E-commune, an e-commerce company, uses small text files with unique id tags to collect users' data. these text files are embedded in a web browser and saved on the user's hard drive. they make it possible for e-commune to customize its web page for its customers. given this information, it can be concluded that e-commune uses to collect data.

Cookies are bits of information about one’s visit to webpage stored in a computer’s hard drive. These bits provide personalized experience to site visitors. Cookies are also responsible for making for customizing pages for users. Cookies are sometimes useful such as those that are used by a website to welcome you or those that remember your personal information.

answer: internal fragmentation is the difference between the (fixed) size of a memory hole and the data within in that memory. for example, if a 1,024 byte block of memory holds 800 bytes of data, then the 224 bytes difference is considered lost to internal fragmentation.

external fragmentation occurs when the sum of memory fragments is large enough to satisfy a request, but the holes are non-contiguous and the request cannot be satisfied. this can occur when memory is dynamically allocated and freed.

explanation:

answer///router;