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List of file signatures. This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes. Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible.
Mobile access. This help page is a . It is possible to access and edit Wikipedia on multiple types of device, such as desktop computers, tablets and smartphones, through several different methods, including options for older devices, modern apps for various platforms and options to view content while offline. This is intended for those who want ...
List of steganography techniques. Steganography (/ˌstɛɡəˈnɒɡrəfi/ ⓘ STEG-ə-NOG-rə-fee) is the practice of representing information within another message or physical object, in such a manner that the presence of the information is not evident to human inspection. Generally, the hidden messages appear to be (or to be part of ...
Not After: The time and date past which the certificate is no longer valid. Key Usage: The valid cryptographic uses of the certificate's public key. Common values include digital signature validation, key encipherment, and certificate signing. Extended Key Usage: The applications in which the certificate may be used. Common values include TLS ...
PETs (PErsonal Terminals), the cell-phone-sized computers that store Net-Navis in Megaman Battle Network. The PETs also have other features, such as a cell phone, e-mail checker and hacking device. (2001) Thiefnet computer, Bentley the turtle's laptop from the Sly Cooper series (2002)
This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for duplex , bidirectional traffic.
Telephone number verification. Telephone number verification (or validation) services are online services used to establish whether a given telephone number is in service. They may include a form of Turing test to further determine if a human answers or answering equipment such as a modem, fax, voice mMail or answering machine .
ASCII codes represent text in computers, telecommunications equipment, and other devices. ASCII has just 128 code points, of which only 95 are printable characters, which severely limit its scope. The set of available punctuation had significant impact on the syntax of computer languages and text markup.