C Programming - MCQ Practice Questions

What is the primary difference between a while loop and a do-while loop?

In a nested loop structure, which statement will skip only the inner loop's current iteration?

Consider a switch statement with multiple cases. If a case matches and break is omitted, what happens?

What will be the behavior of a for loop with an empty body and no statements inside braces?

In the expression (x > 5) ? (y = 10) : (y = 20), what does y equal if x is 3?

Which control flow structure allows execution of code only if a certain condition is met?

What is the output of executing break in a nested loop context?

In a switch statement, which keyword provides a default case if no cases match?

What is the correct syntax for a for loop that iterates from 0 to 9?

Which of the following correctly uses the conditional (ternary) operator?

How many times will a do-while loop execute if the condition is initially false?

In control flow, which statement is used to explicitly exit from a program?

What happens when continue is used in a for loop with a post-increment expression?

Which control structure allows checking multiple conditions in sequence using else-if?

In a switch statement, case values must be of which type?

What is the effect of using multiple break statements in nested loops?

What is the scope of a variable declared in the initialization section of a for loop?

Which statement is best suited for implementing a menu-driven program with exact matching?

What will be the output of the following code? int i = 0; while(i < 3) { printf("%d ", i++); if(i == 2) continue; }

Which keyword is used to exit a loop prematurely in C?