C Programming Quiz

What does the \n character do in a C program?

• It creates a new line

• It creates a space

• It creates a tab

• It creates a backslash

What is the purpose of comments in C?

• To output text

• To create text variables

• To explain and document code

• To print text and numbers with a simple line of code

Which data type is used to store integers (whole numbers) in C?

• char

• float

• int

• double

What format specifier is used to print an integer value in C?

• %f

• %d

• %c

• %s

What happens when you assign a new value to an existing variable in C?

• The previous value is overwritten

• The previous value is deleted, and the variable is cleared

• The new value is ignored

• An error occurs

How do you declare multiple variables of the same type in C?

• Separate each variable with a semicolon

• Use a comma-separated list

• Declare each variable on a new line

• Use square brackets around variable names

What is a recommended practice when naming variables in C?

• Use short, single-letter names like x and y

• Use descriptive names to create understandable code

• Use reserved words as variable names

• Use random combinations of letters and numbers

Which data type is used to store whole numbers in C?

• float

• char

• int

• double

What is the correct syntax to declare a char variable with the letter 'A'?

• char myGrade = A;

• char myGrade = 'A';

• char myGrade = "A";

• char myGrade = 'a';

Which data type would you use to store a whole number without decimals?

• float

• double

• int

• char