Operating System Welcome to your Operating System Name 1. What is an operating system? a) interface between the hardware and application programs b) collection of programs that manages hardware resources c) system service provider to the application programs d) all of the mentioned None 2. What is the main function of the command interpreter? a) to provide the interface between the API and application program b) to handle the files in the operating system c) to get and execute the next user-specified command d) none of the mentioned None 3. In Operating Systems, which of the following is/are CPU scheduling algorithms? a) Priority b) Round Robin c) Shortest Job First d) All of the mentioned None 4. To access the services of the operating system, the interface is provided by the ___________ a) Library b) System calls c) Assembly instructions d) API None 5. CPU scheduling is the basis of ___________ a) multiprogramming operating systems b) larger memory sized systems c) multiprocessor systems d) none of the mentioned None 6. Which one of the following is not true? a) kernel remains in the memory during the entire computer session b) kernel is made of various modules which can not be loaded in running operating system c) kernel is the first part of the operating system to load into memory during booting d) kernel is the program that constitutes the central core of the operating system None 7. Which one of the following errors will be handle by the operating system? a) lack of paper in printer b) connection failure in the network c) power failure d) all of the mentioned None 8. Where is the operating system placed in the memory? a) either low or high memory (depending on the location of interrupt vector) b) in the low memory c) in the high memory d) none of the mentioned None 9. If a process fails, most operating system write the error information to a ______ a) new file b) another running process c) log file d) none of the mentioned None 10. Which one of the following is not a real time operating system? a) RTLinux b) Palm OS c) QNX d) VxWorks None 11. What does OS X has? a) monolithic kernel with modules b) microkernel c) monolithic kernel d) hybrid kernel None 12. In operating system, each process has its own __________ a) open files b) pending alarms, signals, and signal handlers c) address space and global variables d) all of the mentioned None 13. In a timeshare operating system, when the time slot assigned to a process is completed, the process switches from the current state to? a) Suspended state b) Terminated state c) Ready state d) Blocked state None 14. Cascading termination refers to the termination of all child processes if the parent process terminates ______ a) Normally or abnormally b) Abnormally c) Normally d) None of the mentioned None 15. When a process is in a “Blocked” state waiting for some I/O service. When the service is completed, it goes to the __________ a) Terminated state b) Suspended state c) Running state d) Ready state None 16. Transient operating system code is a code that ____________ a) stays in the memory always b) never enters the memory space c) comes and goes as needed d) is not easily accessible None 17. The portion of the process scheduler in an operating system that dispatches processes is concerned with ____________ a) assigning ready processes to waiting queue b) assigning running processes to blocked queue c) assigning ready processes to CPU d) all of the mentioned None 18. The FCFS algorithm is particularly troublesome for ____________ a) operating systems b) multiprocessor systems c) time sharing systems d) multiprogramming systems None 19. For an effective operating system, when to check for deadlock? a) every time a resource request is made at fixed time intervals b) at fixed time intervals c) every time a resource request is made d) none of the mentioned None 20. A deadlock avoidance algorithm dynamically examines the __________ to ensure that a circular wait condition can never exist. a) operating system b) resources c) system storage state d) resource allocation state None 1 out of 1 Time's upTime is Up!
