Flashcards
Networks
Flashcards do conjunto (18)
- 1What is a computer network?A computer network is a set of computers connected together for the purpose of sharing resources
- 2Describe a LAN and a WAN?A LAN is a network that covers a small geographical area whereas a WAN covers a wide geographical area.
- 3What are the advantages of a computer network?Using the internet: Email, Google, YouTube.
Talk to family from around the world. - 4What are the disadvantages of a computer network?Cyber bullying
Copyright and
Security - 5What devices are needed to produce a LAN?Network Interface Card,
Router,
Wireless Access Point,
Hub/Switch - 6What is the purpose of a NIC?A circuit board that is installed in a computer so that it can be connected to a network.
- 7What is the purpose of a Router?A home and business may use this device to connect to connect their network to another network such as the internet.
- 8What is the purpose of a Hub/switch?Used to physically link computers using cables.Have multiple ports to connect computers into.
- 9What is the purpose of a WAP?Required to allow wireless devices to connect to a network. They convert data from cables into wireless signals.
- 10What is the difference between a Hub and a Switch?A Hub is a networking device that allows one to connect multiple PCs to a single network
A switch is a control unit that turns the flow of electricity on or off in a circuit. - 11What is the Internet?A global computer network providing a variety of information and communication facilities.
- 12What is the World Wide Web?An information system on the Internet which allows documents to be connected to other documents by links, enabling the user to search for information by moving from one document to another.
- 13What is the purpose of a Modem?A modem converts digital signals generated by the computer into analogue signals which can be transmitted over a telephone or cable line and transforms incoming analogue signals into their digital equivalents.
- 14What is the purpose of an ISP?An ISP is a company that provides individuals and other companies access to the Internet and other related services such as Web site building and virtual hosting.
- 15What is an IP address?An IP address is a unique string of numbers separated by full stops that identifies each computer using the Internet to communicate over a network.
- 16What does HTTP stand for?HTTP means Hyper Text Transfer Protocol
- 17What is a URL?The address of a World Wide Web page.
- 18—
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- Descrição
- FlashCards sobre Networks, criado por Isaac Chorlton em 08-10-2018.
- Criado por
- Isaac Chorlton
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