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

Question 14

Identify Fig. 3.
List five devices that can be connected to Fig.3.
State one precaution taken to prevent damage to Fig. 3.

Identify:
Fig. 4;
Fig.5.
State one use each of Fig. 4 and Fig. 5.

State two:
Differences between Fig. 4 and Fig. 5;
Similarities between Fig. 4 and Fig. 5.
State one precaution taken while handling:

Fig. 4;
Fig. 5.

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

14(a) Fig.3 is USB port
(b) Devices that can be connected to Fig.3

Printer
Scanner
Camera
Joystick
Light pen
Monitor
Mouse
Keyboard
External drives
flash drive
USB cable
Modem
Cell phone

Do not forcefully eject or plug in a device into it.
Do not shake the device while in use.
Follow standard procedure in ejecting USB devices.
Correct insertion of device while connecting with cord.

(d) (i) Fig.4 is CD/DVD
(ii) Fig.5 is Flash drive

(e)(i) Uses of Fig. 4

As storage device
To back up data

(ii) Uses of Fig. 5

As storage device
To back up data

(f) (i) Differences between Fig. 4 and Fig.5

The surface of Fig. 4 can easily get scratched thereby affecting access to the stored data, Fig.5 is not exposed to such risk
Fig. 4 is accessed via a drive while Fig.5 is accessed using the USB port
Fig. 4 is bigger in size than Fig. 5
The storage capacity of Fig.4 cannot exceed 20Gb while that of Fig. 5 can exceed 20Gb

(ii) Similarities between Fig. 4 and Fig.5

Both store data files
Both are computer accessories

(g)(i)Precautions taken while handling Fig.4
Do not

scratch the surface;
bend;
expose to direct sunlight/ heat;
allow accumulation of dirt on the surface.

(g)(ii) Precautions taken while handling Fig.5
Do not

open casing;
allow contact with water or other liquid;
insert forcefully into a USB port;
eject forcefully from a USB port.