Key words for module 5
Terms
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- Ring network topology
- a network where the computer are connected together to form a circle or ring
- Standalone
- if the computer is not connected to any other computer
- Bandwidth
- the maximum amount of data that can travel over a given data transmission channel in a given amount of time
- Passwords
- security device consisting a set of letters and numbers known only to the user that allow access to a computer system
- bulletin board
- part of website where mesages can be posted and read
- digital signal
- consist of only two states, on and off (0 and 1)
- Switch
- has a numbers of ports and it stores the adress of all devices,same as hub but more intellegent
- Bus network topology
- a network where there is a single cable with the computer connected directly to it
- Network
- system that consist of two or more computer connected together so that they can communicate
- Repeater
- used to strength a signal
- Wireless access point
- device that will send and recieve wireless signal - connected by cable and positioned
- Modem
- a piece of hardware that converts digital signal to analogue signal and back again
- Bridge
- connect and passes packets between two network that use same protocol
- Star network topology
- a network where each computer has its own connection to a central point usually hub or switch
- teleconferencing
- is where there is real-time interaction between people without video ie. chat rooms
- Peer to peer network
- all the connected computer are of equal status
- Gateway
- connect and passes packets between two network that use different protocol
- Protocol
- a set of rules that allows communication between computers
- Network interface card
- this allow the device to be physically connecteed to the network
- Router
- a device that route information between network that use the same topology
- Hub
- a concentrator that join lots of computer to the netwoork through single link
- File transfer protocol
- for uploads and downloads file from the internet
- Fax
- means of transmitting text and graphic documents over the telephone network
- Client-server network
- network has one powerful controlling computer - server
- video conferencing
- conducting a meeting with people who are geographically remote through the use of video/sound equipment
- analogue signal
- consist of a continuously varying voltage
- Topology
- a layout - plan of how the physical device within a network are connected together