C Programming Basics Quiz

What is the format specifier for a floating-point number in printf()?

• %d

• %c

• %f

• %s

What will happen if you input a floating-point number using %d in scanf()?

• It will store the integer part.

• It will cause a runtime error.

• It will store the floating-point value.

• It will print a warning.

Which of the following statements is correct?

• printf() is used to read input from the user.

• scanf() is used to display output.

• Both printf() and scanf() work with format specifiers.

• None of the above.

What is the typical size of an int on a 32-bit system?

• 2 bytes

• 4 bytes

• 8 bytes

• 1 byte

Which of the following is a valid use of the void data type?

• Declaring a variable of type void.

• Declaring a function that does not return a value.

• Declaring a pointer to hold integer data.

• Returning multiple values from a function.

Which of the following is not a primitive data type in C?

• int

• float

• array

• char

Which control statement is best suited for multiple choices?

• if-else

• switch-case

• for

• goto

What will the following code output? int x = 10; if (x > 5) printf("Greater"); else printf("Smaller");

• Smaller

• Greater

• Error

• None of the above

In which loop is the condition checked after the loop body has been executed?

• for

• while

• do-while

• None of the above

What happens when break is used in a loop?

• The loop restarts.

• The loop exits immediately.

• It skips to the next iteration.

• It throws an error.