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