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The MAIN OBJECTIVE of multiprogramming is to have PROCESS running at all times. With this design, CPU utilization is SAID to be MAXIMIZED.

The main objective of multiprogramming is to have process running at all times. With this design, CPU utilization is said to be maximized.

Real-time systems are USED when rigid time REQUIREMENTS have been placed on the operation of a PROCESSOR. It has well DEFINED and fixed time constraints.

Real-time systems are used when rigid time requirements have been placed on the operation of a processor. It has well defined and fixed time constraints.

With an increased NUMBER of processors, there is CONSIDERABLE increase in throughput. It can also save more money because they can SHARE resources. Finally, OVERALL reliability is increased as WELL.

With an increased number of processors, there is considerable increase in throughput. It can also save more money because they can share resources. Finally, overall reliability is increased as well.

DEMAND paging is referred when not all of a process’s PAGES are in the RAM, then the OS brings the missing(and required) pages from the disk into the RAM.

Demand paging is referred when not all of a process’s pages are in the RAM, then the OS brings the missing(and required) pages from the disk into the RAM.

Operating systems exist for TWO main PURPOSES. ONE is that it is designed to MAKE sure a computer system performs well by managing its computational activities. Another is that it provides an environment for the DEVELOPMENT and execution of programs.

Operating systems exist for two main purposes. One is that it is designed to make sure a computer system performs well by managing its computational activities. Another is that it provides an environment for the development and execution of programs.