CS609 Midterm Solved MCQs Updated by Junaid

1. Which of the following tasks is not performed by the operating system.

•  Multitasking
•  Memory Management
•  File Management
•  Hardware repairing

2. Windows operating system allows us to run a huge process in a small memory space due to

•  Efficient primary memory management
•  Flexibility naming scheme for resources
•  High processing speed of processor
•  Virtual memory management

3. To provide an interface between the user and computer, a system is required which is called

•  Application software
•  Operating system
•  Customized software
•  Both application and customized software

4. A process-1 in windows operating system can access the momery space of process-2 if

•  Process-1 has no privilege to access memory space of other processes
•  Both processes have same ID
•  Process-1 loaded in the same space as process-2
•  Process-1 has privilege to access memory space of other processes.

5. Windows operating system provides a naming scheme for the resources which allows maximum character only

•  255
•  16
•  55
•  155

6. DOS was a operating system.

•  GUI based
•  Command line
•  Real time
•  Multitasking

7. API stands for

•  Application programming interface
•  Advance programming interface
•  Application programming integrity
•  Application programs interoperability.

8. Which operating system was offered by Microsoft that was used prior to windows

•  LINUX
•  UNIX
•  Solaris
•  Dos

9. Which of the following theme is not consider while introducing the new version of windows.

•  Enhanced API
•  Scalability
•  Performance
•  Increasing cost

10. Which version of windows is used for mobile devices

•  Windows ME
•  Windows CE
•  Windows vista
•  Windows server

Q11. In 2021, which of the following desktop operating systems was widely used in the world market?

•  Windows
•  Fedora
•  Salaris
•  Linux

12. Using commands can be issued to the system through icons, buttons, shortcuts, sound etc

•  Result- driven interface
•  Graphical user interface
•  Menu-driven interface only
•  Command only

13. One of the major causes of windows dominance in PC’s market is its

•  User-friendly GUI
•  Best security features
•  Feature of multitasking
•  Best marketing strategy

14. Which statement is not correct about the windows operating system

•  It can only be used in desktop system
•  It supports both 32&64-bit architecture
•  It supports voice commands
•  It supports diverse hardware platforms

Q15. Which statement is incorrect about open source software?

•  Paid license is required for it use
•  Changes can be made by the general public
•  Source code is freely available
•  It is publicly available

16. Choose the major drawback of a closed source software

•  Not affordable by the user
•  Not customizable
•  Not freely available to download
•  Neither affordable, customizable, nor freely available for download

17. Example of a closed source software is

•  Linux
•  Windows OS
•  Chrome browser
•  Fedora

18. A uniform extension is software components is possible in software.

•  Vender specific
•  Open source
•  Community source
•  Both open and closed

19. A socket on end-point is required only if

•  Processor tries to write on internal hard disk
•  Two processes communication over network
•  A process needs a resource
•  Process needs to access main memory

20. DWORD data type represents

•  32 bit unsigned integer
•  32 bit signed integer
•  16 bit unsigned integer
•  16 bit signed integer

21. A software or application can access any windows object

•  Directly
•  Directly and through API as well
•  Through API only
•  Not directly nor through API

22. Windows datatype LPTSTR

•  Long pointer to TSTR
•  Last pointer to TSTR