Computer applications are software programs designed to help users perform specific tasks on a computer or mobile device. These applications can range from simple tools like word processors and spreadsheets to more complex software like graphic design programs and video editing suites. They are essential for both personal and professional use, enabling users to create documents, analyze data, and communicate effectively. There are various types of computer applications, including desktop applications, which run on personal computers, and web applications, which operate through internet browsers. Additionally, mobile applications are designed for smartphones and tablets, providing users with on-the-go access to various functionalities.