Electronic mail, most commonly called email or e-mail since around 1993, is a method of exchanging digital messages from an author to one or more recipients. Email operates across the Internet or other .
In computing, a denial-of-service ( DoS) attack is an attempt to make a machine or network resource unavailable to its intended users, such as to temporarily or indefinitely interrupt or suspend services of a host connected to the Internet. A distributed denial-of-service ( DDoS) is where the attack source is more than one–and often thousands of-unique IP addresses.
Google is an American multinational technology company specializing in Internet-related services and products. These include online advertising technologies, search, cloud computing, and software.See: List of Google products. Most of its profits are derived from AdWords, an online advertising service that places advertising near the list of search results.
WhatsApp Messenger is a proprietary cross-platform, encrypted, instant messaging client for . It uses the Internet to send , documents, images, video, user location and audio messages to other users using standard cellular networktelephone number.
UUCP is an abbreviation of Unix-to-Unix Copy. The term generally refers to a suite of and protocol allowing remote execution of commands and transfer of file, email and netnews between .
A code is a rule for converting a piece of information (for example, a letter, word, phrase, or gesture) into another - usually shortened or covert - form or representation (one sign into another sign), not necessarily of the same type.