Question 1

When the condition is tested and the result is false, the loop
body will be skipped and the first statement after the while loop
will be executed.

Accepted Answer

True

Question 2

What's wrong?
do{
}
while( (i < 10) && (i > 24))

Accepted Answer

the test condition is always true

Question 3

When using while loop is that we need to use __________
statement inside while loop so that the loop variable gets
changed on each iteration, and at some point condition returns
false

Accepted Answer

increment or decrement

Question 4

Which of the following while clauses tells the computer to exit
the loop when the value in the age variable is greater than or
equal to the number 0?

Accepted Answer

while (age >= 0)

Question 5

A do-while loop that never stops is said to be the infinite while
loop, when we give the condition in such a way so that it never
returns ___

Accepted Answer

False

Question 6

The statement i++; is equivalent to ________

Accepted Answer

i = i + 1;

Question 7

for loop is pre-test loop

Accepted Answer

True

Question 8

What's wrong? for (int k = 2, k <=12, k++)

Accepted Answer

the commas should be semicolons

Question 9

the variable must always be the letter i when using a for loop
Which for loop is correct?

Accepted Answer

for (i=0; i<10; i++);

Question 10

If there is more than one statement in the block of a while loop,
which of the following must be placed at the beginning and the
ending of the loop block?

Accepted Answer

braces { }

Question 11

The loop iterates while the condition is true.

Accepted Answer

True

Question 12

What's wrong?
int x=1;
while [x<5]{
cout<<x;
x++;
}

Accepted Answer

test condition should be enclosed in parenthesis

Question 13

the variable must always be the letter i when using a for loop
there should be a semicolon after do keyword
the increment should always be ++x
What is the final value of x when the code int x=0; while(x<10)
{x++;} is run?

Accepted Answer

1

Question 14

When the condition becomes true, program control passes to
the line immediately following the loop.

Accepted Answer

False

Question 15

If the test expression is false, the loop terminates (ends).

Accepted Answer

True

Question 16

Which of the following is most suitable for a menu-driven
program?

Accepted Answer

Do-while

Question 17

What's wrong?
int x=1;
do { cout<<x;
x++;
} while (x<5)

Accepted Answer

there should be a semicolon at the end of while keyword

Question 18

The while loop evaluates the test expression inside the
parenthesis {} if it is true.

Accepted Answer

False

Question 19

What is the effect of writing a break statement inside a loop?

Accepted Answer

It cancels remaining iterations

Question 20

A __________ statement causes execution to skip to the next
iteration of the loop

Accepted Answer

continue

Question 21

When a break statement is encountered inside a loop, the
control directly comes out of loop and the loop gets terminated.

Accepted Answer

True

Question 22

Which of the following loop constructs perform the statement at
least once?

Accepted Answer

do-while

Question 23

The destination point is identified by a label, which is then used
as an argument for the goto instruction.

Accepted Answer

True

Question 24

What is correct syntax of for loop?

Accepted Answer

for(initialization, condition, increment/decrement)

Question 25

A continue statement causes execution to skip to ____

Accepted Answer

the next iteration of the loop

Question 26

In for loop, initialization happens first and only once

Accepted Answer

True

Question 27

Condition in for loop is evaluated on each loop iteration, if the
condition is false then the statements inside the for loop body
gets executed

Accepted Answer

False

Question 28

Determine the output of the given program segment.
int s = 0, j;
for( j = 1; j < 3; j++)
s = s + j*j;
cout << s;

Accepted Answer

3

Question 29

Consider the following loop : for(int i=0; i<5; i++) ;
What will be the value of i after this loop?

Accepted Answer

5

Question 30

Values that are used to end loops are referred to as _____ values.

Accepted Answer

Sentinel

Question 31

A while loop that never stops is said to be the infinite while loop,
when we give the condition in such a way so that it never
returns ___.

Accepted Answer

False

Question 32

Given that the increment/decrement operator is ++/-- and the
first testing is true in a loop, the formula to compute for the
number of loops when using the relational operator > is |TV – IV|
+ 1

Accepted Answer

False

Question 33

PROGRAM is printed unlimited number of times.

Accepted Answer

PROGRAM

Question 34

What is the output of C++ Program?
#include<iostream>
using namespace std;
int main(){
int a=25;
while(a <= 27)
{
cout<<a<<" ";
a++;
}
return 0;
}

Accepted Answer

25 26 27

Question 35

int x=1,y=2,z=3;
for (int ctr=1;ctr<=10;ctr++)
cout<<ctr<<" iteration"<< endl;
cout<<"	 x="<<x<<endl;
cout<<"	 y="<<y<<endl;
cout<<"	 z="<<z<<endl;
x+=y;
y+=z;
z+=ctr;
What are the values of x, y, and z in the second iteration,
respectively?

Accepted Answer

3;5;4

Question 36

Simulate the following code snippet
int a=1,b=1,c=1;
for (int ctr=c;ctr<=10;ctr++)
{
cout<<ctr<<" iteration"<<endl;
a++; b+=5; c+=a;
cout<<"	 a= "<<a<<endl;
cout<<"	 b= "<<b<<endl;
cout<<"	 c= "<<c<<endl;
}
What is the final value of b?

Accepted Answer

51

Question 37

What number will the following code display on the computer
screen?
int sum = 0;
int y = 0;
do
{
for ( int x = 1; x < 5; x++)
sum += x;
y = y + 1;
} while ( y < 3);
cout << sum << endl;

Accepted Answer

30

Question 38

If we change the condition from ctr<=10 to ctr<10, how many
iterations will the statement have?

Accepted Answer

9

Question 39

A loop inside another loop is called a nested loop.

Accepted Answer

True

Question	Answer
When the condition is tested and the result is false, the loop body will be skipped and the first statement after the while loop will be executed.	True
What's wrong? do{ } while( (i < 10) && (i > 24))	the test condition is always true
When using while loop is that we need to use __________ statement inside while loop so that the loop variable gets changed on each iteration, and at some point condition returns false	increment or decrement
Which of the following while clauses tells the computer to exit the loop when the value in the age variable is greater than or equal to the number 0?	while (age >= 0)
A do-while loop that never stops is said to be the infinite while loop, when we give the condition in such a way so that it never returns ___	False
The statement i++; is equivalent to ________	i = i + 1;
for loop is pre-test loop	True
What's wrong? for (int k = 2, k <=12, k++)	the commas should be semicolons
the variable must always be the letter i when using a for loop Which for loop is correct?	for (i=0; i<10; i++);
If there is more than one statement in the block of a while loop, which of the following must be placed at the beginning and the ending of the loop block?	braces { }
The loop iterates while the condition is true.	True
What's wrong? int x=1; while [x<5]{ cout<<x; x++; }	test condition should be enclosed in parenthesis
the variable must always be the letter i when using a for loop there should be a semicolon after do keyword the increment should always be ++x What is the final value of x when the code int x=0; while(x<10) {x++;} is run?	1
When the condition becomes true, program control passes to the line immediately following the loop.	False
If the test expression is false, the loop terminates (ends).	True
Which of the following is most suitable for a menu-driven program?	Do-while
What's wrong? int x=1; do { cout<<x; x++; } while (x<5)	there should be a semicolon at the end of while keyword
The while loop evaluates the test expression inside the parenthesis {} if it is true.	False
What is the effect of writing a break statement inside a loop?	It cancels remaining iterations
A __________ statement causes execution to skip to the next iteration of the loop	continue
When a break statement is encountered inside a loop, the control directly comes out of loop and the loop gets terminated.	True
Which of the following loop constructs perform the statement at least once?	do-while
The destination point is identified by a label, which is then used as an argument for the goto instruction.	True
What is correct syntax of for loop?	for(initialization, condition, increment/decrement)
A continue statement causes execution to skip to ____	the next iteration of the loop
In for loop, initialization happens first and only once	True
Condition in for loop is evaluated on each loop iteration, if the condition is false then the statements inside the for loop body gets executed	False
Determine the output of the given program segment. int s = 0, j; for( j = 1; j < 3; j++) s = s + j*j; cout << s;	3
Consider the following loop : for(int i=0; i<5; i++) ; What will be the value of i after this loop?	5
Values that are used to end loops are referred to as _____ values.	Sentinel
A while loop that never stops is said to be the infinite while loop, when we give the condition in such a way so that it never returns ___.	False
Given that the increment/decrement operator is ++/-- and the first testing is true in a loop, the formula to compute for the number of loops when using the relational operator > is \|TV – IV\| + 1	False
PROGRAM is printed unlimited number of times.	PROGRAM
What is the output of C++ Program? #include<iostream> using namespace std; int main(){ int a=25; while(a <= 27) { cout<<a<<" "; a++; } return 0; }	25 26 27
int x=1,y=2,z=3; for (int ctr=1;ctr<=10;ctr++) cout<<ctr<<" iteration"<< endl; cout<<"\t x="<<x<<endl; cout<<"\t y="<<y<<endl; cout<<"\t z="<<z<<endl; x+=y; y+=z; z+=ctr; What are the values of x, y, and z in the second iteration, respectively?	3;5;4
Simulate the following code snippet int a=1,b=1,c=1; for (int ctr=c;ctr<=10;ctr++) { cout<<ctr<<" iteration"<<endl; a++; b+=5; c+=a; cout<<"\t a= "<<a<<endl; cout<<"\t b= "<<b<<endl; cout<<"\t c= "<<c<<endl; } What is the final value of b?	51
What number will the following code display on the computer screen? int sum = 0; int y = 0; do { for ( int x = 1; x < 5; x++) sum += x; y = y + 1; } while ( y < 3); cout << sum << endl;	30
If we change the condition from ctr<=10 to ctr<10, how many iterations will the statement have?	9
A loop inside another loop is called a nested loop.	True

"Know" box contains:
Time elapsed:
Retries:

Stack #4001933