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Merge pull request #60 from udohjeremiah/dev
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Add 2 new past questions.
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@udohjeremiah
udohjeremiah authored Jan 28, 2025
2 parents d9a0bfe + cd9db56 commit eb58e83
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230 changes: 230 additions & 0 deletions src/questions/wdu-compsci-23_24-2lvl-1st-csc201.jsx
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import Questions from "@/components/Questions";
import Answers from "@/components/Answers";

export default function CSC201() {
return (
<Questions
school="western delta university"
college="computing"
department="computer science"
session="2023/2024"
semester="first semester"
courseCode="CSC201"
courseTitle="computer programming I (Java)"
allowedTime="2hrs: 30mins"
instruction="answer question 1 and any other three (3) questions"
>
<li>
<h4 className="mb-2 font-bold">Question 1 (Compulsory)</h4>
<ol className="flex list-[lower-alpha] flex-col gap-2">
<li>
State two reasons why we learn both structured programming and
object-oriented programming.{" "}
<strong className="whitespace-nowrap">(4 marks)</strong>
<Answers questionNumber="1a" />
</li>
<li>
State two major application areas of Java programming language.{" "}
<strong className="whitespace-nowrap">(2 marks)</strong>
<Answers questionNumber="1b" />
</li>
<li>
State two major features of Unified Modeling Language (UML).{" "}
<strong className="whitespace-nowrap">(4 marks)</strong>
<Answers questionNumber="1c" />
</li>
<li>
The entity television can be regarded as a class with attributes and
behaviours. Derive the attributes and behaviour of the class
television using UML class diagram.{" "}
<strong className="whitespace-nowrap">(5 marks)</strong>
<Answers questionNumber="1d" />
</li>
<li>
Highlight the four vital components of a for loop.{" "}
<strong className="whitespace-nowrap">(4 marks)</strong>
<Answers questionNumber="1e" />
</li>
<li>
A person invests a certain of money in a savings account at a given
interest. Assuming that all the interest is left on deposit,
calculate and display the amount of money in the account at the end
of each year for n years. Write a Java application to determine the
amounts using the formula:
<br />
<strong>
A = P(1+R)<sup>n</sup>
</strong>
<br />
where
<br />
P is the original amount invested (i.e., the principal)
<br />
R is the annual interest rate
<br />
n is the number of years
<br />A is the amount on deposit at the end of the nth year.{" "}
<strong className="whitespace-nowrap">(6 marks)</strong>
<Answers questionNumber="1f" />
</li>
</ol>
</li>

<li>
<h4 className="mb-2 font-bold">Question 2</h4>
<ol className="flex list-[lower-alpha] flex-col gap-2">
<li>
Define the following terms as used in Java development environment.
<ol className="mx-4 list-[lower-roman]">
<li>Javac.exe</li>
<li>Java.exe</li>
</ol>
<strong className="whitespace-nowrap">(4 marks)</strong>
<Answers questionNumber="2a" />
</li>
<li>
Why is the Java programming language platform independent?
Illustrate with a diagram.{" "}
<strong className="whitespace-nowrap">(4 marks)</strong>
<Answers questionNumber="2b" />
</li>
<li>
What is a loop?{" "}
<strong className="whitespace-nowrap">(2 marks)</strong>
<Answers questionNumber="2c" />
</li>
<li>
Write a Java application that computes the sum of square of even
numbers between 2 and 50.{" "}
<strong className="whitespace-nowrap">(5 marks)</strong>
<Answers questionNumber="2d" />
</li>
</ol>
</li>

<li>
<h4 className="mb-2 font-bold">Question 3</h4>
<ol className="flex list-[lower-alpha] flex-col gap-2">
<li className="list-[lower-alpha]">
Define the following:
<ol className="mx-4 list-[lower-roman]">
<li>Local variable</li>
<li>Instance variable.</li>
</ol>
<strong className="whitespace-nowrap">(4 marks)</strong>
<Answers questionNumber="3a" />
</li>
<li>
What is a static method? Illustrate with one example.{" "}
<strong className="whitespace-nowrap">(4 marks)</strong>
<Answers questionNumber="3b" />
</li>
<li>
Write a method that converts a Fahrenheit temperature to Celsius
temperature using the expression:{" "}
<code>Celsius = (Fahrenheit - 32) * 0.55</code>{" "}
<strong className="whitespace-nowrap">(4 marks)</strong>
<Answers questionNumber="3c" />
</li>
<li>
Give the syntax of the <code>while</code> loop.{" "}
<strong className="whitespace-nowrap">(3 marks)</strong>
<Answers questionNumber="3d" />
</li>
</ol>
</li>

<li>
<h4 className="mb-2 font-bold">Question 4</h4>
<ol className="flex list-[lower-alpha] flex-col gap-2">
<li>
Define enhanced for loop.{" "}
<strong className="whitespace-nowrap">(2 marks)</strong>
<Answers questionNumber="4a" />
</li>
<li>
State one situation in which the use of the enhanced is valuable.
<strong className="whitespace-nowrap">(2 marks)</strong>
<Answers questionNumber="4b" />
</li>
<li>
Highlight three methods available in the predefined class called
Arrays. <strong className="whitespace-nowrap">(3 marks)</strong>
<Answers questionNumber="4c" />
</li>
<li>
Write a java program segment to illustrate each of the methods
stated in (4c){" "}
<strong className="whitespace-nowrap">(6 marks)</strong>
<Answers questionNumber="4d" />
</li>
</ol>
</li>

<li>
<h4 className="mb-2 font-bold">Question 5</h4>
<ol className="flex list-[lower-alpha] flex-col gap-2">
<li>
Define the following as used in Java file processing:
<ol className="mx-4 list-[lower-roman]">
<li>Stream</li>
<li>Text file</li>
<li>Sequential file.</li>
</ol>
<strong className="whitespace-nowrap">(6 marks)</strong>
<Answers questionNumber="5a" />
</li>
<li>
Write a Java program that requests from the user matriculation
number, total points earned, total units registered and compute the
GPA using the expression:{" "}
<code>GPA = Total Points Earned / Total Units Registered</code>.
Write your output consisting of Matriculation No., Total Units,
Total Points, and GPA to a file named honour.txt.{" "}
<strong className="whitespace-nowrap">(7 marks)</strong>
<Answers questionNumber="5b" />
</li>
<li>
Highlight two differences between a primitive variable and
non-primitive variable.{" "}
<strong className="whitespace-nowrap">(2 marks)</strong>
<Answers questionNumber="5c" />
</li>
</ol>
</li>

<li>
<h4 className="mb-2 font-bold">Question 6</h4>
<ol className="flex list-[lower-alpha] flex-col gap-2">
<li>
Define an ArrayList. llustrate with an example.{" "}
<strong className="whitespace-nowrap">(4 marks)</strong>
<Answers questionNumber="6a" />
</li>
<li>
Define a static method. Illustrate with one example.{" "}
<strong className="whitespace-nowrap">(4 marks)</strong>
<Answers questionNumber="6b" />
</li>
<li>
The scores of ten students in a given examination are represented in
a one-dimensional array as follows: 57 40 34 61 66 56 48 56 52 51.
Write methods to accomplish the following:
<ol className="mx-4 list-[lower-roman]">
<li>
Compute the largest score{" "}
<strong className="whitespace-nowrap">(3.5 marks)</strong>
<Answers questionNumber="6c" />
</li>
<li>
Compute the smallest score{" "}
<strong className="whitespace-nowrap">(3.5 marks)</strong>
<Answers questionNumber="6c" />
</li>
</ol>
</li>
</ol>
</li>
</Questions>
);
}
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