Operating System
저자: Izzati Amirah
1. Definition: 1) The OS is responsible for the communication between the application and the hardware 2)The OS act like a translator between user application and the hardware
2. 3 Categories of OS
2.1. SERVER: MAC OS SERVER
2.2. EMBEDDED: 1)PALM OS 2)IPHONE OS 3)SYMBIAN OS
2.3. STAND ALONE: MAC OS X
3. 3 configuration for a computer to network
3.1. IP Address: Identifies the computer on the network
3.2. Sub net Mask: Identifies the network on which the computer is connected
3.3. Default Gateway: Identifies the device that the computer use to access the internet or another network
4. 6 function OS
4.1. start & shutdown computer
4.2. administer security
4.3. update automatically
4.4. monitor performance
4.5. manager progress
4.6. provide user interface
5. 2 Types of IP Configuration
5.1. Manual IP Configuration
5.2. Dynamic IP Configuration
6. 2 Type of OS Licensing
6.1. GPL Licensing
6.2. Commercial Licensing
7. 3 option of patch application
7.1. Automatic installation : updates schedule to occur during times PC is not in use
7.2. Prompt for permission :notifies end user when is available & user decide whether or not to download it
7.3. Manual : primally used for service pack
8. How DCHP Server works
8.1. DCHP Offer
8.2. DCHP Request
8.3. DCHP Acknowledge
9. 3 Parts of an OS
9.1. KERNEL: Communicate with hardware
9.2. SHELL: Works with the application
9.3. HARDWARE
10. 2 Type of interface
10.1. Command Line Interface (CLI)
10.1.1. restrictive and limits the end user
10.1.2. structure support available for a fee
10.2. Graphical User Interface (GUI)
10.2.1. ensure everyone has full access
10.2.2. often released free of charged
10.2.3. less of a structured support