Operating Systems MCQs Set-1

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  1. 1. What is operating system?
    • collection of programs that manages hardware resources
    • system service provider to the application programs
    • link to interface the hardware and application programs
    • all of the mentioned
  2. 2. To access the services of operating system, the interface is provided by the
    • system calls
    • API
    • library
    • assembly instructions
  3. 3. Which one of the following error will be handle by the operating system?
    • power failure
    • lack of paper in printer
    • connection failure in the network
    • all of the mentioned
  4. 4. The main function of the command interpreter is
    • to get and execute the next user-specified command
    • to provide the interface between the API and application program
    • to handle the files in operating system
    • none of the mentioned
  5. 5. By operating system, the resource management can be done via
    • time division multiplexing
    • space division multiplexing
    • both (a) and (b)
    • none of the mentioned
  6. 6. If a process fails, most operating system write the error information to a
    • log file
    • another running process
    • new file
    • none of the mentioned
  7. 7. The systems which allows only one process execution at a time, are called
    • uniprogramming systems
    • uniprocessing systems
    • unitasking systems
    • none of the mentioned
  8. 8. In operating system, each process has its own
    • address space and global variables
    • open files
    • pending alarms, signals and signal handlers
    • all of the mentioned
  9. 9. A process can be terminated due to
    • normal exit
    • fatal error
    • killed by another process
    • all of the mentioned
  10. 10. What is the ready state of a process?
    • when process is scheduled to run after some execution
    • when process is unable to run until some task has been completed
    • when process is using the CPU
    • none of the mentioned

Practice Now – Operating System Online Tests