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

Question 13

 

 

 

  1. Identify F; G.
  2. State two reasons F would not recognise G.
  3. List four types of files that can be stored in G.

 

 

  1. (i) What type of phone is shown in Fig.2?.

(ii) Name its operational firmware.

  1. State:
  2. The type of fault displayed on the phone in Fig.2;
  3.  One way of rectifying this fault.
  4. State one precaution taken:
  5. in order to prevent re-occurrence of the fault;
  6. while handling Fig. 2.

Most candidates attempted this question and the performance was good. This is due to increased awareness of the subject, engagement of qualified personnel to teach the subject and more exposure of candidates to practical work.

 

Observation

 

13(a)

  • F: memory card socket/ slot                                                                                                       
  • G: memory card/ SD card                                                                                                             

                   (b) Reasons F would not recognise G

  • leg of memory card socket is broken/ damaged
  • memory card IC is bad
  • broken circuit on the PCB
  • corrupt/damaged/broken memory card                        

                 (c) Types of files that can be stored in G

  • Audio/voice/music
  • Video
  • Images/pictures/photograph
  • Text
  • Applications/software          

                (d)   (i) The phone shown in Fig.2 is a Smart phone                                                         
(ii) The operational firmware is Android                                                                       
(e )  (i) The type of fault is virus infection OR corrupt operating system(OS)        


          (ii)(A)Ways of solving virus problem

  • Formatting the phone
  • Flashing the phone
  • Scanning with updated antivirus
  • Hard / factory/ master reset                        

(B) To solve corrupt operating system                problem

  • Flash the phone

             


f(i)(A) Precautions to prevent Virus infection

  • Regular scanning of device
  • Do not download from virus infected sites                                
  • Do not accept malicious files/ data transfer         
  • Install antivirus, update regularly.            

(B)   Precautions to prevent OS problem

  • Avoid rooting the phone
  • Do not insert corrupt memory card
  • Do not accept malicious files/ data transfer

f(ii) Precautions while handling Fig.2
Avoid:

  • frequent falling of phone;
  • contact with liquid;
  • scratching the surface.       

 

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