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.
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 .
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.
Nokia Corporation () (, , ) is a Finnish multinational communications corporation headquartered in Keilaniemi, Espoo, a city neighbouring Helsinki. Its principal products are mobile electronic devices, primarily and other communications devices. It also offers Internet services such as applications, games, music, maps, media and messaging through its Ovi platform, and free-of-charge digital map information and navigation services through its wholly owned subsidiary Navteq. Nokia has a joint venture with Si..
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.
Wireless is the transfer of information between two or more points that are not physically connected. Distances can be short, such as a few metres for television remote control, or as far as thousands or even millions of kilometres for deep-space radio communications. It encompasses various types of fixed, mobile, and portable , cellular telephone, (PDAs), and . Other examples of wireless technology include GPS units, or garage doors, wireless computer mice, keyboard and Headset, , , satellite televisi..
Hewlett-Packard Company or HP (styled as hp) is an American multinationalinformation technology corporation headquartered in Palo Alto, California, United States. It provides hardware, software and services to consumers, small- and medium-sized businesses (SMBs) and large enterprises, including customers in the government, health and education sectors.
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 .
