Toán tử trong C ++

This code will output 0.

cout<< 23 % 2 <<endl;

• True

• False

Which of these operators increments an integer variable by one?

• **

• ++

• --

• $$

Upon execution, what is stored in variable P?

P = 14 - 6 * 2;

• 16

• 2

• 22

• 26

What should be the values of variable b and variable h to get the value of area equals to 75 where area = 0.5 * b * h;

• b = 10

  h = 10

• b = 15

  h = 15

• b = 10

  h = 15

• b = 20

  h = 10

What is the output of the given statement?

P = 20 + 4 – 50 % 6;

• 22

• 26

• 2

• 12

Which of the following is an example of arithmetic operators in C++ programming?

• &&

• ||

• %

• $$

Which of the following statements is TRUE about logical And (&&) operator?

• The output is 1 only when anyone of the values is 0.

• The output is 1 only when all values are 0.

• The output is 1 only when anyone of the values is 1.

• The output is 1 only when all values are 1.

If A = 1, B = 0 and C = 1 then what is stored in W?

W = !(A && B || C);

• 1

• 0

• -1

• Error

If A = 0, B = 1 and C = 1 then what is stored in W?

W = (A || B && C);

• 0

• 1

• -1

• Error

Consider the given code. What is the value of y upon execution?

int Y = 5;

Y++;

Y++;

cout<<Y*2;

• 5

• 10

• 7

• 14