41. In MS-DOS, relocatable object files and load modules have extensions
A. .OBJ and .COM or .EXE, respectively
B. .COM and .OBJ, respectively
C. .EXE and .OBJ, respectively
D. .DAS and .EXE, respectively
E. None of the above
42. The state transition initiated by the user process itself in an operating system is
A. block
B. dispatch
C. wake up
D. timer run out
E. None of the above
43. Which of the following program is not a utility?
A. Debugger
B. Editor
C. Spooler
D. All of the above
E. None of the above
44. The function(s) of file system is (are):
A. to provide complete file naming freedom to the users and to permit controlled sharing of files
B. to provide for long and short term storage of files with appropriate economic tradeoffs.
C. to provide security against loss of information due to system failure
D. all of the above
E. None of the above
45. A public key encryption system
A. allows anyone to decode the transmission
B. allows only the correct sender to decode the data
C. allows only the correct receiver to decode the data
D. does not encode the data before transmitting it
E. None of the above
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