Operating System

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Operating System by Mind Map: Operating System

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. 2 Type of interface

3.1. Command Line Interface (CLI)

3.1.1. restrictive and limits the end user

3.1.2. structure support available for a fee

3.2. Graphical User Interface (GUI)

3.2.1. ensure everyone has full access

3.2.2. often released free of charged

3.2.3. less of a structured support

4. 3 configuration for a computer to network

4.1. IP Address: Identifies the computer on the network

4.2. Sub net Mask: Identifies the network on which the computer is connected

4.3. Default Gateway: Identifies the device that the computer use to access the internet or another network

5. 3 Parts of an OS

5.1. KERNEL: Communicate with hardware

5.2. SHELL: Works with the application

5.3. HARDWARE

6. 4 OS Requirement

6.1. Amount of RAM needed

6.2. Hard drive space require

6.3. Processor type and speed

6.4. Video resolution

7. 6 function OS

7.1. start & shutdown computer

7.2. administer security

7.3. update automatically

7.4. monitor performance

7.5. manager progress

7.6. provide user interface

8. Majority group of OS

8.1. MICROSOFT WINDOWS

8.2. LINUX BASE

8.3. GNU/GPL

8.4. BSD

8.5. UNIX BASE

8.6. NON UNIX PROPRIETARY

9. 2 Types of IP Configuration

9.1. Manual IP Configuration

9.2. Dynamic IP Configuration

10. 2 Type of OS Licensing

10.1. GPL Licensing

10.2. Commercial Licensing

11. Factors to be considered of OS selection

11.1. support the requirement of the end user e.g: apps, security and function

11.2. sufficient hardware resource e.g memory, processor and scanner

11.3. memory management

11.4. stability and renustness

12. 2 factor must be considered in implementing an OS

12.1. The Total Cost of Ownership(TCO) includes the cost of obtaining, installing and supporting

12.2. availability of the OS

13. 4 OS installation method

13.1. Clean install :

13.2. Upgrade :

13.3. Multiboot :

13.4. Virtualization :

14. 3 option of patch application

14.1. Automatic installation : updates schedule to occur during times PC is not in use

14.2. Prompt for permission :notifies end user when is available & user decide whether or not to download it

14.3. Manual : primally used for service pack

15. How DCHP Server works

15.1. DCHP Offer

15.2. DCHP Request

15.3. DCHP Acknowledge