What does the `printf` function do in a C program?

It prints output to the console.

In a scenario where a switch statement is used to determine the grade based on a numerical score, which implementation would be most effective for handling ranges of scores (e.g., 90-100 for an 'A')? Options: Using multiple case labels for each score, Using if-else statements instead of a switch, Implementing a default case to cover all ranges, Using a switch statement with cases for each individual score

Using if-else statements instead of a switch

Consider a switch statement that is designed to process user input for a menu-driven program. If the user inputs a value that is not defined in any of the cases, what is a best practice for the program to follow?

The program should prompt the user to enter a valid option.

In a complex application where performance is critical, a developer decides to use a switch statement instead of multiple if-else statements. Which reason best justifies this decision?

A switch statement allows for cleaner and more readable code

If a player inputs a command that is not recognised in a text-based game using a switch statement, which implementation would best enhance user experience? Options: Display a generic error message, Provide a list of valid commands, Ignore the input and continue the game, Restart the game from the beginning

Provide a list of valid commands

In the context of the switch statement, what is the primary purpose of the `break` statement?

To exit the switch statement after executing the matching case

Why might a programmer choose to omit the `break` statement in certain cases within a switch statement?

To allow execution of multiple cases consecutively

If the switch statement does not match any of the defined cases, what will happen if a `default` case is provided?

The code inside the default case will be executed

In the context of a while loop, what is the primary purpose of the condition that is evaluated during each iteration?

To determine whether the loop should continue executing

What would happen if the condition in a while loop is always true?

The loop will execute infinitely until manually stopped

When implementing a multiplication table using a while loop, what is the significance of incrementing the count variable within the loop?

It allows the loop to terminate after a specific number of iterations

In a do-while loop, how does the execution differ from that of a while loop?

The loop body is guaranteed to execute at least once regardless of the condition.

If you were to create a multiplication table that counts down from 10 to 1 using a while loop, which of the following statements best describes the approach you would take? Options: Start with a count variable set to 1 and increment it until it reaches 10, Start with a count variable set to 10 and decrement it until it reaches 1, Use a do-while loop with a condition that checks if the product is less than 10, Use a while loop that multiplies the count variable by 10 each iteration

Start with a count variable set to 10 and decrement it until it reaches 1

What is the primary purpose of an array in programming?

To store multiple data items of the same type together

What will happen if you attempt to access an array element using an index that is out of bounds?

The program will throw a runtime error

In the context of arrays, what does the term "array elements" refer to?

The individual values stored in the array

If you want to compute the average marks of five subjects using an array, what would be the first step?

Create an array to store the marks

In the context of C programming, why is it beneficial to use functions to divide a program into smaller blocks of code?

It simplifies debugging and enhances code readability.

When defining a function in C, what does the 'return type' specify?

The type of data that the function will return after execution.

Consider the function prototype `int addNumbers(int number1, int number2);`. Which of the following statements is true regarding this function? It does not return a value. It can only accept integer values. It can accept floating-point values as parameters. It must be called before it is defined in the code.

It must be called before it is defined in the code.

What is the primary purpose of the `return` statement in a function?

To pass control back to the calling function and optionally return a value.

Which of the following best describes the difference between user-defined functions and standard library functions in C? User-defined functions are always faster than standard library functions., Standard library functions can be modified by the programmer, while user-defined functions cannot., User-defined functions are created by the programmer, while standard library functions are built-in and predefined in library files., There is no difference; both types of functions are created in the same way.

User-defined functions are created by the programmer, while standard library functions are built-in and predefined in library files.

In the context of recursion, what happens when the base case is reached?

The function returns a value and stops calling itself

What is the purpose of the parameter 'n' in the sum function discussed in the video?

To represent the number of times the function should run

What would happen if the recursive function does not have a proper base case?

The function will run indefinitely, causing a stack overflow

Recursive functions always execute faster than iterative functions

Recursion can lead to cleaner and more understandable code

What is the significance of the base case in the recursive function that computes the GCD of two numbers using the Euclidean algorithm?

It prevents infinite recursion; without it, the function would run indefinitely.

C Programming Flashcard Flashcards

Student preview

57 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the primary purpose of the C programming language?

Back

To rewrite the Unix operating system

2.

FLASHCARD QUESTION

Front

Why is C programming still relevant despite the emergence of newer languages like Python and JavaScript?

Back

It offers fast and efficient performance for system-level programming.

3.

FLASHCARD QUESTION

Front

According to the video, what is a common first programming language taught in universities?

Back

C

4.

FLASHCARD QUESTION

Front

What is one of the key benefits of learning C programming mentioned in the video?

Back

It helps in understanding how software interacts with hardware.

5.

FLASHCARD QUESTION

Front

In C programming, what is the significance of the `main` function?

Back

It is the entry point of every C program.

6.

FLASHCARD QUESTION

Front

What is the purpose of the `#include` directive in a C program?

Back

To include standard input and output functions.

7.

FLASHCARD QUESTION

Front

Which of the following statements about the `return` statement in C is true? Options: It is mandatory for all functions., It indicates the end of a program., It is used to return a value from a function., It is only used in the `main` function.

Back

It is used to return a value from a function.

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