C Programming Assignment 2024

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Questions and Answers

What is required to be submitted along with each program for the assignment?

  • Sample inputs and outputs (correct)
  • A video demonstration of the program
  • A printed version of the code
  • A flowchart and pseudo-code only

What should the essay focus on regarding the C programming language?

  • The future of programming languages
  • Its importance and real-world applications (correct)
  • Its historical significance and origins
  • The impact of C on other programming languages

Which of the following data types is NOT explicitly mentioned as required in the assignment?

  • int
  • double (correct)
  • float
  • char

What type of character input does the program checking for vowels or consonants specifically validate against?

<p>Alphabet characters (C)</p> Signup and view all the answers

Which of the following is NOT a component required in the C program that converts temperature?

<p>User function for input (A)</p> Signup and view all the answers

What is the primary purpose of using pointers in C programming?

<p>To enable dynamic memory allocation (A)</p> Signup and view all the answers

Which of the following data types is best suited for storing a character in C?

<p>char (C)</p> Signup and view all the answers

In C programming, what is the result of using an uninitialized pointer?

<p>It may point to random memory locations (C)</p> Signup and view all the answers

Which of the following statements correctly describes the role of file handling in C programming?

<p>It enables reading and writing files to and from disk (B)</p> Signup and view all the answers

What is the significance of the 'int' data type in C programming?

<p>It can store integer values. (D)</p> Signup and view all the answers

Which of the following best describes a data type in programming?

<p>A data type determines the size and layout of data in memory. (D)</p> Signup and view all the answers

Which of the following is NOT a fundamental data type in C programming?

<p>String (B)</p> Signup and view all the answers

When declaring a variable in C, what aspect of the variable is affected by its data type?

<p>The operations that can be performed on it. (D)</p> Signup and view all the answers

What is the primary purpose of using constants in C programming?

<p>To ensure values remain unchanged during program execution. (C)</p> Signup and view all the answers

In C programming, which of the following defines a floating-point data type?

<p>It stores decimal values. (A)</p> Signup and view all the answers

What character typically indicates the beginning of a comment in C programming?

<p>// (D)</p> Signup and view all the answers

Which type of data storage allows multiple values of different types in C?

<p>Structure (B)</p> Signup and view all the answers

What does declaring a variable as 'unsigned int' signify in C?

<p>The variable cannot store negative values. (C)</p> Signup and view all the answers

How does the data type of a variable affect memory allocation in C?

<p>Different data types require different amounts of memory. (D)</p> Signup and view all the answers

Which of the following correctly describes the significance of variable naming conventions in C?

<p>They help in enhancing code readability and maintenance. (A)</p> Signup and view all the answers

What is the primary purpose of a function prototype in programming?

<p>To declare the function's return type (B), To specify the function parameters and their types (C)</p> Signup and view all the answers

Which of the following best describes how parameters are passed to a function by value?

<p>The function receives a copy of the variable's value (D)</p> Signup and view all the answers

What is an array of structures primarily used for?

<p>To group related data items of different types into a single unit (C)</p> Signup and view all the answers

In a two-dimensional array, how are elements accessed?

<p>Using two indices that represent the row and column (B)</p> Signup and view all the answers

When defining a structure, which of the following is not allowed?

<p>Using the same name for multiple structures (C)</p> Signup and view all the answers

What does recursion in a function imply?

<p>The function calls itself with a modified argument (D)</p> Signup and view all the answers

Which of the following statements accurately describes character arrays?

<p>They automatically become null-terminated strings (B)</p> Signup and view all the answers

What is a key characteristic of a union in programming?

<p>It can only contain one active member at a time (C)</p> Signup and view all the answers

What do pointers refer to in programming?

<p>The address in memory where a variable is located (D)</p> Signup and view all the answers

Which technique is used to pass a structure to a function?

<p>By pointer reference to modify original data (B), By value to create a copy of the structure (D)</p> Signup and view all the answers

How are enumerations used in programming?

<p>To group related constant values into a single type (C)</p> Signup and view all the answers

Which of the following statements is true about passing arrays to functions?

<p>Arrays are passed by reference, not by value (A)</p> Signup and view all the answers

What role does initialisation play in defining variables?

<p>It assigns an initial value to the variable (A)</p> Signup and view all the answers

Which of the following describes the concept of data types in programming?

<p>They determine how variables can be constructed and manipulated (D)</p> Signup and view all the answers

Flashcards

Find Largest Number

A program that takes three numbers as input and determines the greatest one.

C Programming Importance

An essay explaining the value of C language in today's technology.

Temperature Conversion

A C program to convert Celsius to Fahrenheit and vice versa.

C Data Types

A C program showcasing different variable types (int, float, char).

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Vowel/Consonant Check

A program to categorize a user-input character as vowel or consonant.

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Flowchart

A visual representation of an algorithm using symbols and arrows to show the steps and flow of information.

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Pseudocode

A simplified, human-readable description of an algorithm using natural language and programming-like structures.

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Algorithm

A set of well-defined instructions to solve a problem or achieve a specific result.

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What is C language good for?

C is widely used in systems programming, embedded systems, game development, and other applications requiring performance and controllability.

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C program structure

A C program consists of functions, including the main function, which is the starting point of execution.

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Constants

Values that remain fixed throughout a program's execution, defined using the const keyword.

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Variables

Named containers that hold data that can be modified during program execution.

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What does 'int' stand for in C?

An integer, which represents a whole number without a decimal point.

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What does 'float' stand for in C?

A floating-point number, which can represent numbers with decimal points.

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Algorithm Implementation

The process of writing code (like in C) to make an algorithm work on a computer. This involves translating the steps of the algorithm into a specific set of instructions that the computer can understand.

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Pointers

Variables that hold memory addresses, allowing you to directly manipulate the location of data in your program. Think of them as directions to specific spots in your computer's memory.

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File Handling

Working with files on your computer from within your C program. This includes reading information from files, writing new data to them, and managing the files themselves.

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C Programming Constructs

Basic building blocks in C programming that help you structure your code and control the flow of instructions, such as loops, conditional statements, and functions.

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Design and Implement Algorithms

The process of creating and writing code for algorithms, taking into account both the logical steps and the specific programming language (like C) used to execute them. This includes planning the steps, writing the code, and testing it.

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Function

A block of code that performs a specific task and can be reused throughout a program.

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Function declaration

The process of defining a function by specifying its name, return type, and parameters.

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Function call

Executing a function by invoking its name and passing any required arguments.

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Function prototype

A function declaration that specifies the function's return type, name, and parameters, without the function body.

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Parameters

Variables that are passed to a function when it's called; they allow data to be shared with the function.

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Call by value

Passing a copy of the actual argument to the function, so changes made within the function don't affect the original variable.

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Recursion

A function that calls itself, often used to solve problems that can be broken down into smaller, similar subproblems.

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Array

A collection of elements of the same data type, stored in contiguous memory locations.

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Array declaration

Declaring an array by specifying its data type, name, and size.

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Array initialization

Assigning values to array elements during declaration or later in the code.

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One-dimensional array

An array where each element has a single index, representing its position in a linear sequence.

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Two-dimensional array

An array where each element has two indices: one for row and one for column, forming a grid-like structure.

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Character array

An array specifically used to store a sequence of characters, often representing a string.

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Passing array to function

Sending an array to a function as an argument, allowing the function to access and manipulate its elements.

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Study Notes

Assignment Instructions

  • Assignments are worth 50 marks (5 questions x 10 marks each)
  • All programs must be well-commented and properly indented.
  • Each program goes in a separate .c file.
  • Include sample inputs and outputs for each program.
  • Programs should be handwritten in a notebook with 80 pages.
  • Due date is October 23, 2024.

CO1: Problem Solving and C Programming

  • Question 1: Create a flowchart and pseudocode for a program that finds the largest of three input numbers.
  • Question 2: Write an essay (200-300 words) explaining the importance of C programming in modern applications, and give examples of where it's still used.
  • Question 3: Create a C program that converts temperatures between Celsius and Fahrenheit. The program should prompt the user to choose the conversion type. Include a flowchart and pseudocode to describe the program logic before writing the code.
  • Question 4: Write a C program that demonstrates the use of constants, variables, and different data types (e.g., int, float, char).
  • Question 5: Create a C program that takes a character input from the user. The program must determine if the input is a vowel or consonant. If the input is not an alphabet character, display an error message.

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