1. When the process issues an I/O request
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it is placed in an i/o queue
it is placed in a waiting queue
it is placed in the ready queue
2. What is the solution to starvation?
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the number of rollbacks must be included in the cost factor
the number of resources must be included in resource preemption
resource preemption be done instead
3. What is the high speed memory between the main memory and the CPU called?
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register memory
cache memory
storage memory
4. What are the two types of Semaphore?
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Digital Semaphores and Binary Semaphores
Analog Semaphores and Octal Semaphores
Counting Semaphores and Binary Semaphores
5. What does D in the D-flip flop stand for?
6. Which of the following memory unit that processor can access more rapidly
7. Which of the following is the system tool?
8. When a computer is first turned on or restarted, a special type of absolute loader called ____ is executed
9. Main memory commonly is implemented in a semiconductor technology called
10. Jobs are kept initially on the disk in the
11. All unsafe states are
12. When using counters to implement LRU, we replace the page with the
13. A single is a virtual interrupt which is created by which of the following
14. ___________ acts as an intermediary between the computer user and the computer hardware
15. Virtual memory allows
16. General-purpose computers run most of their programs from rewritable memory, called
17. Which of the following is the drawback of the One to One Model?
18. When is the Many to One model at an advantage?
19. Dijkstra’s banking algorithm in an operating system solves the problem of
20. Which of the following page replacement algorithms suffers from Belady’s anomaly?
21. Using a pager
22. If no cycle exists in the resource allocation graph
23. In which type of the following OS, the response time is very crucial.
24. What are the requirements for the solution to critical section problem?
25. When a process begins execution with no pages in memory?
26. If the memory access time is denoted by ‘ma’ and ‘p’ is the probability of a page fault (0 <= p <= 1). Then the effective access time for a demand paged memory is
27. A buffer where the data will be read into and written from is
28. What will happen when a process terminates?
29. When the instructions are being executed, this state is known as
30. The main function of the command interpreter is
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