Table of Contents
- 1 Which operator return a true or false result?
- 2 Which operator is used to check if both given conditions are true?
- 3 When two conditions are joined by not the combined condition is true if one or both are true?
- 4 What is the result of false && false?
- 5 How many logical operators can be used to combine two relations?
Which operator return a true or false result?
The logical operators return TRUE or FALSE, which are defined as 1 and 0, respectively, depending on the relationship between the parameters. /is the logical not operator. && is the logical and operator. It returns TRUE if both of the arguments evaluate to TRUE.
Which operator will evaluate to TRUE if any of the two conditions are true?
Remarks. The logical AND operator ( && ) returns true if both operands are true and returns false otherwise. The operands are implicitly converted to type bool before evaluation, and the result is of type bool . Logical AND has left-to-right associativity.
Which operator will give true or false result always?
When operating on floating-point arguments (float, double), Boolean operators return true or false. This distinction is particularly important to keep in mind when using the not operator, which in other languages (e.g., Fortran) always returns a true or false result, regardless of argument type.
Which operator is used to check if both given conditions are true?
Comparison Operators
| Operator name | Usage | Result |
|---|---|---|
| Equal To | a == b | True if a is equal to b , false otherwise |
| Not Equal To | a != b | True if a is not equal to b , false otherwise |
| Greater Than | a > b | True if a is greater than b , false otherwise |
| Greater Than or Equal To | a >= b | True if a is greater than or equal to b , false otherwise |
Does False or False equal true?
if and only if both operands a and b do not have the same value. As mentioned in relational expressions, relational operators can only compare arithmetic values and cannot be used to compare logical values. To compare if two logical values are not equal, use ….Truth Tables.
| .OR. | .TRUE. | .FALSE |
|---|---|---|
| .FALSE. | .TRUE. | .FALSE. |
What happens if the tested condition is false?
In most (but not all) modern languages, there is a feature called “short circuit boolean evaluation”. This means that if the first part of an && condition is false, then the second part is not evaluated at all. A similar feature applies to || , where if the first part is true, the second part is not evaluated.
When two conditions are joined by not the combined condition is true if one or both are true?
when two conditions are joined by the logical AND operator, both must be true for the combined condition to be true. with OR operations, only one needs to be true for the combined condition to be true, so if first evaluates as true, the 2nd one isn’t evaluated.
When two conditions are joined by not the combined condition is true if one OR both are true?
Can if and else if both be true?
Use two if statements if both if statement conditions could be true at the same time. In this example, both conditions can be true. You can pass and do great at the same time. Use an if/else statement if the two conditions are mutually exclusive meaning if one condition is true the other condition must be false.
What is the result of false && false?
So in false && false , the left side is “falsey”, so the expression returns the left side, false .
What is the result of true && false?
If applied to boolean values, the && operator only returns true when both of its operands are true (and false in all other cases), while the || operator only returns false when both of its operands are false (and true in all other cases).
What does the conditional logical OR operator || do?
The conditional logical OR operator ||, also known as the “short-circuiting” logical OR operator, computes the logical OR of its operands. The result of x || y is true if either x or y evaluates to true. Otherwise, the result is false. If x evaluates to true, y is not evaluated.
How many logical operators can be used to combine two relations?
Only one logical operator can be used to combine two relations. However, multiple relations can be combined into a complex logical expression. Regardless of the number of relations and logical operators used to build a logical expression, the result is either true, false, or indeterminate because of missing values.
What is the difference between the unary & and ^ operators?
The unary & operator is the address-of operator. The ^ operator computes the logical exclusive OR, also known as the logical XOR, of its operands. The result of x ^ y is true if x evaluates to true and y evaluates to false, or x evaluates to false and y evaluates to true. Otherwise, the result is false.
What is the syntax for the conditional operator in JavaScript?
As the preceding example shows, the syntax for the conditional operator is as follows: The condition expression must evaluate to true or false. If condition evaluates to true, the consequent expression is evaluated, and its result becomes the result of the operation.