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10 Cards in this Set
- Front
- Back
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Explain one advantage of using a DNS sever |
They have a database of ip address, so you don't have to remember them |
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What's the difference between the world wide web and the internet? |
The internet is a collection of network The internet holds the www and other services like online gaming. The www is collection of al the web pages on the internet. |
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What is the internet ? |
The internet is a worldwide collection of computer networks. The www is a collection of all the web pages on the internet. Things like online gaming and msn messenger use the internet but not www. |
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(hardware on the internet) what is a modem |
is an analogue to digital converter. It converts digital signals produced by the computer into analogue signals that can be sent over a telephone line. |
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(hardware on the internet) a router |
receives packets from all over the network and sends them on to there destination. |
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(hardware on the internet) HUB |
Receives packets from all over the network and sends them on to every other device on the network |
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when is IP used |
Ip is used when sending or receiving packets. Every device on the internet has a unique IP |
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turn card |
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what is a Domain name system (DNS) |
Each DNS sever has a database of IP addresses which is constantly updated . When a user requests a URL the DNS sever looks up the IP adsress and sends it back to a users computer. This is so we don't have to remember webpages IP addresses to go on them |
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