## When a relational expression is false it has the value?

A relational expression evaluates to 1 if the relation is true and evaluates to **0** if the relation is false.

## Which operator provides the value when it is false?

The **false operator** returns the bool value true to indicate that its operand is definitely false.

## Is a relational operator True or false?

The and operator also operates on two logical operands. **The result of an and expression is true only if both operands are true; it is false if either or both are false**. The or/and operators shown here are used for scalars, or single values….1.6 Relational Expressions.

Operator | Meaning |
---|---|

== | equality |

~= | inequality |

## What is the result of logical or relational expression in C True or false?

3. What is the result of logical or relational expression in C? Explanation: **None**.

## What is relational operator in C++?

C++ Relational Operators A relational operator is **used to check the relationship between two operands**. For example, // checks if a is greater than b a > b; Here, > is a relational operator. It checks if a is greater than b or not.

## What are relational expressions?

A relational expression is **a test between two or more statements**. If the test passes, then the result is true. Otherwise it's false. You will also hear the phrase ''evaluate to true,'' or ''evaluate to false. '' If the expression is true (for example, 7 is less than 8), then we say the expression evaluates to true.

## Is false and false false?

As you can see from the truth table, it is only if both conditions are true that the conjunction will equate to true. If one or other or both of the conditions in the conjunction are false, then the conjunction equates to false….AND truth table.

P | Q | P AND Q |
---|---|---|

FALSE | TRUE | FALSE |

FALSE | FALSE | FALSE |

## What is the value of true or false?

There are just two values of type bool: true and false. They are used as the values of expressions that have yes-or-no answers. C++ is different from Java in that type bool is actually equivalent to type int. **Constant true is 1 and constant false is 0**.

## Is false and false true?

As you can see from the truth table, it is only if both conditions are true that the conjunction will equate to true. If one or other or both of the conditions in the conjunction are false, then the conjunction equates to false….AND truth table.

P | Q | P AND Q |
---|---|---|

TRUE | FALSE | FALSE |

FALSE | TRUE | FALSE |

FALSE | FALSE | FALSE |

## What does false and false evaluate to?

**TRUE (say: not true) to evaluate to FALSE and !** **FALSE (say: not false) to evaluate to TRUE**. Try using the NOT operator and the equals operator to find the opposite of whether 5 is equal to 7. ! 5 == 7 ## (1) TRUE.

## What happens to the second operand expression of the first operand is false?

Whether it is normal AND operator or Short Circuit AND operator, both operands should be TRUE to give output as true. If the first operand itself is false, **there is no point in evaluating the second expression**.

## What is relational expression?

A relational-expression **indicates the condition that the system evaluates**. The result of the evaluation of the relational-expression always depends on two factors: the operation specified, and the values of the operands or expressions that are compared at execution time.

## What is the result of a relational operator?

Relational operators always yield a **TRUE or FALSE result**. Remember that a TRUE result evaluates to any non-zero value (often 1), while a FALSE result evaluates only to zero. Relational operators have a lower precedence than the arithmetic operators.

## What is relational expression in C++?

C++ like relational expressions are defined for use as **boolean arguments to procedures and for use with conditional expressions**. The relational operators are: "==" <true> if the expressions are equal.

## When false and false is true?

As you can see from the truth table, it is only if both conditions are true that the conjunction will equate to true. **If one or other or both of the conditions in the conjunction are false, then the conjunction equates to false**….AND truth table.

P | Q | P AND Q |
---|---|---|

TRUE | FALSE | FALSE |

FALSE | TRUE | FALSE |

FALSE | FALSE | FALSE |

## Is 1 false or true C++?

Boolean Variables and Data Type Zero is used to represent false, and **One is used to represent true**. For interpretation, Zero is interpreted as false and anything non-zero is interpreted as true. C++ is backwards compatible, so the C-style logic still works in C++. ( "true" is stored as 1, "false" as 0. )

## What is the value of true in C++?

1 In C++, the data type bool has been introduced to hold a boolean value, true or false. The values true or false have been added as keywords in the C++ language. Important Points: **The default numeric value of true is 1** and false is 0.

## Is 0 false or true in C++?

Boolean Variables and Data Type **Zero is used to represent false**, and One is used to represent true. For interpretation, Zero is interpreted as false and anything non-zero is interpreted as true. C++ is backwards compatible, so the C-style logic still works in C++.

## Does false false equal true?

As you can see from the truth table, it is only if both conditions are true that the conjunction will equate to true. **If one or other or both of the conditions in the conjunction are false, then the conjunction equates to false**….AND truth table.

P | Q | P AND Q |
---|---|---|

TRUE | FALSE | FALSE |

FALSE | TRUE | FALSE |

FALSE | FALSE | FALSE |

## Why false false is true?

It is true **because A⟹B means "whenever A is true, then B is also true"**. So to check if A⟹B is true, it is equivalent to check that whenever B is false, then A is also false (it is called the contraposition). Then in your case, since q is always false, and p is always false, p⟹q is always true.

## What is the result of a relational operator in C++?

In C, C++ programming languages, Relational operators **return an integer value of 0 or 1, where 0 indicates False and 1 stands for True**.

## What is the result of a relational operator Select one either true or false is less than or is more than is equal or less or more all of these?

Answer: a) **either true or false**.

## What is relational expression in C programming?

A relational expression is **a test between two or more statements**. If the test passes, then the result is true. Otherwise it's false. You will also hear the phrase ''evaluate to true,'' or ''evaluate to false. '' If the expression is true (for example, 7 is less than 8), then we say the expression evaluates to true.

## What is the value of true && false C++?

In C/C++ of course we use "and","&&" and "or","||" and "not","!". Watch out: **"true + true" evaluates to 2 in C/C++ via internal representation of true and false as 1 and 0**, and the implicit cast to int!

## What is false in C++?

**Zero is used to represent false**, and One is used to represent true. For interpretation, Zero is interpreted as false and anything non-zero is interpreted as true. C++ is backwards compatible, so the C-style logic still works in C++. ( "true" is stored as 1, "false" as 0. )

## What is true/false in C++?

**Zero is used to represent false, and One is used to represent true**. For interpretation, Zero is interpreted as false and anything non-zero is interpreted as true. C++ is backwards compatible, so the C-style logic still works in C++. ( "true" is stored as 1, "false" as 0. )

## What will be the result of false and false?

Answer. Answer: The first expression False==True is evaluated to False . Now the expression becomes False or False so it results in **False** .

## What is relational operators in C++?

C++ Relational Operators A relational operator is **used to check the relationship between two operands**. For example, // checks if a is greater than b a > b; Here, > is a relational operator. It checks if a is greater than b or not.

## Which of the following operators will return a true value with one operand is false?

Explanation: Operator | returns true if any one operand is true, thus 'c = true | false' is true. **Operator &** returns a true if both of the operand is true thus d is false.

## What is a relational expression in C++?

C++ like relational expressions are defined for use as **boolean arguments to procedures and for use with conditional expressions**. The relational operators are: "==" <true> if the expressions are equal.