حل واجب t175b مدرس 0544321455 لطلاب الجامعة العرربية المفتوحة

[عبدالله]

حل واجب t175b مدرس 0544321455 لطلاب الجامعة العرربية المفتوحة

حل واجب t175b واجبات الجامعة العربية المفتوحة
O544321455 - OO966544321455
a_al_shora@hotmail.com
سكايبي a_al_shora
واتس اب OO966544321455

Supplementary material for
T175B: Networked living: Exploring Information and Communication technologies


Question One (10 marks)
Given the following spreadsheet which shows number of subscriptions in both telephone lines and Mobiles in Uganda as stated in http://mdgs.un.org/unsd/mdg/Data.aspx.
Use the excel file provide with the TMA file and answer the following questions.
a) Create a chart taking into account the following chart options. (Paste the chart in the TMA file taking into consideration that all the following points are clear in the pasted version.)
1) A column chart
2) The x-axis represents the years.
3) Series represents rows 3 and 4.
4) Write a chart title.
5) Write a title for the x-axis.
6) Write a title for the y-axis.
7) Legend position in top.
b) By looking at the data given in the above table, you notice that the growth in fixed telephone lines is going down after 2006. Does that mean the PSTN infrastructure is not being developed any more? Justify your answer.
c) After 2006, number of mobile subscription among 100 inhabitants is more than 100. What does that mean?
Question Two
Part 1 of Block 4 discussed telehealth for providing clinical health care at a distant. Teleradiology is a category of telemedicine field.
Search the web and answer the following.
a) Define Teleradiology .
b) List three ICTs needed for Teleradiology .
c) List three situations in which Teleradiology would be useful.
d) Write about one real life application/experiment of Teleradiology .
e) List three URLs of the web pages you used. (Wikipedia is not counted)


Question Three
An ANPR system takes two images of each passing car -- one on the car’s approach and one as it departs. Each image is 750 x 230 pixels. Each pixel is stored using one byte. On average, four cars pass per minute.
a) If each uncompressed image is sent back to the control centre for processing, what is the average rate of data transfer in kbps?
b) A modification of the ANPR system described previously carries out some processing at the roadside. It detects the number plate area and sends image data for this area only back to the control centre. In a typical image the number plate occupies a rectangular area 90 pixels wide and 30 pixels high. What is the ratio of the area of the whole image to the number plate area?


حل واجب t175b واجبات الجامعة العربية المفتوحة
O544321455 - OO966544321455
a_al_shora@hotmail.com
سكايبي a_al_shora
واتس اب OO966544321455



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