Second Semester 2015/2016 Tutor-Marked Assignment (TMA) Cut-Off Date: 02/05/2016 Total Marks: 40 Question One (27 Marks) (Based on Block 1) consider the following description of an ICT system: An ICT system has the following description: a user's lapto

Second Semester 2015/2016
Tutor-Marked Assignment (TMA)

Cut-Off Date: 02/05/2016
Total Marks: 40

Question One (27 Marks)
(Based on Block 1) consider the following description of an ICT system:

An ICT system has the following description: a user's laptop is connected via a cable to a digital camera, this connection is in order to copy the photos from the digital camera to the laptop. The user of laptop can access his account on Facebook via Internet in order to upload his photos then post them. His friend use his mobile phone to access his account on Facebook via Internet, and after he accessed to his account on Facebook, he can see the posted photos.

a) Draw a system map for the above ICT system? (12 Marks)
b) Draw a block diagram for the above ICT system? (15 Marks)


Question Two (13 Marks)
Search the web to answer the following.

a) Define wireless sensor networks? (2 Marks)
b) Give two applications on wireless sensor networks? (2 Marks)
c) Mention three factors that can influence the design of wireless sensor networks? (3 Marks)
d) List two operating systems for wireless sensor networks? (2 Marks)
e) List two simulators for wireless sensor networks? (2 Marks)
f) List any two references on wireless sensor networks. (Wikipedia is not counted) (2 Marks)

End of Questions