16 Choose the CORRECT statement/statements from the following. i) degree of multiprogramming will be controlled by long-term scheduler ii) CPU-scheduler is also called as long-term scheduler iii) CPU-bound process invests less I/O time iv) removing a process from main memory and reintroducing into main memory is called swapping O i), iii) and iv) are correct Only iii) is correct Both i) and ii) are correct Both i) and iii) are correct