a) when process is scheduled to run after some execution b) when process is using the CPU c) when process is ...
View QuestionWhich facility dynamically adds probes to a running system, both in user processes and in the kernel?
a) DMap b) DAdd c) DLocate d) DTrace Answer: d Explanation: A facility that dynamically adds probes to a ...
View QuestionWhich one of the following is not true?
a) kernel is the program that constitutes the central core of the operating system b) kernel remains in ...
View QuestionWhich system call can be used by a parent process to determine the termination of child process?
a) get b) wait c) exit d) fork Answer: b Explanation: wait() system call is used by ...
View QuestionThe OS X has ____________
a) monolithic kernel b) microkernel c) hybrid kernel d) monolithic kernel with modules Answer: c Explanation: OS X has ...
View QuestionTo access the services of operating system, the interface is provided by the ___________
a) System calls b) Assembly instructions c) Library d) API Answer: a Explanation: To access services of the Operating ...
View QuestionIf a process fails, most operating system write the error information to a ______
a) another running process b) log file c) new file d) none of the above Answer: b Explanation: If ...
View QuestionWhat is the main function of the command interpreter?
a) to get and execute the next user-specified command b) to handle the files in operating system c) to ...
View QuestionWhat is an operating system?
a) collection of programs that manages hardware resources b) interface between the hardware and application programs c) system service ...
View QuestionWhich one of the following error will be handle by the operating system?
a) lack of paper in printer b) power failure c) connection failure in the network d) all of the above
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