Options: (A)A class of graphic techniques used to visualize the contents of a database (B) The division of a certain space into various areas based on guide points. (C) A branch that connects one node to another (D) None of these
2.In memory management : A- Fetch Policy BCleaning Policy C- Placement Policy: 1- It determines when a modified page should be written out to secondary memory. 2- It determines when a page should be bought into main memory. 3- It determines where in real memory a process piece is to be reside.
Options: (A)A â€“ 1, B â€“ 2, C â€“ 3 (B) A â€“ 2, B â€“ 1, C â€“ 3 (C) A â€“ 2, B â€“ 1, C â€“ 3 (D) A â€“ 3, B â€“ 1, C â€“ 2 9