Secure C Programming: Preventative Measures

What is the purpose of the two printf statements in the first C program?

To prompt the user to enter a value
To display multiple lines of text
To format the output with a new line character
To print a single line of text with a space in between (correct)

Which escape sequence is used in the second C program to move the output cursor to the beginning of the next line?

\b
\t
\r
\n (correct)

In C programming, what is the purpose of the 'scanf' function?

To control the flow of program execution
To define variables within a program
To print output to the screen
To read formatted input from the user (correct)

What is the significance of the backslash character ('') in C programming?

It denotes escape sequences in strings (D) Signup and view all the answers

Why is it important to follow variable naming conventions in C programming?

To make the code more readable and understandable (A) Signup and view all the answers

In C programming, which character is used in the format control string to indicate that the user should enter an integer?

%d (C) Signup and view all the answers

What does the ampersand symbol (&) followed by a variable name indicate when used with the scanf function in C programming?

It tells scanf the memory location of the variable for storing user input. (B) Signup and view all the answers

When using scanf to take user input in C programming, why is it important to provide the correct data type in the format control string?

To ensure that the correct type of data is read from user input. (A) Signup and view all the answers

What is the purpose of the line 'scanf("%d", &integer1);' in the given C program?

To read an integer input from the user for 'integer1' (A) Signup and view all the answers

When prompting the user to enter a value in C programming, what is the purpose of providing a clear message?

To guide the user on what input is expected. (D) Signup and view all the answers

What is the purpose of the line 'printf("Enter second integer: ");' in the C program?

To display the message 'Enter second integer:' (A) Signup and view all the answers

Why is it important to initialize variables before using them in C programming?

To ensure predictable behavior and avoid unexpected results. (A) Signup and view all the answers

What type of values are stored in the variables 'integer1' and 'integer2' in the C program?

Whole-number integer values (A) Signup and view all the answers

Which function is used to read user input in the C program?

scanf (A) Signup and view all the answers

What is the purpose of the line 'sum = integer1 + integer2;' in the C program?

To add the values of 'integer1' and 'integer2' (D) Signup and view all the answers

What should be considered when defining variables in a C program?

Defining variables with a name and a type before they can be used (D) Signup and view all the answers

Which of the following is true about variable naming in C programming?

Choosing meaningful variable names can improve program readability (B) Signup and view all the answers

What is the purpose of a 'prompt' in a C program?

To tell the user to take a specific action (C) Signup and view all the answers

How should multiple-word variable names be formatted in C programming for better readability?

Run the words together and begin each subsequent word with a capital letter, e.g., totalCommissions (B) Signup and view all the answers

In C programming, what is the importance of defining variables close to their first use?

It is a good coding practice for easy debugging (A) Signup and view all the answers

What purpose do comments serve in a C program?

Improve program readability and help others understand the program (A) Signup and view all the answers

What is the purpose of the #include preprocessor directive in C?

Include library information used by the compiler (D) Signup and view all the answers

Which type of characters are generally ignored by the compiler in a C program?

Blank lines, space characters, and tab characters (white space) (C) Signup and view all the answers

What is the primary function of the scanf function in C?

Read input data from the user (A) Signup and view all the answers

Why is it important to use meaningful variable names in a C program?

To improve code readability and understanding (A) Signup and view all the answers

What does the 'f' in the printf function stand for?

Formatted (A) Signup and view all the answers

Why is it important to end every statement in C programming with a semicolon?

To separate different parts of the statement (C) Signup and view all the answers

What does void in parentheses after main function signify?

It does not receive any information (D) Signup and view all the answers

Which keyword is used to indicate that a function returns an integer value in C programming?

int (A) Signup and view all the answers

What is the purpose of the 'scanf' function in C programming?

To read input from the user (A) Signup and view all the answers

In C programming, why is it important to provide a clear message when prompting the user to enter a value?

To improve readability and guide the user (C) Signup and view all the answers

What is the significance of following variable naming conventions in C programming?

To enhance code readability and maintainability (B) Signup and view all the answers

When formatting user inputs in C programming, what is the purpose of using the '%s' format control string with printf?

To display a string without a terminating newline character (B) Signup and view all the answers

Which function is commonly used to read user input in C programming?

scanf (D) Signup and view all the answers

Why is it essential to initialize variables before using them in C programming?

To prevent accessing garbage values or undefined behavior (A) Signup and view all the answers

What role does the 'scanf' function play when taking user input in C programming?

It reads formatted input from the user (D) Signup and view all the answers