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OS(Computer Operating Systems) Part 3
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1. What is contained in the page table?
Base address of each frame and corresponding page number
Memory address and corresponding page number
File name and corresponding page number
None of Above
2. Tree structure displays the
File only
Directory only
File and directory name
None of above
3. Windows 2000 server uses the
FAT 16
NTFS
FAT 64
FAT 32
4. Which command will divide the surface of the blank floppy disk into sector and assign a unique address to each one?
Ver
Format
FAT
CHKDSK
5. First-in-First-Out (FIFO) scheduling is
Non Preemptive Scheduling
Preemptive Scheduling
Fair Share Scheduling
Deadline Scheduling
6. Which one of the following key is used to refresh the active window?
F7
F8
F9
F5
7. To display system boot menu which of the following command you must press?
F4
F7
F8
F5
8. Press ____ key while booting to display Advanced Boot Menu
F5
F6
F8
Del
9. Which of the following command is used to move the pointer from one pane to next pane?
F3
F4
F5
F6
10. In a folder which of the following command is used to rename the file or folder
F3
F4
F2
F7
11. A character that represents one or more unknown character is
Wildcard character
All file name
Extensions
None of above
12. Which of the following file format supports in Windows 7?
NTFS
BSD
EXT
All of above
13. Anything you cut or copy on to the clipboard remains there until you
Change it
Clear
Exit windows
All of the above
14. Multiprogramming systems …
Are easier to develop than single programming system
Execute each job faster
Execute more jobs in the same time period
Are used only by large mainframe computer
15. When you press and release the secondary mouse button you are ….
Right clicking
Left clicking
Either a or b
None of above
16. Netscape navigator is a
Browser
Compose
Editor
None of these
17. To print documents from Windows
File >> Print
Drag the document icon over your printers icon
Edit print
Both a and B
18. Which of the following appear in Windows menu bar?
Help
File
Edit
All of above
19. The operating system allows the user to organize the computer’s contents in a hierarchical structure of directories that include all of the following except:
Files
Folders
Drives
System
20. When you quickly press and release the left mouse button twice you are
Primary clicking
Pointing
Double clicking
Secondary clicking
21. Essential files of DOS are
Command.com and IO.Sys
IO.Sys and DOS.Sys
DOS.Sys and Command.com
Autoexec.bat and Config.sys
22. Which operating system does not support long file names?
OS/2
Windows 98
DOS 6.2
Windows NT
23. Which operating system uses short file names?
Windows
Unix
DOS
All of above
24. Pick out odd
Windows
Window
Dos
Linux
25. Bringing a page into memory only when it is needed this mechanism is called
Deadlock
Page Fault
Dormant Paging
Demand Paging
26. It is the default folder for many Windows Applications to save your file
My Document
My Pictures
Documents and Settings
My Computer
27. The component of Widows that lets you to transfer contents from one document to another
Briefcase
Clipboard
Document
Boot
28. What do you mean by Memory Compaction?
Combine multiple equal memory holes into one big hole
Combine multiple small memory holes into one big hole
Divide big memory hole into small holes
Divide memory hole by 2
29. Desktop is a
Provides workspace
Screen saver
Display program
Working with my document
30. The operating system manages
Memory
Processes
Disks and I/O devices
All of above
31. The operating system manages
Memory
Processes
Disks and I/O devices
all of the above
32. You need to duplicate the entire disk which command will you use?
Copy
Move
Diskcopy
All of above
33. Which of the following is not a system tool?
Scandisk
Drive space
Disk defragmenter
Doskey
34. DOS stand for
Dummy operating system
DOS operating system
Dirty operating system
Disk operating system
35. Which of the following statement about directories is false?
Directories can exist inside directories
The root directory is always at the highest level
Directories cannot be renamed
Directories can be deleted
36. Which command allows you to show the contents of disk widely in screen?
Dir/p
Dir/b
Dir/w
Dir/o:w
37. Which command will be used to display only the file name and extensions in wide format?
Dir/b
Dir A:
Dir/s
Dir/w
38. Which command displays only directory?
Dir/aa
Dir/od
Dir/directory
Dir/ad
39. Which command permits to see the directory structure in DOS?
Display structure
Tree
Dir/all
All of above
40. To display hidden files.
Dir/hidden
Attrib/ah
Dir/ah
None of above
41. The command used to display all files (.exe) from the system
Dir *.exe
Dir *.exe/s
Dir *.exe/all
None of above
42. The command refreshes the screen and places the cursor at the top left corner of screen
CLS
Clear
Dir
CHKDSK
43. Which command will you use to display the system date?
Date
Ver
Dir
Format
44. Which command is used to provide access to program located in other directory or disk?
Tree
Path
Dir
CD
45. The ….can be defined as the entire windows display and can be envisioned as the electronic equivalent of your own desk’s surface
Desktop
Windows
Dialog box
None of above
46. In PC from where you will connect internet?
Tools
Network neighborhood
Dial up network
None of the above
47. The program that is responsible for loading the operating system into RAM is called.
BIOS
Bootstrap program
Device driver
Supervisor program
48. Copying a process from memory to disk to allow space for other processes is Called
Swapping
Deadlock
Demand Paging
Page Fault
49. Which of the following command is used to ask you to confirm that you want to delete the directory?
Deltree/f
Erase *.*
Deltree *.*
Del *.*/p
50. Which is an internal command?
Scandisk
XCOPY
Deltree
None of the above
51. Any files deleted in Windows goes into
Trash can
Recycle bin
Deleted Files
None of above
52. Which command used to delete all files from current directory?
Del
Deltree/y *
Del *.*
All of the above
53. Which of the following is a disk compression tool?
Drive space
Scandisk
Defragmenter
None of the above
54. What does Belady’s Anomaly related to?
Page Replacement Algorithm
Memory Management Algorithm
Deadlock Prevention Algorithm
Disk Scheduling Algorithm
55. A ….allows you to write on screen with a digital pen and convert that writing into characters that the PC can process
Monitor RS
Tablet PC
Database manager
Media Center
56. Which is not utility program?
Backup
Scandisk
Data recovery
XCOPY
57. Driver is
Hardware controller
Hardware and gain controller
Data controller
All of above
58. System files allocated at
Boot area
FAT area
Data area
Directory
59. Which command is used to delete all the files from root directory of drive A?
Del a:\
Del *.*
Del A
Erase * 1
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