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IT Theory IEB Grade 10 2020 Unit 7 R50,00   Add to cart
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IT Theory IEB Grade 10 2020 Unit 7
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A comprehensive summary of IT Theory on a Grade 10 Level. It contains all the necessary information in a colourful, table format. All information has been typed for improved legibility. These notes have been used by hundreds of learners throughout my school (including myself) and is guaranteed to g...

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  • June 16, 2021
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  • 2020/2021
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Zeyn Mahomed Grade 10 2020




LU7 - Internet and WWW
1. The Internet and its Services

Internet A worldwide collection of computer networks that can be connected for the
purposes of sharing resources or communicating - A global network



Basic Services on the Cloud Storage
Internet

Advantages Disadvantages

● No extra equipment needed ● Internet connection required
● No management & ● No control over security
maintenance of expensive - trust company contract
storage devices ● Company could close or have
● Accessibility to cloud an irrecoverable disaster
● Auto-backup
● Only pay for storage that you
are using


Email
● Sent via Internet to any recipient who has an email address



Web Sites
● A collection of many web pages linked together under 1 domain
(URL)


2. IP Addresses

IP Addresses For computers to communicate with each other, protocols are required:
● TCP - Transmission Control Protocol. Responsible for making sure
that the transmission gets from sender to host.
● IP - Internet Protocol. Identifies the different computers connected to
the internet.
● Allows direct access to the internet and enables communication
between different computers
● DNS - Domain Name System. An addressing system that assigns a
unique address (IP address) and a hostname to identify each user
connected to the Internet.


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