Core bits are the essential components of a computer's processing unit, specifically within the CPU (Central Processing Unit). They handle the fundamental tasks of executing instructions and processing data. Each core can perform its own operations, allowing for multitasking and improved performance in running multiple applications simultaneously. In modern CPUs, multiple core bits work together to enhance computing power. For example, a quad-core processor has four core bits, enabling it to manage several tasks at once more efficiently than a single-core processor. This design is crucial for applications that require significant processing capabilities, such as gaming and video editing.