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COMPUTER SYSTEM STRUCTURE MCQs – CHAPTER 1 DAE

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1. . What is an operating system?





2. . Where is the operating system placed in the memory?





3. . If a process fails, most operating systems write the error information to a ______





4. . In operating system, each process has its own __________





5. . The main memory accommodates ____________





6. . The operating system is responsible for___________





7. . The operating system and the other processes are protected from being modified by an already running process because ____________





8. . The operating system maintains a ______ table that keeps track of how many frames have been allocated, how many are there, and how many are available.





9. . In real time operating system ____________.





10. . The operating system keeps a small table containing information about all open files called ____________





11. . Whenever a process needs I/O to or from a disk it issues a ____________





12. . The two steps the operating system takes to use a disk to hold its files are _______ and ________





13. . 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.





14. . Which principle states that programs, users, and even the systems be given just enough privileges to perform their task?





15. . Which one of the following errors will be handled by the operating system?





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