Program Control Structures: Conditional Control Structures

Question 1

Whether the indentation exists or not, the compiler will, by default, associate an else with the closest previous unpaired if.

Answer 1

True

Question 2

Break statements are used when you want your program flow to come out of the switch body.

Answer 2

True

Question 3

The default case can be used for performing a task when none of the cases is true.

Answer 3

True

Question 4

If no break appears, the flow of control will fall through to subsequent cases until a break is reached.

Answer 4

True

Question 5

In switch, if there is a match, the associated block of code is executed

Answer 5

True

Question 6

A break can save a lot of execution time because it “ignores” the execution of all the rest of the code in the switch block.

Answer 6

True

Question 7

Which of the following must be present in the switch construct?

Answer 7

expression in () after switch

Question 8

If no break appears, the flow of control will fall through to subsequent cases until a break is reached

Answer 8

True

Question 9

To make the multiple statements become a compound statement, enclosed the statements with brackets [].

Answer 9

False curly brackets is the right answer.

Question 10

The constant-expression for a case may be a floating point number.

Answer 10

False

Question 11

In switch, the value of the expression is compared with the values of each case.

Answer 11

True

Question 12

Whenever a break statement is encountered in the switch body, the execution flow would directly come out of the switch, ignoring rest of the cases

Answer 12

True

Question 13

Each case is followed by the value to be compared to and a semicolon.

Answer 13

True

Question 14

The break statement causes an exit ________.

Answer 14

Innermost loop or switch

Question 15

Nested switch statements should be avoided as it makes program more complex and less readable.

Answer 15

True

Question 16

When you have the default keyword in your switch, you are required to place a break statement.

Answer 16

False

Question 17

As soon as a true condition is found, the statement associated with it is executed, and the rest of the ladder is bypassed.

Answer 17

True

Question 18

the program is wrong when in switch statement it uses string

Question 19

List of Program Control Structures:

Answer 19

1. Sequential
2. Selection
3. Repetition
4. Invocation

Question 20

The normal flow of control for all programs is

Answer 20

Sequential

Question 21

is used to select which statements are
performed next based on a condition

Answer 21

Selection

Question 22

is used to repeat a set of statements

Answer 22

Repetition