Telecommunications

What is Telecommunications? - answer-Communications and transmitting information electronically Telecommunications includes - answer-Transmitting data, text, pictures, voice and video over long distance Telecommunication can occur in a number of different ways - answer-1. Phone 2. Voice Mail 3. Cell Phone 4. Fax 5. Email 6. Instant Messaging Fax - answer-Fax is a document generated by facsimile machine Email - answer-Transmissions of Messages and files using a computer Social Networking Sites - answer-Websites that provide a virtual community in which people with a shared interest may communicate Telecommuting - answer-The Action of Working from home using a computer and tell communication Intranet - answer-A Company privet computer network E-Commerce/e-business - answer-Buying/ selling merchandise or conducting business on the internet Audio Conferencing - answer-Communication between three or more sites that are linked by a Voice only telecommunications medium. Video Conferencing - answer-Communication in Real Time via video with two or more people at different locations At The Hart of telecommunications is the ability to... - answer-Network computer computers At the hart of networks is the... - answer-Media through which communication flows: wires, telephone lines or wireless signals What is a Network? - answer-Group of 2 or more computers linked to the same system Some of the benefits of networking are... - answer-Instate Commutation. Shearing information and software Two Major Components of a network are... - answer-The Server and the Client Server: - answer-The Computer at the center of a network that manages network resources: More powerful than a desktop computer Client - answer-Any computer on a network that relies on the network for resources Online - answer-Ready to send or receive data Stand-alone computer - answer-not connected to a network Networks are classified by the type of coverage. There are two basic categories: Local area networks and wide area networks - answer-a. Local area network (LAN)-A network that spans.... A relativity small area B. Wide Area Network (WAN)- A network that... a network that more then one place can connect to WAN - answer-A popular WAN Used by large business is a VPN: Virtual Privet Network. A VPN is a privet network that uses a public network (Usually the internet to connect remote sights to or users together. Virtual Networks use a Internet connection, as opposed to a leased line There are Two Type of Categories of Media Used to connect computers to the internet: - answer-A Wired Media B. Wireless Media A Computer Needs A? - answer-Network interface card (NIC) To connect to a network or the internet Wired Media: - answer-There are three basic types of cabling that are used: Twisted pair, coazial, fiber optic. Twisted Pair Cable - answer-a technology that use glass or platic threads (or Platics) to transmit date. Fiber optics provides the betst quality but it is offensive to install and the cable is more fragile and difficult to spice