A dual-core processor is a type of central processing unit (CPU) that contains two separate processing units, or cores, on a single chip. This design allows the processor to handle multiple tasks simultaneously, improving overall performance and efficiency. Dual-core processors are commonly found in personal computers, laptops, and some mobile devices. By having two cores, a dual-core processor can execute two instructions at the same time, which is beneficial for multitasking and running demanding applications. This technology is a significant advancement over single-core processors, as it enhances speed and responsiveness in various computing tasks, making it suitable for both everyday use and more intensive applications like gaming and video editing.