ITEC 625 ITEC625 Final Exam Answers (Summer 2016)
1. _________________software controls a single function such as a braking, flight control or medical device. 2. In preemptive dispatching which process or jobs have priority? __________________ 3. Encode the number < -4 >as a 1’s complement binary number? _______________ 4. In Windows NTFS systems the first record of a file stores what information? ______________ 5. How many bits are required to encode all ASCII symbols _________________ 6. The OS ______________ function selects the next process to be executed. 7. What device typically sits between the CPU and I/O device._______________ 8. Multiprocessing with a single core processor is ________________. 9. The log file records every transaction that requires a ______ access to the file system? 10. Name the three forms of file protection ______ ________ ______. 11. There are two methods of achieving concurrent processing… They are _______ and _____?
12. An indexed non-contiguous file contains one and only one ___________ block
13. Encode the ASCII symbol < 9 > to a binary number: 00111100 00111001 00111110 or 00111001
14. The file manager translates logical requests into _____________ requests
15. The solutions to deadlocking is to synchronize _________________
16. Convert the number < -12 > to an 8 bit 2’s complement binary number _______________
17. The formula for the average latency time for a disk access = __________
18. In a mirrored RAID system the _______________ is marked when a read error occurs?
19. Programmed I/O is controlled by the ____________________
20. Convert the number < 3 3/8 > to a binary decimal number. ______________
21. What dispatching scheme is inherently fair?.
22. The scheduler part of the OS allocates ________________ for various tasks to execute.
23. 1100 0001 0110 1000 0000 0000 0000 0000 represents a negative _3244818432______________
number.
24. The bootstrapper loads the ______________ into memory.
25. A process context contains ___________________
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