حلول الواجبات الجامعة العربية المفتوحة الكويت -مجابة

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عنوان الموضوع : حلول الواجبات الجامعة العربية المفتوحة الكويت -مجابة
مقدم من طرف منتديات نساء الجزائر

حلول الواجبات الجامعة العربية المفتوحة الكويت



حلول واجبات الجامعة العربية المفتوحة

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m105
m150a
m150b
t215a
t215b
t175a
t175b

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






Tutor-Marked Assignment 01

Cut-Off Date: 8/12/2013
Total Marks: 30

**************s
Introduction…………………………………… ………… ……..2
Question 1 (10 marks)…………………………………… ………2
Question 2 (13 marks)………………………………….…………3
Question 3 (7 marks)………………………… …… ….…………3

Plagiarism Warning:
As per AOU rules and regulations, all students are required to submit their own TMA work and avoid plagiarism. The AOU has implemented sophisticated techniques for plagiarism detection. You must provide all references in case you use and quote another person's work in your TMA. You will be penalized for any act of plagiarism as per the AOU's rules and regulations.

Declaration of No Plagiarism by Student (to be signed and submitted by student with TMA work):
I hereby declare that this submitted TMA work is a result of my own efforts and I have not plagiarized any other person's work. I have provided all references of information that I have used and quoted in my TMA work.
Name of Student:………………………………..
Signature:…………………………………………...
Date:……………………………………………………













Introduction
You should submit your completed assignment to arrive no later than the cut-off date: 11/12/2013
Use the Learning Management System or the ACES to submit your TMA.
Please send with your submission the signed declaration of no plagiarism by Student.
There are THREE questions: You should answer ALL QUESTIONS in ONE word file.

Question One (10 marks)
Given the following spreadsheet which shows number of sub************ions in both telephone lines and Mobiles in Uganda as stated in 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
(1 mark)
2) The x-axis represents the years.
(1 mark)
3) Series represents rows 3 and 4.
(2 mark)
4) Write a chart title.
(1 mark)
5) Write a title for the x-axis.
(1 mark)
6) Write a title for the y-axis.
(1 mark)
7) Legend position in top.
(1 mark)

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.
(2 marks)

c) After 2006, number of mobile sub************ion among 100 inhabitants is more than 100. What does that mean?
(2 marks)

Question Two (13 marks)
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 .
(2 marks)
b) List three ICTs needed for Teleradiology .
(3 marks)
c) List three situations in which Teleradiology would be useful.
(3 marks)
d) Write about one real life application/experiment of Teleradiology .
(2 marks)
e) List three URLs of the web pages you used. (Wikipedia is not counted)
(3 marks)

Question Three (7 marks)
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?
(4 marks)
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?
(3 marks)

__________________________________________________ __________

Page 1 / 4
M150A
TMA01 – Fall 2013/2014
Cut-off date: 14-Dec-13
Total marks: 80
This TMA should be submitted to your tutor electronically through the LMS system
before the cut-off date indicated above.
You should write your solutions to the questions in a single word ****************. Head the
**************** with your name and your Personal Identifier (ID).
This TMA assesses your understanding of Units 1, 2, 3, 6 and section 2 and 3 of unit 7.
It is marked out of 80, out of which 20% will be considered for the continuous
assessment grade.
It consists of 4 questions. The total marks for each question are shown at the beginning
of each question. The marks allocated to each part of a question are indicated in the
margin.
Important notes:
− Before you start working with this assignment, you need to refer to section 8.2 of
the M150 course companion to read about plagiarism and how to avoid it. This will
help you in getting high grade in this TMA.
Arab Open University
Faculty of Computer Studies
M150 Data, computing and information
Page 2 / 4
Question 1 [20 marks]
1. Read section 8.2 of the M150 course companion (You should have had a copy of
it with the course material and you can also view a soft copy of it in the course
CD ROM 1).
a. Briefly define the term plagiarism. [2]
b. How can you avoid plagiarism when writing your TMAs? [2]
2. Explain the difference between the Internet and the Web. [4]
3. Define a search engine. Give examples on two search engines you use. [4]
4. Representations play a central role in facilitating communication by establishing
a relationship between some form and some meaningful ************** subject to
some convention; mention the two conditions for effective representation. [4]
5. From your understanding of the term “complex representation”, briefly explain
why traffic signs are considered to be complex representations?
Explain the advantage of complex representations using the traffic signs as an
example. [4]
Question 2 [20 marks]
1. Any feature of the analogue world can be taken inside the boundary of the
computer using two-steps process. Mentions the two steps with brief
explanation giving an example that illustrates the steps. [6]
2. Show all the steps required to convert the binary value 111000101 to its decimal
representation. [4]
3. Show all the steps required to convert the decimal value 1980 to its octal
representation. [4]
4. Consider an image of size 1000 X 720 pixels which requires 2160000 bytes to be
stored inside the computer. Find the number of bits used to represent each
pixel, the pixel amplitude and the coloring system used for the image. [6]
Question 3 [20 marks]
1. What is the function of the following: [3]
a. Control Unit.
b. Main Memory.
c. Compiler.
2. Use truth tables to show whether the following two Boolean expressions are
equivalent or not. [6]
NOT (A AND NOT B) NOT A OR B
Page 3 / 4
3. The following flowchart diagram shows a loop structure program. [11]
a. From the diagram, specify:
The condition, the loop body, and any instruction(s) that is (are) not in
the loop body.
b. How many times will the loop be executed?
c. What is the exact output after these instructions have been executed?
You need to draw a simple tracing table that shows how you got your
answer.
d. What will be the output if the condition "NOT (a>10)" is replaced by "
NOT (a>10) AND (b>1)"?
Page 4 / 4
Question 4 [20 marks]
1. a. Write Java************ program to calculate area and volume of a cube. The program
should work according to the following specifications: [6]
− Read the edge length of a cube.
− Calculate the area and volume of the cube using the following formulas:
Area = 6 *(edge length)2
volume = (edge length)3
− Print the edge length, area and volume in the output window.
b. Run your program with two different values of edge length. In your Solution
**************** insert two screenshots showing the different resulted output.
2. a. Using nested if-else statement, write Java************ program that works according
to the following specifications: [14]
– Ask the user if he wants to buy a "pc" or a "laptop". Read the answer
from the user and store it in a variable.
– If the user selected a "laptop" then ask the user to select which color he
wants "white" or "black". Read the answer from the user and store it in a
variable.
– Calculate the price of the user selection as follows:
- PC: 1700$.
- Black laptop: 2500$.
- White laptop: 3000$.
– Give the following discount on the price and calculate the discounted
price as follows:
- PC: 20%.
- Black laptop: 15%.
- White laptop: 10%.
– Print the user selection, price and discounted price in the output window.
– Assume that all strings used in the program and entered by a user are in
small letters.
b. Test your program and run it to make sure it works properly. In your Solution
**************** insert three screenshots for the output:
– One showing the case when the user selected to buy a PC.
– One showing the case when the user selected to buy a black laptop.
– One showing the case when the user selected to buy a white laptop.
Important note: In your answers to question4, you should follow good
programming style that helps readability. This includes:
• Using short comment at the beginning stating the purpose of your program.
• Using spacing and indentations to help make the structure of your program
clear.
• Following the M150 style guidelines when choosing names for the variables (
Refer to section 2.2 of unit 7 page 16)

__________________________________________________ __________

Page 1 / 4
M150B
TMA – Fall 2013/2014
Cut-off date: 7-Dec-13
Total marks: 80
This TMA should be submitted to your tutor electronically through the LMS system
before the cut-off date indicated above.
You should write your solutions to the questions in a single word ****************. Head the
**************** with your name and your Personal Identifier (ID).
This TMA assesses your understanding of Units 8 (section 3), 9, 10 and 12 of M150B.
It is marked out of 80, out of which 20% will be considered for the continuous
assessment grade.
It consists of 4 questions. The total marks for each question are shown at the beginning
of each question. The marks allocated to each part of a question are indicated in the
margin.
Important notes:
− Before you start working with this assignment, you need to refer to section 8.2 of
the M150 course companion to read about plagiarism and how to avoid it. This will
help you in getting high grade in this TMA.
Arab Open University
Faculty of Computer Studies
M150 Data, computing and information
Page 2 / 4
Question 1 [20 marks]
1. Write Java************ program according to the following:
a. Define a Java************ function occurrence(anArray,num), that takes
an array anArray and a number num as arguments. The function
returns the number of occurrences of num in anArray.
b. Declare an array of 10 elements.
c. Ask the user to enter any 10 numbers and fill them in the array.
d. Print the array elements in the output window.
e. Using the function occurrence(), display on the screen the number
of occurrences of number 0 in the array. If the number 0 doesn’t exist in
the array, you should display a suitable message also.
f. Run your program two times: one where the number 0 is an element on
the array and another time where the number 0 is not in the array.
Provide two screenshots of the two required outputs of your program.
This should also show the arrays elements.
Question 2 [20 marks]
In unit9, page 21 you were introduced to the methods associated with Date object. In
the same unit, section 4.2 you learned how to use functions from the "dateLibrary.js" in
Java************ programs. The specifications for all the functions in this library are in
Appendix 1 at the end of unit 9.
Write Java************ statements to do the following:
a. Create a Date object representing the date 2 June 1950.
b. Create another Date object representing the date 13 November 2013.
c. Calculate the difference in years between the two dates and print it in the
output window.
d. For the Date object you've created in a. do the following:
- Change the state to be 30 December 2000. You should not create a new
date.
- Display the day name.
- Display it in long form.
e. Insert a screenshot that shows the resulted output of parts c and d.
f. Provide a copy of the specifications of all the functions you’ve used in writing
your program.
g. What information do we usually find in function specifications?
Page 3 / 4
Question 3 [20 marks]
You are required to model a new user-defined object type, Game.
The Game object type has the following properties:
name: a string representing the name of the Game.
level: a string representing the level of the game, such as easy, moderate, difficult.
chance: a number (from 1 to 6) representing the chance of playing the game.
The Game object can go forward to further chances, however, the maximum value of
chance is 6.
The Game object type has the following methods:
getName(): a method that returns the name of the game.
getLevel(): a method that returns the level selected of the game.
getChance(): a method that returns the chance of playing the game.
moveForward(): a method that gives the next chance (i.e. increments chance by 1)
only if the chance is less than 6. Otherwise, set it to 1.
displayInfo(): a method that displays the name, level and the chance of the
game in an ********** box, using the three methods: getName() and getLevel() and
getChance().
a. Write the Game constructor function Game(aName, aLevel, aChance).
b. Implement the methods getName(),getLevel (), getChance(), and
displayInfo() according to the above specifications.
c. Prompt the user for values of name and level of a game he wants to create.
d. Create a game instance and initialize its properties by the values entered by the
user. Chance should be set to 1.
e. Use an appropriate methods to:
− Increment the game by two chances.
− Print the game information.
f. Run your program and test it to make sure it works properly. In your Solution
**************** insert two screenshots: [3]
− one showing the program prompting for the game name, with you having
entered the name but not yet pressed OK;
− one showing the resulted ********** window.
Page 4 / 4
Question 4 [20 marks]
1. Briefly define the term HCI. What's the purpose of this kind of study? [4 marks]
2. What is a user interface? Give two examples of user interfaces you use in your
daily life. [6 marks]
3. In the con******** of UI design, define and briefly explain (using your own
understanding) the terms: visibility, affordance, tolerance and consistency. [10]
Important note: In your answers to questions 1, 2 and 3, you should follow good
programming style that helps readability. This includes:
• Using short comment at the beginning stating the purpose of your program.
• Using spacing and indentations to help make the structure of your program
clear.
• Following the M150 style guidelines when choosing names for the variables (
Refer to section 2.2 of unit 7 page 16)

__________________________________________________ __________

Page 1 / 4
M150B
TMA – Fall 2013/2014
Cut-off date: 7-Dec-13
Total marks: 80
This TMA should be submitted to your tutor electronically through the LMS system
before the cut-off date indicated above.
You should write your solutions to the questions in a single word ****************. Head the
**************** with your name and your Personal Identifier (ID).
This TMA assesses your understanding of Units 8 (section 3), 9, 10 and 12 of M150B.
It is marked out of 80, out of which 20% will be considered for the continuous
assessment grade.
It consists of 4 questions. The total marks for each question are shown at the beginning
of each question. The marks allocated to each part of a question are indicated in the
margin.
Important notes:
− Before you start working with this assignment, you need to refer to section 8.2 of
the M150 course companion to read about plagiarism and how to avoid it. This will
help you in getting high grade in this TMA.
Arab Open University
Faculty of Computer Studies
M150 Data, computing and information
Page 2 / 4
Question 1 [20 marks]
1. Write Java************ program according to the following:
a. Define a Java************ function occurrence(anArray,num), that takes
an array anArray and a number num as arguments. The function
returns the number of occurrences of num in anArray.
b. Declare an array of 10 elements.
c. Ask the user to enter any 10 numbers and fill them in the array.
d. Print the array elements in the output window.
e. Using the function occurrence(), display on the screen the number
of occurrences of number 0 in the array. If the number 0 doesn’t exist in
the array, you should display a suitable message also.
f. Run your program two times: one where the number 0 is an element on
the array and another time where the number 0 is not in the array.
Provide two screenshots of the two required outputs of your program.
This should also show the arrays elements.
Question 2 [20 marks]
In unit9, page 21 you were introduced to the methods associated with Date object. In
the same unit, section 4.2 you learned how to use functions from the "dateLibrary.js" in
Java************ programs. The specifications for all the functions in this library are in
Appendix 1 at the end of unit 9.
Write Java************ statements to do the following:
a. Create a Date object representing the date 2 June 1950.
b. Create another Date object representing the date 13 November 2013.
c. Calculate the difference in years between the two dates and print it in the
output window.
d. For the Date object you've created in a. do the following:
- Change the state to be 30 December 2000. You should not create a new
date.
- Display the day name.
- Display it in long form.
e. Insert a screenshot that shows the resulted output of parts c and d.
f. Provide a copy of the specifications of all the functions you’ve used in writing
your program.
g. What information do we usually find in function specifications?
Page 3 / 4
Question 3 [20 marks]
You are required to model a new user-defined object type, Game.
The Game object type has the following properties:
name: a string representing the name of the Game.
level: a string representing the level of the game, such as easy, moderate, difficult.
chance: a number (from 1 to 6) representing the chance of playing the game.
The Game object can go forward to further chances, however, the maximum value of
chance is 6.
The Game object type has the following methods:
getName(): a method that returns the name of the game.
getLevel(): a method that returns the level selected of the game.
getChance(): a method that returns the chance of playing the game.
moveForward(): a method that gives the next chance (i.e. increments chance by 1)
only if the chance is less than 6. Otherwise, set it to 1.
displayInfo(): a method that displays the name, level and the chance of the
game in an ********** box, using the three methods: getName() and getLevel() and
getChance().
a. Write the Game constructor function Game(aName, aLevel, aChance).
b. Implement the methods getName(),getLevel (), getChance(), and
displayInfo() according to the above specifications.
c. Prompt the user for values of name and level of a game he wants to create.
d. Create a game instance and initialize its properties by the values entered by the
user. Chance should be set to 1.
e. Use an appropriate methods to:
− Increment the game by two chances.
− Print the game information.
f. Run your program and test it to make sure it works properly. In your Solution
**************** insert two screenshots: [3]
− one showing the program prompting for the game name, with you having
entered the name but not yet pressed OK;
− one showing the resulted ********** window.
Page 4 / 4
Question 4 [20 marks]
1. Briefly define the term HCI. What's the purpose of this kind of study? [4 marks]
2. What is a user interface? Give two examples of user interfaces you use in your
daily life. [6 marks]
3. In the con******** of UI design, define and briefly explain (using your own
understanding) the terms: visibility, affordance, tolerance and consistency. [10]
Important note: In your answers to questions 1, 2 and 3, you should follow good
programming style that helps readability. This includes:
• Using short comment at the beginning stating the purpose of your program.
• Using spacing and indentations to help make the structure of your program
clear.
• Following the M150 style guidelines when choosing names for the variables (
Refer to section 2.2 of unit 7 page 16)

__________________________________________________ __________

Supplementary material for
T175A: Networked living: Exploring Information and Communication technologies




Tutor-Marked Assignment 01
Cut-Off Date: : 8/12/2013
Total Marks: 30

**************s
Introduction……………………………………….…..……………..2
Question 1 (10 marks)…………………………….…………………2
Question 2 (12 marks)…………………………….…………………3
Question 3 (8 marks)…………………………….…….……………3

Plagiarism Warning:
As per AOU rules and regulations, all students are required to submit their own TMA work and avoid plagiarism. The AOU has implemented sophisticated techniques for plagiarism detection. You must provide all references in case you use and quote another person's work in your TMA. You will be penalized for any act of plagiarism as per the AOU's rules and regulations.

Declaration of No Plagiarism by Student (to be signed and submitted by student with TMA work):
I hereby declare that this submitted TMA work is a result of my own efforts and I have not plagiarized any other person's work. I have provided all references of information that I have used and quoted in my TMA work.
Name of Student:………………………………..
Signature:…………………………………………...
Date:……………………………………………………
















Introduction

You should submit your completed assignment to arrive no later than the cut-off date 11/12/2013.
This TMA represents 20% of your all over mark of the course.
Use the Learning Management System or the ACES to submit your TMA.
Use Microsoft office Word to answer the questions in one file. The drawing questions can be answered using the drawing tools in the Word or any other drawing software but at the end the diagrams should be pasted into the Word file.
Please send with your submission the signed declaration of no plagiarism by Student.
There are THREE questions: You should answer ALL QUESTIONS.

Question One (10 marks)

(Based on in general Block 1 ideas and specially Block 1 Part2 Session 1)
In a Company a number of hand scanners are distributed in different buildings to for login and log out purposes. They are all connected to a main server through the wired network. An employee has a PC, printer and scanner in his/her office.





















a) Draw an equivalent block diagram and write key processes in black and others in grey.
(6 marks)

b) Write the block de************ion for the hand scanners key process.
(3 marks)

c) If employees are goring to share the printer. Modify the above system map to reflect that.
(1 mark)



Question Two (12 marks)

a) (Based on Block 1 Part 1 Session 2, Block 2 Part 3 Session 2)
Giving that T is a shortcut of Tera which is equivalent to 1024 Giga, find out the equivalent storage capacity of 8.25 TB in bits in scientific notation and rounded to 4 digits.
(4 marks)

b) (Based on Block 2 Part 3 Session 2 )
Use the ‘short-cut’ method to evaluate the following, write the result in scientific notation. (Show the steps in details)


(4 marks)

c) (Based on Block 2 Part 3 Sessions 3 and 6)
Estimate how many times larger the duty cycle of device A that typically connects to a network and transmits for 20 ms in every 0.5 second to device B which transmits for 40 ms in every 2 seconds.

(4 marks)
Question Three (8 marks)

a) (Based on Block 1 Part 2 Session 3, Block 2 Part 3 Session 7)
Compare RFID technology with Barcode systems by filling the following table.
Characteristics RFID Technology Barcode System
How transmitted
Equipment needed
Items identification
Potential information stored
Damage possibility
(5 marks)

b) For each of the following figures choose a suitable network technology and justify your choice.


Network 1 Network 2

(3 marks)