True/false
in linking databases to the web, the role of the application server is to host the dbms.

True

Explanation:

Since most database applications are Server-Client  structured, the User interface sits on the clients and the database sits in the server... when I say database I'm referring to the DBMS (Database Management System). A server is needed to host the DBMS and in turn it stores data from the UI and feeds data back to the UI based on the instruction written by the developer.

Internal fragmentation occurs when the last allocation unit is not full. External fragmentation occurs when space is wasted between two allocation units. In a paging system, the wasted space in the last page is lost to internal fragmentation.

In a paging system where fixed size of pages are allocated to the program and last partition of the program may not require entire page.

In a pure segmentation system where memory is not contiguously allocated in fixed partition leading to unused memory blocks.

Explanation: