Faculty of Computer Studies Course Code: M150A Course Title: DATA, COMPUTING and INFORMATION - A Tutor Marked Assignment Cut-Off Date: Total Marks: 60 Contents Question 1 ……………………..…………………………………..……… 2 Question 2 ……………………………..………………..

Faculty of Computer Studies
Course Code: M150A
Course Title: DATA, COMPUTING and INFORMATION - A
Tutor Marked Assignment
Cut-Off Date: Total Marks: 60
Contents
Question 1 ……………………..…………………………………..……… 2
Question 2 ……………………………..………………..………………… 3
Question 3 ………………………………..………………..……………… 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:

Question1: (20 marks)
1. What does GPS stands for? Explain how does it work? 2. Traffic sign are represented in a complex way. Basic components were provided to facilitate their representation. List them. 3. Write down the proper term defined by each of the following definitions: a. _________ is the range of numbers available to represent a pixel digitally. b. _________ is a method for storing images in computer memory in which the image is divided into rows of pixels and each pixel is represented by certain fixed number of bits. c. _________ are programs that allow us to draw and display vector graphics. d. _________ are systems for constructing and displaying raster graphics. 4. What are the two mechanisms used to translate a program written in a high-level language into a machine language? Explain the two mechanisms.
Question 2: (20 marks) 1. Based on your JS programming knowledge in M150A, answer the following. a. Write two points to improve the readability of your code? b. Define the terms Boolean data type and Boolean expression c. What is the difference between the operators = and = = 2. Use the truth table to prove the following Boolean expressions: NOT (A OR NOT B) OR NOT A ≡ NOT A 3. Find the decimal equivalence for the binary number (01100110)2 Show your steps. 4. For the following diagrams, mention and briefly explain each control instruction.
1 2

Question 3: (20 marks)
1. Consider a four-hour film to be displayed on a computer at 24 fps. Each frame is 420 x 270 pixels and a 24-bit RGB color encoding is being used. a. How many bytes will be required to represent the whole film? b. In how many gigabytes the film in (a.) can be represented?
2. Consider the following flowchart for an algorithm.


a. Use trace table to find the output y of the algorithm corresponding to the given x values: {-2, -1/2, 0, 1/2, 2} b. How many conditions do you have in this algorithm? c. Identify all the conditions in (b).

Input x
y x +1
y  x y  x
Is x> 1 ?
Is x>  1 ?
Print x, y
Yes
Yes No
No
START
STOP