CSDC101 - Control Structure 1

CSDC101 - Control Structures 1

Sequence | Selection | Repetition

Multiple Choice

int x = 0;

cin >> x;

cout << xx << endl;

The statement above is an example of what control structure?

• Sequence

• Selection

• Repetition

Multiple Choice

What is the output of the logical expression below?

(true || false) && (!true || !false)

• true

• false

Multiple Choice

Which gets to be evaluated first in the expression below?

(true || false) && (!true || !false)

• true

• false

• !true

• !false

• (true || false)

Multiple Choice

If the value of count is 0 and the value of limit is 10, evaluate if the expression below returns true or false.

(count == 0) && (limit < 20)

• true

• false

Multiple Choice

If the value of count is 0 and the value of limit is 10, evaluate if the expression below returns true or false.

count == 0 && limit < 20

• true

• false

Multiple Choice

If the value of count is 0 and the value of limit is 10, evaluate if the expression below returns true or false.

(limit > 20) || (count < 5)

• true

• false

Multiple Choice

If the value of count is 0 and the value of limit is 10, evaluate if the expression below returns true or false.

!(count == 12)

• true

• false

Multiple Select

Which of the following is/are true about IF statements? Check all that applies.

• The only way for the body of IF statement to execute is for the condition to be TRUE.

• It repeats the block of code

• The body is executed first before testing the condition.

• The condition is always tested before executing the body.

• It executes a statement or a block of statement depending on some condition(s).

Multiple Choice

What is the value of x after performing the code block below?

 $int\ x\ =\ 0;$  

 $if\left(x>1\right)\ x\ =\ x\ +\ 1;$ 

  $x\ =\ x\ +\ 2;$  

• 0

• 1

• 2

• 3

Multiple Choice

Which is true about if-else statements?

• Both the body of If and Else will be performed regardless of the result if the condition.

• Only the body of the If statement is performed if the condition is true.

• Only the body of the else statement is performed if the condition is true.

• The else statement requires a condition for its body to execute.

Multiple Choice

if x is 3, what is the output of the code snippet below?

• test

• run

• test run

• No output

Multiple Choice

What is the output of the code snippet below if x is 3?

• test

• run

• test run

• no output

Multiple Choice

What is the value of y if x =3?

• 1

• 2

• 3

• 4

Multiple Choice

If x is 2, what is the output of the code snippet?

• is

• a break

• is a break

• is a break indeed.

• This is a break

Multiple Choice

If x is 2, what is the output of the code snippet?

• is

• a break

• is a break

• is a break indeed.

• This is a break