Operating System Architecture MCQs | Page - 4
Dear candidates you will find MCQ questions of Operating System Architecture here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. The advantage of binary files over text files is that
✅ Correct Answer: (D)
all of these
Q. The permission bits of a filenoname,can be set to - rws - - * - - * by the command
✅ Correct Answer: (D)
none of above
Q. /bin/passwork has the user execution permission set to 's' because
✅ Correct Answer: (D)
all of these
Q. If are does not want anyone else to read or write to a file named datfile,except through a program in a file filex,then he may use
✅ Correct Answer: (D)
both a & b
Q. Writing a c program that accepts input from keyboard,rather than from a file is advantageous because
✅ Correct Answer: (C)
both a & b
Q. Consider the following program main ( )
{ printf ("Aayush won a football match on
\n"); system ("date");
printf("In Berlin"); } if a.out is the executable code corresponding to the above source code,then the command a.out >out f
{ printf ("Aayush won a football match on
\n"); system ("date");
printf("In Berlin"); } if a.out is the executable code corresponding to the above source code,then the command a.out >out f
✅ Correct Answer: (A)
redirects the output of date to a file out f
Q. The Hardware at centre of UNIX system provides………….
✅ Correct Answer: (B)
operating system with basic services
Q. Operating System is also called as ……….
✅ Correct Answer: (C)
both a and b
Q. Program such as Shell and editors interact with kernel by invoking ……….
✅ Correct Answer: (C)
system calls
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