1. Development of IT
1.1. 1) Stand-alone Computer
1.1.1. - A desktop/laptop computer that is used on its own without requiring a connection to a Network (LAN, WAN).
1.1.2. Example of Operating System: - Windows 7 - UNIX - LINUX - Mac OS X
1.2. 2) Mainframe
1.2.1. - A large, expensive, powerful computer that can handle hudreds/thousands of connected users simultaneously.
1.2.2. -lots of processes, memory & channels.
1.2.3. -enormous throughput
1.2.4. -super reliable
1.2.5. -environment requirements
1.2.6. -power requirements
1.3. 3) Client-server Network
1.3.1. - CLIENT is the REQUESTING MACHINE and the SERVER is the SUPPLYING MACHINE both of which are CONNECTED via a LAN or WAN.
1.3.2. -client can be easily added/replaced
1.3.3. -secure
1.3.4. -expensive to implement and maintain
1.3.5. -requires experienced network personnel to maintain the server
1.4. 4) Distributed Computing
1.4.1. - A single computer PROGRAM runs in MORE THAN ONE computer AT THE SAME TIME.
1.4.2. -speed, reliability, incremental growth
1.4.3. -networking, security, software
2. 5) Cloud Computing
2.1. Platform as a Service (PaaS)
2.2. - An INTERNET SERVICE that provides COMPUTING NEEDS to computer users.
2.3. Infrastructure as a Service (IaaS)
2.4. Software as a Service (SaaS)
2.5. -reduced cost; pay for what we ware using
2.6. -easy reallocation of resources
2.7. -security; no control over data
2.8. -no privacy
3. Definition:
3.1. - The use of computer hardware & software to store, retrieve and manipulate information.
4. The Importance of IT:
4.1. -Speed and accuracy
4.2. -Global social interaction
4.3. -Entertainment
4.4. -Communication
4.5. -Education
4.6. -Economic advancement
5. Application of IT
5.1. 1) Education
5.1.1. e-learning
5.2. 2) Finance
5.2.1. online banking
5.3. 3) Government
5.3.1. e-Syariah
5.4. 4) Health care
5.4.1. medline
5.5. 5) Science
5.5.1. neural network
5.6. 6) Publishing
5.6.1. e-Magazine
5.7. 7) Travel
5.7.1. Global Positioning System (GPS)
5.8. 8) Manufacture
5.8.1. Computer Aided Manufacture (CAD)