Boolean is a subset of algebra producing true or false statement. Produced by the English mathematician and computer pioneer George Boole, a Boolean includes providers for example AND, OR, NOT, and XOR. Booleans are utilized in today and development in Internet search engines.

Boolean expressions are words that lead to the worthiness of both correct and false. While most search engines support boolean operators, their syntax requirements may different.

They use “+” and “-” instead “AND” or “OR”. Below is the simple example of Boolean expression.

x AND y – returns True if both x and y are true; returns False if either x or y are false.

var status:Boolean = false;

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The computer mouse as we know it today was invented and developed by Douglas Engelbart, with the assistance of Bill English, during the 1960’s and was patented on November 17, 1970