Spam is unsolicited e-mail on the Internet, spam is a form of bulk mail.
A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes. Viruses can also replicate themselves.
The Internet is a global network connecting millions of computers. More than 190 countries are linked into exchanges of data, news and opinions.
An intranet is a private network that is contained within an enterprise. It may consist of many interlinked local area networks and also use leased lines in the wide area network. Typically, an intranet includes connections through one or more gateway computers to the outside Internet. The main purpose of an intranet is to share company information and computing resources among employees. An intranet can also be used to facilitate working in groups and for teleconferences.
A web hosting service is a type of Internet hosting service that allows individuals and organizations to make their website accessible via the World Wide Web.
* File server: a computer and storage device dedicated to storing files. Any user on the network can store files on the server. * Print server: a computer that manages one or more printers, and a network server is a computer that manages network traffic. * Database server: a computer system that processes database queries.
Short for HyperText Transfer Protocol, HTTP is the underlying protocol used by the World Wide Web. HTTP defines how messages are formatted and transmitted, and what actions Web servers and browsers should take in response to various commands.
The File Transfer Protocol (FTP) is a standard network protocol used to transfer computer files between a client and server on a computer network.
An Internet Protocol address (IP address) is a numerical label assigned to each device (e.g., computer, printer) participating in a computer network that uses the Internet Protocol for communication. An IP address serves two principal functions: host or network interface identification and location addressing.
A router is a device that forwards data packets along networks. A router is connected to at least two networks, commonly two LANs or WANs or a LAN and its ISP's network. Routers are located at gateways, the places where two or more networks connect.
Short for modulator-demodulator. A modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines.
Short for binary digit, the smallest unit of information on a machine.
BIOS (basic input/output system) is the program a personal computer's microprocessor uses to get the computer system started after you turn it on. It also manages data flow between the computer's operating system and attached devices such as the hard disk, video adapter, keyboard, mouse and printer.
A firewall is a network security system, either hardware- or software-based, that controls incoming and outgoing network traffic based on a set of rules.
Hacker is a term used by some to mean "a clever programmer" and by others, especially those in popular media, to mean "someone who tries to break into computer systems."
A cracker is someone who breaks into someone else's computer system, often on a network; bypasses passwords or licenses in computer programs; or in other ways intentionally breaches computer security.