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How to Detect Plagiarism of a Person - Assignment Example

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From the paper "How to Detect Plagiarism of a Person" it is clear that high-level programming language is more close to spoken language, it is more structured and hides the underlying details of how the communication takes between the user and machine…
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How to Detect Plagiarism of a Person
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Question 1. In the M150 Companion, plagiarism is defined as: "the use of another person’s work without giving them credit for it". Please refer to sec*on 8.2 of the course companion to read more about plagiarism and how to avoid it. This will help you get high grade in this TMA. Mention two reasons of why you should use your own words when answering your TMAs. [4] Ans: One major reason for using your own words while answering is that you get an idea of what your writing and an understanding of the topic is developed. It also tells the instructor the level of understanding you and how much attention you have been paying to your lectures also the teacher can address weaknesses of the person by getting an insight of where he lacks. 2. The following is an extract from the AOU Mission: [6] "The Arab Open University (AOU) seeks to offer opportunities of higher and continuing education by adopting open blended learning utilizing state-of-the-art information and communication technologies, at reasonable costs, to all those who are interested in pursuing university education, with a particular emphasis on women". (Reference: http://www.aou.edu.jo/) a. What do you understand from the term "blended learning"? You may need to do some search in the web. Ans: The term blended learning means mixing of various learning environments to improve the effectives of the learning process for student as well as teachers. The basic working of blended learning is to mix and combine the tradition practices of classroom learning with techniques of online learning (e-learning). The purpose of blended learning is to engage learners in learning activities and also to make the process of learning more efficient and enhance its effect. b. Search the web for an image that gives an illustration of the term. c. What is your role as a student in implementing the blended learning during your study at the AOU to get the best of the system? Ans: As a student we can improve the process by positively participating in this process, learning how to get the most out of it and giving suggestion on how new ways and technologies can be introduced to further enhance the process. Keep check of which services offered through blended learning are the most beneficial and how they can be improved to meet the international standards. QUESTION 2: 1. In Question 1 you were asked to find information and an image about blended learning. [4] a. Define a search engine. Ans: A search engine in its literal meaning can be defined as a program or a software that looks up for desired search which can be a file, data etc. through a list and returns the results of positive documents from a database, ftp or web. b. Which search engine did you use in your search? Give an example of another one. Ans: I used GOOGLE in my search. Other examples of Search Engines are Yahoo search, Bing, MyWebSearch etc. 2. What is compression, and how does it overcome some of the problems associated with redundancy? [2] Ans: Compression is a process by which the size of a data, file, document etc is reduced using various algorithms and to speed up transmission time. The main functioning behind compression lies in the algorithm being used. Various algorithms have various sort of techniques by which they reduce the size of the file selected for compression which can involve simple methods like removing space or representing a streak of similar strings by a single character hence removing redundancy. 3. Explain the difference between lossy and lossless compression techniques. Name the two common image formats used on the web and state for each one the compression technique used. [4] Ans: Lossless compression technique is one in which data after being compressed can be brought back into its original state without any loss of detail. This type of compression technique is useful when representing textual or numerical data where loss of data is not an option and can result in serious mismanagement which may lead to consequences. In Lossy Compression data size is reduced by deleting bits of information to an extent that the information remains understandable but looses level of quality. The information deleted is permanent and cannot be retrieved. This type of compression is mostly used for images, audio or anything visual. Two common image formats on the web are GIF ( uses lossless compression technique) JPEG ( uses lossy compression technique) Question 3 1. Consider the following quantities: [6] The speed of a sailing boat. The registration fees for a course. The number of chairs in a classroom. The temperature of a human being measured with mercury thermometer. a. Which of the above quantities are analogue and which are discrete quantities? Ans: ANALOGUE QUANTITIES: Speed of a sailing boat. Temperature of a human being measured with mercury thermometer. DISCRETE QUANTITIES: The registration fees for a course. The number of chairs in a classroom. b. How can you distinguish between analogue and discrete quantities? Explain this using examples from the given above. Ans: Analogue quantities can take between any values between two given points. There can be ambiguity in values of analogue quantities depending upon the person interpreting it. For eg temperature measured by mercury thermometer climbs up smoothly and there can be different values for the temperature seen by different people at the same moment. Whereas discrete quantities are those whose values change in steps. There is no ambiguity in perceiving value of a discrete quantity. For eg the number of chairs in a class room are constant and they can be easily counted to a definite quantity. 2. Name two types of output devices which produce analogue output and two others which produce digital output. [4] Ans: Analogue Quantities : Amplifier and transistors. Discrete Quantities: Digital watch and Calculators. 3. Show all the steps required to convert the decimal value 1005 to its binary representation. [3] A: 11111011012= 1+ 0*21 + 1*22 + 1*23 + 0*24 + 1*25 + 1*26 + 1*27 + 1*28 + 1*29 = 1005 4. Show all the steps required to convert the octal value 674453 to its decimal representation. [3] Ans: 6744538 = 3 + 5*81 + 4*82 + 4*83 + 7*84 + 6*85 = 22762710 5. Consider a one-hour film to be displayed on a computer at 24 fps. Each frame is 850 x 600 pixels and an 8-bit compressed color encoding is being used. What in the size of the film file in Bytes, MB and GB? [4] Ans: 850 x 600 = 510000 pixels. 1 pixel = 1 byte which makes 510000 = 510000 bytes. Length of video = 1 hour which has 3600 seconds , frames = 24 per second Number of frames = 24 x 3600 = 86400. Size in bytes = 86400 x 510000 = 44,064,000,000 Bytes = 44064MB = 44GB.  Question 4 1. What is the main difference between a high-level and a low-level programming language? Give an example of a programming language on each type. [4] Ans: High- level programming language are more close to spoken language , it is more structured and hides the underlying details of how the communication takes between the user and machine. They can work across platforms and are not specified to one platform. For eg c#, java. Whereas low-level programming language are assembly languages in which each line of code is translated into machine language. For eg assembly language , machine language. 2. Given the following selection structure example: [6] if ((age T = True Team 1 F T => F = False Team 2 F F => T = False Team 2 b. Where will be the following students admitted (team 1 or team 2)? 1) A 16 years old student PE grade is 80. Team 2 2) A 5 years old student PE grade is 70. Team 1 3) A 12 years old student PE grade is 55. Team 2 4) A 13 years old student PE grade is 60. Team 2 a. How many times will the loop be executed? Ans : 4 ( FOUR ) times. b. 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.\ Ans: x = 1 , x is less than 20, go into the loop, x is odd , write 0, x+5 => write 0 x = 6 , x is less than 20 , go into the loop, x is even, write 1, x+5 => write 1 x = 11, x is less than 20, go into the loop , x is odd, write 0, x+5 => write 0 x = 16, x is less than 20 , go into the loop, x is even, write 1, x+5 => write 1 x= 21 , greater than 20 , print new line , print value of x , print END. Output : 0101 21 End c. What will be the output if the condi on "x is less than 20" is replaced by "x is greater than 20"? Explain your answer. Ans: The program wont even go into the loop , it will go into the ending condition after checking whether x is greater than 20 which it can never be. It will just print 1 i.e. the value of x and END. Question 5 [20 marks] 1. The following table shows a list of variables names to be used in JavaScript programs. For each variable, you need to specify whether it is a valid variable name or not explaining the reason. [5] Variable name Valid / Invalid Reason #name Invalid Syntax error Name Valid $name Valid my name Invalid Space cannot be given in a variable name var Invalid var is used for defining variable 2. Suppose the JavaScript variables myVar and yourVar have already been declared and the lines of JavaScript below are now executed in sequence. [4] Write down the value of myVar and yourVar after each line has been executed, if the value is known at that point. Where the value isn’t known, write “Undefined”. a. myVar = 5 b. yourVar = myVar - 4 c. myVar = 3 + 2 * myVar + 1 d. yourVar = myVar / yourVar Use the following table in your solution: Line to be executed The value of myVar The value of yourVar myVar = 5 5 undefined yourVar = myVar – 4 5 1 myVar = 3 + 2 * myVar + 1 14 1 yourVar = myVar /yourVar 14 14 3. A company pays its sales people a monthly commission based on their gross sale according to the following: [11] • If the gross sale is $5000 or more, the commission is 10% of the gross sale. • If the gross sale is $3000 or more, the commission is 7% of the gross sale. • If the gross sale is less than $3000, the commission is 5% of the gross sale. For example, a salesperson whose gross sale is $5000 receives 10% of 5000, i.e. (10/100) * 5000 = $500. a. Using nested if statements, write a JavaScript code which will work according to the following specifications: o Read the gross sale for a salesperson working in the company. o Calculate the commission amount for that salesperson according to the above description o Print the calculated commission in the output window. JS function calc(){ var i=document.getElementById(to); // variable to store input type object var ii=document.getElementById(from); // variable to store input type object II var gross=i.value; var com=0; if(gross>=5000) com=(10/100)*gross; else if(gross>=3000) com=(7/100)*gross; else com=(5/100)*gross; ii.value=com; }










b. Run your program with each of the following values of gross sale: o $ 3000 o $ 1000 For each test, insert a screen dump showing the output into your Solution Document. Read More
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