Operating System exam questions

1.    What is operating system?

a.    a program that use of a software and the computer.

b.    a program that manages the computer hardware and software

c.    a program that control the execution of application programs and act as medium between the user of a computer and the computer hardware

d.    an execution of program to solve use problems

2.    Which of the following is the common API?

a.    WIN32 API for Linux

b.    POSIX API for POSIX

c.    JAVA API for physical machine

d.    None of the above

3.    What is SYSGEN?

a.    Loader of the kernel

b.    Code stored in rom

c.    System design to run of any class of machines

d.    Program obtains information concerning the specification configuration of the hardware system

4.    Which of the following is related to the process creation?

a.    Process entity (PED) to identify specific process

b.    Fork system call creates old process

c.    Parent process creates child process

d.    None of the above

5.    Which of the following is delete command in Linux?

a.    Rmv < file-name>

b.    Remove <file-name>

c.    Rm < file-name >

d.    Rv < file-name >

6.    Which of the following is not true about process?

a.    Process is active entity

b.    Process termination require reclaim of one reusable resources

c.    Process need resources to accomplish its task

d.    Process is defined as program in execution

7.    Which of the following user interface uses a script file for execution?

a.    CLI

b.    GUI

c.    Batch

d.    API

8.    The core of an OS is known as?

a.    System call

b.    Fork

c.    Kernel

d.    Shell

9.    Which of the following is not a shell command interpreter?

a.    Bourne shell

b.    Bourne – again shell

c.    Korn shell

d.    Korn – again shell

10. Which of the part is not part of BSD Unix?

a.    DragonflyBSD

b.    OpenBSD

c.    NetBSD

d.    SysBSD

11. Debugging is finding and fixing error          : True

12. Booting start a computer by loading the kernel                 : True

13. Application failure generates crash dump file computing memory process      : False

14. RAM is also known as firmware                  : False

15. A trap is a software generates interrupt caused by an error        : True

16. Cache is faster than register                       : False

17. Virtual memory and physical memory is real time             : False

18. A socket is an end point communication which concatenates a combination of IP address and port number               : True

19. A fork() system call process us executed after one exec() system call program is loaded                                          : False ( before not after )

20. In a virtual machine workstation such as VMware, CPU, memory, disk drive, network interface and device allocation are all virtual : True