Logic gates are fundamental components in digital circuits, enabling various applications such as arithmetic operations, data processing, and control systems. They are used in computing devices to perform calculations, manage data flow, and execute logical operations. For instance, NOT, AND, OR, NAND, NOR, and XOR gates can be combined to create complex circuits that perform tasks like addition and subtraction in arithmetic logic units (ALUs). Additionally, logic gates play a crucial role in digital signal processing, where they help manipulate signals for applications like audio and video processing. A binary selective mask is a technique used in digital systems to filter or manipulate binary data. It allows for the selection of specific bits within a binary number, enabling operations like masking certain bits to isolate or modify data. This concept is often applied in data encryption, error detection, and correction processes, enhancing the functionality of logic gates in various applications.