The two steps the operating system takes to use a disk to hold its files are and _ A. a) caching & logical formatting B. b) logical formatting & swap space creation C. c) swap space creation & caching D. d) partitioning & logical formatting Correct answer is: D. d) partitioning & logical formatting 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
A. a) caching & logical formatting B. b) logical formatting & swap space creation C. c) swap space creation & caching D. d) partitioning & logical formatting
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. A. a) bootstrap B. b) main C. c) bootloader D. d) rom Correct answer is: A. a) bootstrap 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
Network operating system runs on _ A. a) every system in the network B. b) server C. c) both server and every system in the network D. d) none of the mentioned Correct answer is: B. b) server 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
A. a) every system in the network B. b) server C. c) both server and every system in the network D. d) none of the mentioned
What are the types of distributed operating systems? A. a) Zone based Operating system B. b) Level based Operating system C. c) Network Operating system D. d) All of the mentioned Correct answer is: C. c) Network Operating system 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
A. a) Zone based Operating system B. b) Level based Operating system C. c) Network Operating system D. d) All of the mentioned
In Unix, which system call creates the new process? A. Exec B. Fork C. Wait D. Kill Correct answer is: B. Fork 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
Whenever a process needs I/O to or from a disk it issues a __ A. a) system call to the operating system B. b) a special procedure C. c) system call to the CPU D. d) all of the mentioned Correct answer is: A. a) system call to the operating system 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
A. a) system call to the operating system B. b) a special procedure C. c) system call to the CPU D. d) all of the mentioned
On systems where there are multiple operating system, the decision to load a particular one is done by _ A. a) process control block B. b) file control block C. c) boot loader D. d) bootstrap Correct answer is: C. c) boot loader 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
To recover from failures in the network operations _ information may be maintained. A. a) operating system B. b) ip address C. c) stateless D. d) state Correct answer is: D. d) state 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
The operating system _ the links when traversing directory trees, to preserve the acyclic structure of the system. A. a) deletes B. b) considers C. c) ignores D. d) none of the mentioned Correct answer is: C. c) ignores 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
The operating system keeps a small table containing information about all open files called __ A. a) file table B. b) directory table C. c) open-file table D. d) system table Correct answer is: C. c) open-file table 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
The information about all files is kept in __ A. a) operating system B. b) separate directory structure C. c) swap space D. d) none of the mentioned Correct answer is: B. b) separate directory structure 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
A. a) operating system B. b) separate directory structure C. c) swap space D. d) none of the mentioned
If the sum of the working – set sizes increases, exceeding the total number of available frames __ A. a) the operating system selects a process to suspend B. b) the system crashes C. c) then the process crashes D. d) the memory overflows Correct answer is: A. a) the operating system selects a process to suspend 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
A. a) the operating system selects a process to suspend B. b) the system crashes C. c) then the process crashes D. d) the memory overflows
The priority of a process will __ if the scheduler assigns it a static priority. A. a) depends on the operating system B. b) change C. c) remain unchanged D. d) none of the mentioned Correct answer is: C. c) remain unchanged 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
A. a) depends on the operating system B. b) change C. c) remain unchanged D. d) none of the mentioned
Which one of the following is a real time operating system? A. a) Windows CE B. b) RTLinux C. c) VxWorks D. d) All of the mentioned Correct answer is: D. d) All of the mentioned 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
For real time operating systems, interrupt latency should be __ A. a) zero B. b) minimal C. c) maximum D. d) dependent on the scheduling Correct answer is: B. b) minimal 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
Hard real time operating system has __ jitter than a soft real time operating system. A. a) equal B. b) more C. c) less D. d) none of the mentioned Correct answer is: C. c) less 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
In real time operating system __ A. a) process scheduling can be done only once B. b) all processes have the same priority C. c) kernel is not required D. d) a task must be serviced by its deadline period Correct answer is: D. d) a task must be serviced by its deadline period 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
A. a) process scheduling can be done only once B. b) all processes have the same priority C. c) kernel is not required D. d) a task must be serviced by its deadline period
The _ presents a uniform device-access interface to the I/O subsystem, much as system calls provide a standard interface between the application and the operating system. A. a) Device drivers B. b) I/O systems C. c) Devices D. d) Buses Correct answer is: A. a) Device drivers 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
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. A. a) memory B. b) mapping C. c) page D. d) frame Correct answer is: D. d) frame 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
Using transient code, _ the size of the operating system during program execution. A. a) maintains B. b) changes C. c) increases D. d) decreases Correct answer is: B. b) changes 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
The operating system and the other processes are protected from being modified by an already running process because __ A. a) every address generated by the CPU is being checked against the relocation and limit registers B. b) they have a protection algorithm C. c) they are in different memory spaces D. d) they are in different logical addresses Correct answer is: A. a) every address generated by the CPU is being checked against the relocation and limit registers 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
A. a) every address generated by the CPU is being checked against the relocation and limit registers B. b) they have a protection algorithm C. c) they are in different memory spaces D. d) they are in different logical addresses
The main memory accommodates __ A. a) cpu B. b) user processes C. c) operating system D. d) all of the mentioned Correct answer is: C. c) operating system 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
Swapping _ be done when a process has pending I/O, or has to execute I/O operations only into operating system buffers. A. a) must never B. b) maybe C. c) can D. d) must Correct answer is: A. a) must never 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
A deadlock avoidance algorithm dynamically examines the __ to ensure that a circular wait condition can never exist. A. a) operating system B. b) resources C. c) system storage state D. d) resource allocation state Correct answer is: D. d) resource allocation state 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
For an effective operating system, when to check for deadlock? A. a) every time a resource request is made at fixed time intervals B. b) at fixed time intervals C. c) every time a resource request is made D. d) none of the mentioned Correct answer is: A. a) every time a resource request is made at fixed time intervals 📖 Read Detailed Explanation → Computer Science MCQS Operating System MCQs Leave a Comment | Umar
A. a) every time a resource request is made at fixed time intervals B. b) at fixed time intervals C. c) every time a resource request is made D. d) none of the mentioned