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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Christopher Latham Sholes (February 14, 1819 – February 17, 1890) was an American inventor who invented the QWERTY keyboard and along with Frank Haven Hall, Samuel W. Soule, Carlos Gladden and John Pratt, has been contended as one of the …

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