Chapter 1- Introduction to Computer Networks and Data Communications

Computer Network - Answer An interconnection of computers and computing equipment that uses either wires or radio waves over small or large geographic areas. Wireless - Answer A shorthand term often used to denote the transmission of signals without the use of wires. Personal Area Network (PAN) - Answer A network that involves wireless transmissions over a short distance, such as a few meters. Local Area Network (LAN) - Answer A communication network that interconnects a variety of data communication devices within a small geographic area and broadcasts data at high data transfer rates with very low error rates. Metropolitan Area Network (MAN) - Answer A network that serves an area of 3 to 30 miles - approximately the area of a typical city. Wide Area Network - Answer Interconnection of computers and computer related equipment that performs a given function or functions, typically uses local and long-distance telecommunications systems, and can encompass parts of states, multiple states, countries, and even the world. Data Communications - Answer The transfer of digital or analog data using digital or analog signals. Multiplexing - Answer Transmitting multiple signals on one medium at essentially the same time. Compression - Answer The process of manipulating data such that it fits into a more compact space. Voice Network - Answer A type of network that is designed to support standard telephone calls. Data Network - Answer An interconnection of computers that is designed to transmit computer data. Convergence - Answer The coming together of multiple communication concepts to form a singl