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TOPIC 1: INFORMATION TECHNOLOGY by Mind Map: TOPIC 1: INFORMATION TECHNOLOGY
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TOPIC 1: INFORMATION TECHNOLOGY

5) Cloud Computing

- An INTERNET SERVICE that provides COMPUTING NEEDS to computer users.

Platform as a Service (PaaS)

Infrastructure as a Service (IaaS)

Software as a Service (SaaS)

-reduced cost; pay for what we ware using

-easy reallocation of resources

-security; no control over data

-no privacy

Definition:

- The use of computer hardware & software to store, retrieve and manipulate information.

The Importance of IT:

-Speed and accuracy

-Global social interaction

-Entertainment

-Communication

-Education

-Economic advancement

Application of IT

1) Education

2) Finance

3) Government

4) Health care

5) Science

6) Publishing

7) Travel

8) Manufacture

Development of IT

1) Stand-alone Computer

2) Mainframe

3) Client-server Network

4) Distributed Computing