Logical Operations
TLDR: Logical operations are fundamental computational operations that evaluate expressions to return a boolean result: true or false. These operations are widely used in programming languages and computer systems to make decisions, control flow, and compare values. Common logical operations include AND, OR, and NOT, which form the basis of boolean algebra. Introduced alongside early digital computing in the mid-20th century, these operations remain a cornerstone of computer science.
https://en.wikipedia.org/wiki/Logic_operation
Logical operations work on boolean inputs, evaluating whether conditions are met based on predefined rules. The AND operation returns true only if both inputs are true, while OR returns true if at least one input is true. The NOT operation inverts the value, making true become false and vice versa. These operations are implemented at both the hardware level, in the form of logic gates, and in software, through programming constructs like conditional statements and loops.
https://www.gnu.org/software/libc/manual/html_node/Logical-Operators.html
Modern programming languages like Java and Python extend the concept of logical operations with additional operators such as XOR (exclusive OR) and ternary operations for shorthand conditional expressions. Logical operations are heavily used in data validation, decision-making algorithms, and control flow structures like if-else statements and while loops. Mastering their usage is essential for writing efficient and error-free code in applications ranging from basic scripts to complex software systems.
https://docs.oracle.com/javase/tutorial/java/nutsandbolts/operators.html