GSM Phone Maintenance and Repair Paper 2, May/June 2015

Question 2

 

 

ITEM D 

 

 

 

ITEM E

a) Identify the items D and E shown above.

b) State the importance of D and E in a mobile phone workshop.

c) State the class of mobile phone equipment to which D and E belong.

d) State two safety precautions required in a mobile phone workshop  

 

 

 

 

 

 

ITEM F                                                                                         ITEM G

e) Identify items F and G.

f) State two:

(i) similarities:

(ii) differences,

between the items.

g) Which of the items is classified as universal? Give a reason for your answer.

h) State two precautions to be taken while handling item G.

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.  

 

Observation

The expected answers are:

a. Item D = Electrostatic Wrist Strap Item E =Fire Extinguisher

b. Importance of D and E Importance of D: To prevent electric shock Importance of E: To put off any fire outbreak

c. Safety Equipment

d. Precautions

Any correct 2

- wearing of electrostatic wrist strap

- provision of fire extinguisher

- not to handle electrical appliances with wet hands

- not to test charger / battery with your tongue

- not to use teeth to cut electric wires

- not to feel the hotness of soldering iron with bare hand / body parts

- avoid working with naked wire

- do not short-circuit electrical wires

e. Item F = Handsfree / Earphone

Item G = (External) Bluetooth

f. (i) Similarities

Any correct 2

- Both are handsfree devices

- While in use, both make contact with the ear

- Both can be automatically activated by incoming calls if the mode is activated.

- Both are used for telephone conversation.

(ii) Differences

Any correct 2 pair  

    External Bluetooth

  Handsfree

 Wireless device

Wire connected device                    

Powered by battery                             

Does not require battery                  

setting with phone is required before functioning

Plug in and use directly

g. The Bluetooth / Item G Reason It works with any phone that has Bluetooth facility

h. Precautions

Any correct 2 Avoid

- Contact with heat

- Contact with fluid

- falling / breakage of plastic covering

- stretching of wire to prevent discontinuity