Answer:
1. 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.
2. A local area network is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building.
3. A wide area network is a telecommunications network that extends over a large geographic area for the primary purpose of computer networking.
4.a global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.
