Flashcards
flash cards computer studies
Flashcards do conjunto (16)
- 1What is a WAN?It is a wide area network and it is a cover of a large geographical area.Uses cables,telephone lines,satellites and radio waves to connect.
- 2What is a LAN?It is a local area network and each device is called a node (e.g.computer,printer,etc)
- 3What is a Computer Network?Two or more computers connected together to share information and resources
- 4What is a NIC? (network interface card)It is a circuit board or card that is installed in a computer so that it can be connected to a network
- 5What is a purpose of a Modem?It is a Modulator,Demodulate-Converts to digital signals produced by a computer into analoge singles that can be sent over a telephone network and the modem connects to a 'Internet Service Provider'
- 6What does HTTP stand for?HTTP stands for Hyper Text Transfer Protocol
- 7What is an IP Address?An IP address is called an internet protocol address,and it is a series of numbers separated by dots like this for example 172.217.6.35
- 8What are the Advantages of a Computer Network?The whole network can be backed up,messages can be sent between users and also users can share files,which prevents duplication of information.
- 9What are the Disadvantages of a Computer Network?A trained person is needed to manage the network,the security is an issue as a virus can effect all computers
- 10What does URL stand for?A URL stands for 'Uniform Resource Locator'
- 11What are URL's made up of?WWW,standing for world wide web
An organisation name (BBC)
A top level domain(.co)
A country(.UK)
Org (organisation),.sch(school),.ac(university) - 12What are the three different network topologies?Bus, Ring and Star.
- 13What is the internet?The internet is a huge network of computers all connected together.
- 14What is the WWW?It is the 'World Wide Web' a collection of webpages found on this network of computers (internet)
- 15What is the web browser?It uses the internet to access the web
- 16—
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- FlashCards sobre flash cards computer studies, criado por Aliyah Mussa em 29-09-2017.
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- Aliyah Mussa
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