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Merge pull request #60 from udohjeremiah/dev
Add 2 new past questions.
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‎src/questions/wdu-compsci-23_24-2lvl-1st-csc201.jsx

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import Questions from "@/components/Questions";
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import Answers from "@/components/Answers";
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export default function CSC201() {
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return (
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<Questions
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school="western delta university"
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college="computing"
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department="computer science"
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session="2023/2024"
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semester="first semester"
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courseCode="CSC201"
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courseTitle="computer programming I (Java)"
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allowedTime="2hrs: 30mins"
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instruction="answer question 1 and any other three (3) questions"
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>
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<li>
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<h4 className="mb-2 font-bold">Question 1 (Compulsory)</h4>
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<ol className="flex list-[lower-alpha] flex-col gap-2">
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<li>
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State two reasons why we learn both structured programming and
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object-oriented programming.{" "}
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<strong className="whitespace-nowrap">(4 marks)</strong>
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<Answers questionNumber="1a" />
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</li>
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<li>
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State two major application areas of Java programming language.{" "}
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<strong className="whitespace-nowrap">(2 marks)</strong>
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<Answers questionNumber="1b" />
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</li>
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<li>
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State two major features of Unified Modeling Language (UML).{" "}
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<strong className="whitespace-nowrap">(4 marks)</strong>
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<Answers questionNumber="1c" />
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</li>
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<li>
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The entity television can be regarded as a class with attributes and
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behaviours. Derive the attributes and behaviour of the class
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television using UML class diagram.{" "}
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<strong className="whitespace-nowrap">(5 marks)</strong>
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<Answers questionNumber="1d" />
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</li>
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<li>
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Highlight the four vital components of a for loop.{" "}
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<strong className="whitespace-nowrap">(4 marks)</strong>
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<Answers questionNumber="1e" />
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</li>
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<li>
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A person invests a certain of money in a savings account at a given
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interest. Assuming that all the interest is left on deposit,
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calculate and display the amount of money in the account at the end
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of each year for n years. Write a Java application to determine the
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amounts using the formula:
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<br />
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<strong>
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A = P(1+R)<sup>n</sup>
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</strong>
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<br />
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where
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<br />
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P is the original amount invested (i.e., the principal)
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<br />
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R is the annual interest rate
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<br />
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n is the number of years
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<br />A is the amount on deposit at the end of the nth year.{" "}
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<strong className="whitespace-nowrap">(6 marks)</strong>
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<Answers questionNumber="1f" />
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</li>
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</ol>
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</li>
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<li>
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<h4 className="mb-2 font-bold">Question 2</h4>
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<ol className="flex list-[lower-alpha] flex-col gap-2">
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<li>
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Define the following terms as used in Java development environment.
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<ol className="mx-4 list-[lower-roman]">
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<li>Javac.exe</li>
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<li>Java.exe</li>
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</ol>
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<strong className="whitespace-nowrap">(4 marks)</strong>
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<Answers questionNumber="2a" />
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</li>
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<li>
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Why is the Java programming language platform independent?
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Illustrate with a diagram.{" "}
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<strong className="whitespace-nowrap">(4 marks)</strong>
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<Answers questionNumber="2b" />
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</li>
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<li>
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What is a loop?{" "}
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<strong className="whitespace-nowrap">(2 marks)</strong>
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<Answers questionNumber="2c" />
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</li>
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<li>
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Write a Java application that computes the sum of square of even
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numbers between 2 and 50.{" "}
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<strong className="whitespace-nowrap">(5 marks)</strong>
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<Answers questionNumber="2d" />
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</li>
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</ol>
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</li>
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<li>
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<h4 className="mb-2 font-bold">Question 3</h4>
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<ol className="flex list-[lower-alpha] flex-col gap-2">
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<li className="list-[lower-alpha]">
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Define the following:
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<ol className="mx-4 list-[lower-roman]">
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<li>Local variable</li>
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<li>Instance variable.</li>
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</ol>
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<strong className="whitespace-nowrap">(4 marks)</strong>
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<Answers questionNumber="3a" />
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</li>
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<li>
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What is a static method? Illustrate with one example.{" "}
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<strong className="whitespace-nowrap">(4 marks)</strong>
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<Answers questionNumber="3b" />
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</li>
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<li>
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Write a method that converts a Fahrenheit temperature to Celsius
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temperature using the expression:{" "}
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<code>Celsius = (Fahrenheit - 32) * 0.55</code>{" "}
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<strong className="whitespace-nowrap">(4 marks)</strong>
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<Answers questionNumber="3c" />
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</li>
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<li>
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Give the syntax of the <code>while</code> loop.{" "}
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<strong className="whitespace-nowrap">(3 marks)</strong>
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<Answers questionNumber="3d" />
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</li>
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</ol>
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</li>
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<li>
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<h4 className="mb-2 font-bold">Question 4</h4>
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<ol className="flex list-[lower-alpha] flex-col gap-2">
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<li>
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Define enhanced for loop.{" "}
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<strong className="whitespace-nowrap">(2 marks)</strong>
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<Answers questionNumber="4a" />
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</li>
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<li>
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State one situation in which the use of the enhanced is valuable.
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<strong className="whitespace-nowrap">(2 marks)</strong>
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<Answers questionNumber="4b" />
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</li>
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<li>
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Highlight three methods available in the predefined class called
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Arrays. <strong className="whitespace-nowrap">(3 marks)</strong>
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<Answers questionNumber="4c" />
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</li>
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<li>
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Write a java program segment to illustrate each of the methods
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stated in (4c){" "}
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<strong className="whitespace-nowrap">(6 marks)</strong>
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<Answers questionNumber="4d" />
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</li>
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</ol>
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</li>
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<li>
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<h4 className="mb-2 font-bold">Question 5</h4>
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<ol className="flex list-[lower-alpha] flex-col gap-2">
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<li>
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Define the following as used in Java file processing:
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<ol className="mx-4 list-[lower-roman]">
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<li>Stream</li>
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<li>Text file</li>
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<li>Sequential file.</li>
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</ol>
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<strong className="whitespace-nowrap">(6 marks)</strong>
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<Answers questionNumber="5a" />
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</li>
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<li>
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Write a Java program that requests from the user matriculation
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number, total points earned, total units registered and compute the
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GPA using the expression:{" "}
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<code>GPA = Total Points Earned / Total Units Registered</code>.
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Write your output consisting of Matriculation No., Total Units,
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Total Points, and GPA to a file named honour.txt.{" "}
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<strong className="whitespace-nowrap">(7 marks)</strong>
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<Answers questionNumber="5b" />
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</li>
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<li>
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Highlight two differences between a primitive variable and
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non-primitive variable.{" "}
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<strong className="whitespace-nowrap">(2 marks)</strong>
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<Answers questionNumber="5c" />
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</li>
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</ol>
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</li>
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<li>
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<h4 className="mb-2 font-bold">Question 6</h4>
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<ol className="flex list-[lower-alpha] flex-col gap-2">
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<li>
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Define an ArrayList. llustrate with an example.{" "}
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<strong className="whitespace-nowrap">(4 marks)</strong>
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<Answers questionNumber="6a" />
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</li>
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<li>
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Define a static method. Illustrate with one example.{" "}
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<strong className="whitespace-nowrap">(4 marks)</strong>
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<Answers questionNumber="6b" />
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</li>
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<li>
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The scores of ten students in a given examination are represented in
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a one-dimensional array as follows: 57 40 34 61 66 56 48 56 52 51.
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Write methods to accomplish the following:
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<ol className="mx-4 list-[lower-roman]">
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<li>
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Compute the largest score{" "}
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<strong className="whitespace-nowrap">(3.5 marks)</strong>
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<Answers questionNumber="6c" />
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</li>
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<li>
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Compute the smallest score{" "}
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<strong className="whitespace-nowrap">(3.5 marks)</strong>
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<Answers questionNumber="6c" />
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</li>
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</ol>
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</li>
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</ol>
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</li>
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</Questions>
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);
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}

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