Two hundred memory units are available to the Operating System. Process A is using 50 units and can claim 60. Process B is using 10 units and can claim 30 units. Process C is using 40 units and can claim 60. Process D is using 80 units and can claim 100. Process A requests an additional 20 units. Can the Operating System grant the request? Why? Show all your work.  You may assume you are currently in a safe state.

A ______________ system uses electronics and software to perform a dedicated function.

Why do computers have Operating Systems? (Select the three that apply)

The four conditions for deadlock does not include

In interprocess communication (IPC), system calls are used in

For the page reference string shown in the time sequence below, At what time does the next page fault occur? What page is replaced under LRU? What page is put there? If instead, Optimal is being used, what page is replaced? In what situation would he length of the page fault take twice the time?     Time 32 33 34 35 36 37 38 39 40 PRS: 5 6 5 1 6 3 2 6 1 Frame 0 1                 Frame 1 5                 Frame 2 6                  

How many blocks are required for a 169,353-byte file with 8 k clusters?

Most round-robin schedulers use a fixed size quantum. What is a disadvantage of a long quantum?

A benefit of using threads includes

For a Windows system, what is the difference between a cumulative update and a build?