Operating Systems MCQs Set-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
. To access the services of operating system, the interface is provided by the
  • system calls
  • API
  • library
  • assembly instructions
. 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
. 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
. By operating system, the resource management can be done via
  • time division multiplexing
  • space division multiplexing
  • both (a) and (b)
  • none of the mentioned
. If a process fails, most operating system write the error information to a
  • log file
  • another running process
  • new file
  • none of the mentioned
. The systems which allows only one process execution at a time, are called
  • uniprogramming systems
  • uniprocessing systems
  • unitasking systems
  • none of the mentioned
. 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
. A process can be terminated due to
  • normal exit
  • fatal error
  • killed by another process
  • all of the mentioned
. 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

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