Networks

Descripción

1º de Bachillerato IB Computer Science Fichas sobre Networks, creado por Beatriz Aguilar Barreda el 31/03/2017.
Beatriz Aguilar Barreda
Fichas por Beatriz Aguilar Barreda, actualizado hace más de 1 año
Beatriz Aguilar Barreda
Creado por Beatriz Aguilar Barreda hace más de 7 años
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Resumen del Recurso

Pregunta Respuesta
bus topology Computer network in which a "bus" connects all the devices together through a common cable
cable Copper wire (usually coaxial and twisted pair) and fibre (fibre optic cable-made from glass). Cables allow for the connection of computers over a network.
check digit Extra digit added to numerical data that is used to check data integrity after input, transmission, storage and processing.
data integrity The accuracy of data after input, transmission, storage or processing.
check sum Error-detecting procedure that generates a sum from the digits of a number.
data packet Portion of a message that is transmitted through a network. Contains data such as check digits and destination address.
gateway Link that resides between computer networks and is responsible for converting data passing through into the appropriate format so it can be understood by the receiving network.
handshaking Exchange of predetermined signal to signify that a connection has been established between two systems.
hub Network connection point for devices. Data arriving at a hub is copied and send to all the devices on the network.
ISDN (integrated services digital network) International communications standard that allows for the transmission of audio/video and other data over digital telephone lines.
local area network Computer network where all the connected computers are within a limited geographical area. Connection between the computers may be through cables and/or microwave transmission.
microwave transmission Electronic communication without the need for cables.
modem (abbreviation of modulator/demodulator) Electronic equipment that converts computer digital signals into audio signals and back. The audio signals are transmitted over telephone lines, which allows for distant communication.
network Computer systems that are interconnected and can share resources and data.
packet Group of bits. May include control signals, error control bits, coded information, as well as the destination for the data.
packet switching Network communication method that creates and transmits small units of data, called packets, through a network, independently of the overall message.
networking Making use of a network
parity bit Error-detecting procedure that appends a binary digit to a group of binary digits. The sum of all the digits, including the appended binary digit, establishes the accuracy of the data after input, transmission, storage or processing.
protocol International rules that ensure the transfer of data between systems. A protocol is recognized as the standard for a specific type of transfer is called standard protocol. For example: TCP/IP is a standard protocol.
TCP/IP Communications protocols used to connect hosts on the Internet
Wide Area Network Computer network where all the connected computers are in a larger geographic area than that served by a LAN or a MAN (Metropolitan area network)
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