حل واجب tu170 tma مدرس 2013 / 2014
تلفون : 0544321455 - 00966544321455
سكايبي: a_al_shora
ايميل [email protected]
واتس اب: 00966544321455

Arab Open University
Faculty of Computer Studies
TU170 Computing Essentials
TU170
Tutor-marked Assignment 01 – Fall 2013-2014
Cut-off date: Dec 8, 2013
Page 1 / 4
Part 1 [30 marks]
1. Use the common forum in LMS, in TU170 page, to initiate a discussion and to share
your ideas with your classmates about one of the following topics:
•Twitter
•Speech Recognition
•Google Docs
•Smart Phones
•Virus Protection and Internet Security
You should copy all the thread messages (not screenshots) and past it on your solution
for this part. The thread should contain at least 10 messages.[10 marks]
2. Within the range of 150 – 200 word count and using your own words, describe any
three LMS features. [4 marks]
3. Use your browser to search about blended learning system using one of the search
engines such as Yahoo or Google.
a. Visit any two links from the search result and then copy few sentences or short
paragraph that describes what blended learning system is. Make sure to put
them between double quotations. [4 marks]
b. Using MS word processor, make citation and reference for your two quotations
[4 marks]
c. Describe (using your own words) the steps you followed in creating the citation.
[4 marks]
d. Why do you think it is important to make citation for the references you have
used? [4 marks]
Page 2 / 4
Part 2 [22 marks]
Employee Name
January
800
1000
600
480
900
820
700
1000
400
Highest Salary
Lowest Salary
Average Salary
February
860
1200
680
460
1000
900
780
1100
420
March
900
1000
640
420
900
860
760
1200
460
April
820
1100
600
400
960
800
760
1300
480
Total
Salary
classification
Number of high range salaries
Figure 1: Spreadsheet sample, salaries statistics for four months in a company
Using MS Excel:
1. Create a spreadsheet similar to figure 1 [2 marks]
2. Type in all text and add names to the employees in the first column [2 marks]
3. Use proper functions to find:
•highest, lowest, and average salaries in each month [3 marks]
•total salary for each employee [1 mark]
•Whether the total salary for each employee is classified as High or Low
range salary. If the total is greater than 2500 then it is classified as High
range, otherwise Low range [2 marks]
•number of employees who are classified to gain High range salary [2 marks]
4. Create two graphs:
•A column chart representing the employees’ salaries in four months
•A line graph representing the highest, lowest and average salaries in each
month
Both charts must have chart title, x axis label, y axis label [10 marks]
Page 3 / 4


Part 3 [20 marks]
In many areas in the course textbook, you have been introduced with the concept of
cloud storage and it is also described in “A look to the future” section in Secondary
Storage chapter. Write an essay around 400 word count describing the following:
•
•
•
•
•
Definition of cloud storage [4 marks]
Cloud storage history [4 marks]
Two examples of cloud storage services [4 marks]
Advantages and disadvantages [4 marks]
How could this help with your studying at AOU [4 marks]
Part 4 [18 marks]
Use your own words to answer each question or statement below.
1. List and describe the three types of electronic commerce and explain how to
ensure secure payment in electronic commerce? [3 marks]
2. Describe any three design principles that can be used to enhance the user
interface usability? [3 marks]
3. The operating system act as an interface between the user and the computer
system, explain. [3 marks]
4. Android and iPhone OS are two examples of mobile phone operating systems.
What is the difference between them? [3 marks]
5. What is the difference between input and output devices? List two examples of
devices which combine input and output capabilities. [3 marks]
6. How to improve the hard disk performance? [3 marks]
TMA presentation [10 marks]
The TMA word document must satisfy the following:
•
•
•
Header contains student’s name and id
Page numbering
No grammar and spelling mistakes
How to submit the TMA
•
•
•
•
Create a folder and name it as yourId_firstName_ Surname
The folder should contain the word document and the excel file
Right click on the folder > Sent To > Compressed (Zipped) Folder
Submit the compressed (Zipped) folder in LMS
Page 4 / 4
حل واجب tu170 tma مدرس 2013 / 2014
تلفون : 0544321455 - 00966544321455
سكايبي: a_al_shora
ايميل [email protected]
واتس اب: 00966544321455




حل واجب tu170 tma مدرس 2013 / 2014
تلفون : 0544321455 - 00966544321455
سكايبي: a_al_shora
ايميل [email protected]
واتس اب: 00966544321455




حل واجب tu170 tma مدرس 2013 / 2014
تلفون : 0544321455 - 00966544321455
سكايبي: a_al_shora
ايميل [email protected]
واتس اب: 00966544321455