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Operating System (OS) Practice Test Questions
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An Operating System is system software that manages computer hardware and software resources, and provides common services for computer programs. After being initially loaded into the computer by a boot program, the operating system manages all of the other application programs in a computer. The application programs make use of the operating system by making requests for services through a defined application program interface (API). The 5 popular operating systems are: Apple macOS, Microsoft Windows, Linux Operating System, Google's Android OS, and Apple iOS. (The last two are operating... Show more
Operating System (OS) Practice Test Questions
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25 Questions

1. An edge from process Pi to Pj in a wait for graph indicates that _____________.............
2. To avoid deadlock
3. The _____________program initializes all aspects of the system, from CPU registers to device controllers and the contents of main memory, and then starts the operating system.
4. Which is the process of invoking the wait
5. When the process issues an I/O request _____________
6. A problem encountered in multitasking when a process is perpetually denied necessary resources is called _____________.............
7. What is the drawback of banker’s algorithm?
8. Which one of the following linux file system does not support journaling feature?
9. What is a semaphore?
10. Thread pools help in _____________.............
11. The scheme used in the above question is known as _____________or _____________
12. Binding of instructions and data to memory addresses can be done at _____________.............
13. What are the operations that can be invoked on a condition variable?
14. Which one of the following is not a valid state of a thread?
15. External fragmentation will not occur when?
16. A process is thrashing if _____________.............
17. A process stack does not contain
18. In the............. algorithm, the disk arm starts at one end of the disk and moves toward the other end, servicing requests till the other end of the disk. At the other end, the direction is reversed and servicing continues.
19. What is operating system?
20. A block device transfers _____________.............
21. When a process begins execution with no pages in memory?
22. First linux kernel which supports the SMP hardware was
23. The circular wait condition can be prevented by _____________.............
24. Each connection arriving at multi threaded servers via network is generally
25. A set of processes is deadlock if

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