Control Structures – Objective Questions

Which of the following is a conditional control statement?

• for

• while

• if

• goto

What is the output of the following code? int x = 10; if (x > 5) printf("Hello"); else printf("World");

• Hello

• World

• HelloWorld

• No output

Which of the following statements is used to make decisions in a program?

• if

• switch

• both a and b

• while

Which of the following is a looping statement?

• a) if

• b) switch

• c) for

• d) goto

What is the correct syntax of a for loop?

• for(initialization; condition; increment)

• for(condition; initialization; increment)

• for(increment; initialization; condition)

• for(condition; increment; initialization)

The while loop is executed —

• At least once

• Zero or more times

• Only once

• Until the condition is false

The do-while loop is executed —

• Zero or more times

• At least once

• Only once

• Until an error occurs

What will happen in this code? for(int i=0; i<5; i++); { printf("%d", i); }

• Prints 0 to 4

• Prints 5

• Syntax error

• Infinite loop

The break statement is used to —

• Exit from a loop or switch

• Skip one iteration

The continue statement —

• Stops the loop

• Skips the rest of the code and goes to the next iteration

• Ends the program

• Causes a syntax error