Flashcards
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Flashcards do conjunto (23)
- 1WANWide Area Network
- 2LANLocal Area Network
- 3An IntranetA private network operated by large companies and organisations. It provides similair services to the internet but they are only available to the company or organisanisation.
- 4An ExtranetAn extranet is an intranet that is accessible to people from outside the company, or possibly shared by more than one organisation.
- 5Star NetworkAll the computers are connected to a central hub. Each computer has its own cable so if one breaks the network can carry on working.
- 6Ring NetworkThe computers are connected in a loop. Often used in a peer to peer network as no computer is more powerful than the rest.
- 7Bus NetworkMost simple type of network. If the main cable is damaged the whole network cannot be used.
- 8World Wide WebThe collection of multimedia information resources available on the internet.
- 9BridgeConnects a LAN to another LAN
- 10SwitchA device that filters data packets and forwards them between segments of the network
- 11GatewayA system that allows a LAN to connect WAN such as the internet
- 12Router (generally located at gateways)A device that forwards data packets along a network. They determine the best path for forwarding the packets, by communicating with other routers
- 13Network interface card (NIC)Computer hardware, generally installed inside the computer or peripheral, that allows devices to connect to a wired network
- 14PeripheralsPeripheral devices are hardware
- 15InputAn input is data that a computer receives. Computers only work with digital information. Any input that a computer receives must be digitalised
- 16OutputAn output is data that a computer sends
- 17MP3 FormatNeeds to be decoded when used which means they don't load as quickly as some other formats
- 18InterfaceAllows a musical instrument and a computer to communicate (Musical Instrument Digital Interface)
- 19Sound SignalsNeeds to be converted before they can be processed by a computer because sound signals are analogue, computers can only process digital signals
- 20DigitalComputers only work with digital information so any input a computer receives must be digitalised
- 21AnalogueOften data has to be converted back to an analogue format when its output. E.g sound from computer speakers
- 22What are Bitmaps and Vectors made up of?Bitmaps: Bitmap graphic pixels of different colours
Vectors: Vector graphics - 23What can be edited in Bitmaps and Vectors?
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- GCSE ICT FlashCards sobre Sem título, criado por astewa-h em 20-10-2015.
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- astewa-h
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