What are Relational Operators?
In real life, we make decisions based on comparisons all the time — 'Is it raining? Then take an umbrella.' In programming, we make comparisons using relational operators. These operators compare two values and return either true or false.
A relational operator compares two values and returns a Boolean result — either true or false. These are also called comparison operators.
Relational Operators in PictoBlox
PictoBlox provides relational operator blocks in the Operators palette. They are represented as hexagonal blocks because they return a true/false value.
Relational Operators in PictoBlox
Boolean Values
Relational operators always return a Boolean value. A Boolean can only be one of two things: true or false. These values are the foundation of decision-making in programming.
Boolean values are named after mathematician George Boole, who developed the algebra of logic. Every condition in programming ultimately reduces to true or false.
Using Relational Operators with Variables
Relational operators are most useful when comparing variables. For example, you can check if a player's score is greater than 10, or if a sprite's x position is less than 0.
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