A virtual memory scheme is using the following layout: Each frame is 8000 Bytes. Three users are using an editor. The editor is shared and uses 21000 Bytes. Its three pages are A B and C. User 1 is editing a 14000 Byte file, its pages are D and E. User B is editing a 7000 Byte file, it uses page F, user C is editing a 7500-byte file, it uses page G. The layout of physical memory is as shown. Sample answers are given

3. Give the address range of the free area _____________________. Give the names of

paged out pages, if any: ________________________. Give the number of bytes in

physical memory that is lost to fragmentation ____________________.