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COMMUNICATION SYSTEM AND COMPUTER NETWORK - Coggle Diagram
COMMUNICATION SYSTEM AND COMPUTER NETWORK
COMPUTER COMMUNICATIONS - Process in which two or more computers or devices transfer data, instructions, and information
WIRELESS MESSAGING SERVICE -
Text messaging - allows users to send and receive short text messages on a phone or other mobile device
Picture/video messaging allows users to send graphics, pictures, video clips, sound files, and short text messages
Wireless instant messaging allows wireless mobile devices to exchange messages
GLOBAL POSITIONING SYSTEM -
Navigation system that consists of one or more earth-based receivers
that accept and analyze signals sent by satellites
in order to determine the receiver’s geographic location.
-Collaboration is working with other users connected to a server
-Web conference Groupware is software that allows people work together and share information
-Voice mail is voice message converted to digital form
-Web services describe standardized software that enables programmers to create applications that communicate with other remote computers over the Internet or on an internal business network
NETWORK - Collection of computers and devices connected via communications devices and transmission media
WIDE AREA NETWORK - Network that covers large geographic area using many types of media
-A LAN is a network in limited geographical area such as home or office building
Wireless LAN (WLAN)
-Metropolitan area network (MAN) connects LANs in city or town
CLIENT NETWORK - One or more computers act as server and other computers, or clients, access server
PEER TO PEER NETWORK - Simple network that connects fewer than 10 computers
INTERNET PEER TO PEER - Sometimes called a file sharing network IT enables users to connect to each other’s hard disks and exchange files directly
RING NETWORK - Cable forms closed loop (ring), with all computers and devices arranged along ring. The data travels from device to device around entire ring, in one direction
INTRANET - Internal network that uses Internet technologies
COMMUNICATION SOFTWARE -
-Programs that help users establish connection to Internet, other network, or another computer
-Programs that help users manage transmission of data, instructions, and information
-Programs that provide an interface for users to communicate with one another
PUBLIC SWITCH TELEPHONE NETWORK - Worldwide telephone system that handles voice-oriented telephone calls
COMMUNICATION DEVICES
CABLE MODEM
Sends and receives data over cable television network
Much faster than dial-up modem or ISDN
Sometimes called a broadband modem
WIRELESS MODEM - Allows access to the Web wirelessly from a notebook computer, a smart phone, or other mobile device
WIRELESS ACCESS POINT - Central communications device that allows computers and devices to transfer data wirelessly among themselves or wirelessly to a wired network
ROUTER
Connects computers and transmits data to correct destination on network