GSM Phone Maintenance and Repair Paper 2, WASSCE (SC), 2016

Question 14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  1. Identify Fig. 4 .
  2. State the mode of connectivity of Fig. 4 to a mobile phone.
  3. State the maximum distance beyond which Fig. 4 would not function effectively.
  4. State the function of Fig. 4.
  5. State two safety precautions that are necessary when using Fig. 4.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  1. Identify Fig. 5 .
  2. State two uses of Fig. 5 in a mobile phone workshop.
  3. To establish a connection between a faulty mobile phone and Fig. 5, list two    

            required:

  1. hardware equipment/tools;
  2. software programmes/applications.

(i)       State two precautions to be when handling Fig. 5, in a mobile phone workshop.

Observation

The performance of candidates who attempted this question was poor. This is still as a result of lack of adequate exposure of candidates to the practical aspect of the subject.
The expected answers are:
(a)          Fig. 4 =Bluetooth hands free/headset                                                                       
                              (b)          Mode of connectivity of Fig. 4 to phones 
                                             Connection is through Bluetooth/wireless                           
               (c)           Maximum distance covered is 100 meters                                                                 
                              (d)          Functions of Fig. 4
It is used to link incoming calls without holding the phone / It enables a phone user answer incoming calls without holding the phone / It enables limited use of hands on phones while receiving calls.                         
                               (e)         Precautions necessary when using Fig.4

  • Keep out of the reach of children
  • Ensure battery does not run out always
  • Avoid contact with liquid
  • Use recommended chargers when charging it
  • Avoid frequent falling

 (f)          Fig. 5 = Personal / Desktop Computer                                                                  
(g)         Uses of Fig. 5 in a phone workshop
To:

  • flash phones
  • unlock phones
  • repair phone software
  • charge phone battery
  • back up files
  • repair/ rebuild/ rewrite IMEI

(h)(i)       Hardware Equipment/ Tools required

  • Dongle
  • Data cable                                                                                                    

                                   (ii)     Software programmes required

  • Dongle software /box /setup/ suite
  • Dongle driver
  • Flash files       
  • Precautions that should be taken when handling Fig. 5
  • Do not forcefully insert/ eject cables in/from port
  • Install up to date and effective antivirus
  • Do not allow liquid to enter the system
  • Avoid contact with dirt/dust to prevent hanging of keys