Question

PLEASE ANSWER AS MANY AS YOU CAN, BUT TRY TO FINISH THEM ALL

1. In a switch statement, the expression following the word case can be a variable

   1. True

   2. False

4. Assume C is a char variable, the following statement will read a space character into c when the user enters a space character and presses the enter/ return key.

cin >> c;

1. True

2. False

5. Which statement will read an entire line of input into the following string object?

string address;

1. getline (cin, address) ;

2. cin >> address;

3. None of these

4. cin

5. cin. get (address) ;

6. Assume a and b are two bool variables, which is an equivalent of the following expression?

!(a || b)

1. !a||b

2. None of these

3. !a||!b

4. !a&&!b

7. This manipulator is used to establish a field width for the value immediately following it:

1. field_width

2. iomanip

3. setw

4. set_field

5. None of these

8. Given the following code segment, what is output after “result =” ?

intx=1, y=0, z=1;

y=y+z;

x=x+y;

cout << “result= ”

      <<( y<x? y : x)

      << endl;

1. 3

2. None of these

3. 1

4. 0

5. 2

9. What will the following segment of code output?

score =40;

if (score >95)

        cout<< “Congratulations!\n”;

        cout << “Thats a high score!\n”;

     cout << “This is a test question!” << endl;

1. That’s a high score!

This is a test question!

2. NONE OF THESE

3. Congratulations!

That’s a high score!

4. Congratulations!

That’s a high score!

This is a test question!

I WILL UPVOTE, PLEASE HELP

Answer 1

Q:-3 In a switch statement, the expression following the word case can be a variable.

• True
• False

Answer:-----
True

4. Assume C is a char variable, the following statement will read a space character into c when the user enters a space character and presses the enter/ return key.

cin >> c;

• True
• False

Answer:-----
True

5. Which statement will read an entire line of input into the following string object?

string address;

getline (cin, address) ;

cin >> address;

None of these

cin

cin. get (address) ;

Answer:-----
getline (cin, address) ;

6. Assume a and b are two bool variables, which is an equivalent of the following expression?

!(a || b)

!a||b

None of these

!a||!b

!a&&!b

Answer:------
!a&&!b

7. This manipulator is used to establish a field width for the value immediately following it:

field_width

iomanip

setw

set_field

None of these

Answer:------
setw

8. Given the following code segment, what is output after “result =” ?

intx=1, y=0, z=1;

y=y+z;

x=x+y;

cout << “result= ”

<<( y<x? y : x)

<< endl;

• 3
• None of these
• 1
• 0
• 2

Answer:------
1

9. What will the following segment of code output?

score =40;

if (score >95)

cout<< “Congratulations!\n”;

cout << “Thats a high score!\n”;

cout << “This is a test question!” << endl;

That’s a high score!

This is a test question!

NONE OF THESE

Congratulations!

That’s a high score!

Congratulations!

That’s a high score!

This is a test question!

Answer:---------
That’s a high score!

This is a test question!