Introduction to computer
Chapter 8: mobile devices
Presenter:
Lilin namleng
Meas chanthla
Ty muyly
Kea rathkanha
Khan pheakdey
Date: Friday, 11 august 2017
1. Mobile device history- Namleng
2. Mobile device hardware- Chanthla
3. Mobile operating system- Muyly
4. Methods for securing mobile devices- Kanha
5. Rooting and Jail breaking - Namleng
6. Basic troubleshooting process for mobile devices- Chanthla
Non-Upgradeable Hardware
Mobile device hardware is typically not upgradeable
Many of the component in a mobile device are connected directly to circuit board
Batteries and memory can often be replace with items that have larger capacities
Sensor: a device which detects or measures a physical property and records, indicates, or otherwise responds to it.
iOS: Developed by Apple and released in 2007 on the first iPhone
iOS is a Close Source: it means that the source code is not release to the public.
iOS is only use with Apple products such as iPod and iWatch.
Basic troubleshooting process for mobile devices
1. Check to make sure the device is under warranty.
2. If yes, it can often be returned to the place of purchase for an exchange.
3. If no, compare the cost of the repair with the replacement cost of the mobile device.
4. Mobile devices change rapidly in design and functionality, so they are often more expensive to repair than to replace.
Troubleshooting Process for Mobile Device
1. Identify the Problem
2. Establish a Theory of Probable Cause
3. Test the Theory Probable Cause
4. Establish a Plan of Action to Revolve the Problem and Implement the solution
5. Verity Full System Functionality and implement Preventive Measure
6. Document Finding, Actions, and Outcome.
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