Quiz on Decision Control Structures in C Programming

What keyword is used to implement the decision control instruction in C?

• switch

• if

• while

• for

What is the purpose of the else statement in an if-else construct?

• To execute a statement if the condition is true

• To create a loop

• To execute a statement if the condition is false

• To terminate the program

What is the general form of an if statement for multiple statements?

• if(condition) statement;

• if(condition) { block of statement; }

• if { condition } statement;

• if(condition) then statement;

What does the break statement do in a switch-case structure?

• Exits the switch block

• Starts a new case

• Ends the program

• Continues to the next case

Which of the following cannot be tested using a switch statement?

• String expressions

• Float expressions

• Integer expressions

• Character expressions

What is the default case in a switch statement used for?

• To handle all cases

• To execute the first case

• To handle the case when none match

• To terminate the program

What is an if-else ladder?

• A series of nested if statements

• A single if statement

• A switch statement

• A loop structure

In a nested if-else structure, where can you place another if statement?

• Inside either the if or else block

• Only inside the if block

• Only inside the else block

• Outside the if-else structure

What is the main advantage of using a switch statement over an if-else ladder?

• It is faster

• It requires less memory

• It is easier to read

• It can handle more complex conditions

What happens if you omit the break statement in a switch case?

• Execution will continue to the next case

• The program will crash

• Only the current case will execute

• The switch statement will terminate