Computer accessories are additional devices that enhance the functionality and usability of a computer. Common examples include keyboards, mice, monitors, and printers. These accessories can improve user experience, making tasks easier and more efficient. Other accessories, such as webcams, speakers, and external hard drives, provide extra features for specific needs. For instance, webcams are essential for video calls, while external hard drives offer additional storage space. Overall, computer accessories play a vital role in personalizing and optimizing computer use.