Computer Network
Computer: Ø An electronic machine that can store, find and arrange information, calculate amounts and control other machines. Ø A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations automatically. Modern digital electronic computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks. Network: Ø A network is a group of two or more computers or other electronic devices that are interconnected for the purpose of exchanging data and sharing resources. Ø A network consists of two or more computers that are linked in order to share resources (such as printers and CDs), exchange files, or allow electronic communications. The computers on a network may be linked through cables, telephone lines, radio waves, satellites, or infrared light beams. Ø A network is defined as the connection of at least two computer systems, either by a cable or a wireless