TOPIC 1: INFORMATION TECHNOLOGY

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

1. 5) Cloud Computing

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

1.2. Platform as a Service (PaaS)

1.3. Infrastructure as a Service (IaaS)

1.4. Software as a Service (SaaS)

1.5. -reduced cost; pay for what we ware using

1.6. -easy reallocation of resources

1.7. -security; no control over data

1.8. -no privacy

2. Definition:

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

3. The Importance of IT:

3.1. -Speed and accuracy

3.2. -Global social interaction

3.3. -Entertainment

3.4. -Communication

3.5. -Education

3.6. -Economic advancement

4. Application of IT

4.1. 1) Education

4.1.1. e-learning

4.2. 2) Finance

4.2.1. online banking

4.3. 3) Government

4.3.1. e-Syariah

4.4. 4) Health care

4.4.1. medline

4.5. 5) Science

4.5.1. neural network

4.6. 6) Publishing

4.6.1. e-Magazine

4.7. 7) Travel

4.7.1. Global Positioning System (GPS)

4.8. 8) Manufacture

4.8.1. Computer Aided Manufacture (CAD)

5. Development of IT

5.1. 1) Stand-alone Computer

5.1.1. - A desktop/laptop computer that is used on its own without requiring a connection to a Network (LAN, WAN).

5.1.2. Example of Operating System: - Windows 7 - UNIX - LINUX - Mac OS X

5.2. 2) Mainframe

5.2.1. - A large, expensive, powerful computer that can handle hudreds/thousands of connected users simultaneously.

5.2.2. -lots of processes, memory & channels.

5.2.3. -enormous throughput

5.2.4. -super reliable

5.2.5. -environment requirements

5.2.6. -power requirements

5.3. 3) Client-server Network

5.3.1. - CLIENT is the REQUESTING MACHINE and the SERVER is the SUPPLYING MACHINE both of which are CONNECTED via a LAN or WAN.

5.3.2. -client can be easily added/replaced

5.3.3. -secure

5.3.4. -expensive to implement and maintain

5.3.5. -requires experienced network personnel to maintain the server

5.4. 4) Distributed Computing

5.4.1. - A single computer PROGRAM runs in MORE THAN ONE computer AT THE SAME TIME.

5.4.2. -speed, reliability, incremental growth

5.4.3. -networking, security, software