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Unit 2 IT - Coggle Diagram
Unit 2 IT
information formats
Webpages
Used for diverse range of purposes for example, advertising
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Blogs
Share info hobbies or belief
Charities , game developers
Updating their customer base
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Streamed Audio and video
Receiving video and audio data
Continuous flow
Immediate access live radio streaming online
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Documents stores
Store online files
Access them from any location with internet connection
Opportunities for collaboration
RSS feeds
Rich site summary
Subscribe to updates
Most browsers no longer have built Rs functionally and it is rarely used
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Holders of information
Individuals
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( name, DOB, address, Phone Number)
Education
School would hold information about the students and teachers for example (Student information, Income, Staff pay, ofsted reports)
Business
Business would store information about the (staff, commercial information, competitors and different markets
Government
Government would store information about the people in the country for example( Income, taxes , where people live, population)
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Charities
Charities would store information about financial information, employees, services
Community
Community organisations would store personal information about the people in the community.
World wide web
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Intranet
Is a private network that is only accessible to authorised users. Private and users have closed access, intranet is a secure online area
Extranet
Is a private network that is accessible using the internet. Access only to authorised users, Private and user have shared access
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Storage Media
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Traditional forms of storage include forms, handwritten notes, maps , telephone directories.
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Is a drive that uses laser light or electromagnetic waves within or near the visible light which is part of reading or writing data.
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Uses- computer, laptops to store large files
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Internet
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Most organisations organised their computer together to form a network and have one point of access from that network the internet
Internet connections
Connections to the internet can be made in different ways. For example, copper cable is based on electrical conductivity and is still the most popular form of conductivity due to its low cost.
Copper cables
Cheaper type of wired internet connections that may be poorly insulated and therefore susceptible to electromagnetic interface
Fibre optic cables
Very fast but expensive type of wired internet connection
Signals are transmitted as waves of light through glass tube
Electromagnetic interface and suffer less from attenuation
Satellite
Satellite networks use point to multipoint communication by using satellites above the earth's atmosphere
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