number is to verify the concept of "legal identity of products" and to protect the legitimate rights and interests of users and obtain legal services. A set of genuine products only corresponds to a set of product serial numbers. Also called: machine code, authentication code, registration application code, etc.
Software: SN code, also known as "machine code", is a protective measure to prevent software piracy. When a user registers, it becomes a unique identification code according to the computer software and hardware information installed by the user's software, which is called machine code, serial number, authentication code, registration application code, etc.
Online game SN code, also known as novice serial number, is a "gift" given to players by online game companies to successfully promote online games.
In network analysis, successfully understanding the changing trend of TCP serial number and acknowledgement number is helpful for us to learn TCP protocol and eliminate communication faults, such as checking serial number and acknowledgement number to determine whether data transmission is faulty.
SN code of mobile phone is short for IMEI code. IMEI is TAC+FAC+SNR+SP. Imei (International Mobile Equipment Identification Code) is the abbreviation of International Mobile Equipment Identification Code. The international mobile equipment identification code is an "electronic serial number" consisting of 15 digits, which corresponds to each mobile phone one by one, so it should be unique in the world.