Final answer:
c. cookies. Cookies are small text files created by websites and stored by web browsers on your hard disk. They are used to track user information and provide personalized experiences on websites.
Step-by-step explanation:
Cookies are small text files created by websites and stored on your hard disk by your web browser. They are used to track and save user information for various purposes, such as remembering login credentials, personalizing website settings, and analyzing user behavior.
For example, when you visit a website and log in, it may use a cookie to remember your login details so that you don't have to enter them every time you visit.
Apps are standalone software applications that can be installed on devices like smartphones, tablets, or computers to perform specific tasks. They are different from cookies, which are specific to websites and stored by web browsers.