100 Updated DOS (Disk Operating System) Interview Objective Questions (Part – 2)
Q – 101 Which command is used to delete the directory that is empty?
a. Del *.*
b. RD
c. Erase
d. MD
Ans- b. RD
Q – 102 Which command is used to display all the files having the (.exe) extension but different filename?
a. Dir filename.*
b. Dir filename.ext
c. Dir *.sys
d. Dir *.ext
Ans- d. Dir *.ext
Q – 103 Which command displays comma for thousand separating on file size while listing?
a. Dir/w
b. Dir/s
c. Dir/b
d. Dir/c
Ans- d. Dir/c
Q – 104 Which command displays only file and directory names without size, date and time information?
a. Dir/w
b. Dir a:
c. Dir /b
d. Dir /s
Ans- c. Dir /b
Q – 105 Which command will be used to display a file within the specified directory of pathname?
a. Dir pathname
b. Dir pathnamepathname
c. Dir/ch
d. Dir pathnamefilename
Ans- d. Dir pathnamefilename
Q – 106 Which command should be used to display all files within the specified subordinate directory of the subdirectory?
a. Dir pathname
b. Dir pathnamepathname
c. Dir / ch
d. Dir pathnamefilename
Ans- b. Dir pathnamepathname
Q – 107 Which command displays all the files having the same name but different extensions?
a. Dir filename.*
b. Dir filename.ext
c. Dir *.sys
d. Dir *.ext
Ans- a. Dir filename.*
Q – 108 Only filenames and extensions are to be displayed in wide format, which command you’ll use?
a. Dir/w
b. Dir a:
c. Dir/s
d. Dir/b
Ans- a. Dir/w
Q – 109 If you don’t know the current time, which command will you use to display.
a. Copy
b. Ver
c. Time
d. Format
Ans- c. Time
a. Copy
b. Tree
c. Cd
d. Dir
Ans- d. Dir
Q – 111 In Ms-Dos what command you will use to display system date?
a. Date command
b. Ver command
c. Disk command
d. Format command
Ans- a. Date command
Q – 112 In MS-Dos 6.22, which part identifies the product uniquely.
a. MS
b. DOS
c. Ms-DOS
d. 6.22
Ans- d. 6.22
Q – 113 Which of the following extensions suggest that the file is a backup copy?
a. Bak
b. Bas
c. Com
d. Txt
Ans- a. Bak
Q – 114 Each time you turn on your computer, it will check on the control file:
a. Command.com, io.sys
b. Command.com, date.com, dir.com
c. Command.com, io.sys, msdos.sys
d. Chkdsk.exe
Ans- c. command.com, io.sys, msdos.sys
Q – 115 If you need to duplicate the entire disk, which command will you use?
a. Copy
b. Diskcopy
c. Chkdsk
d. Format
Ans- b. Diskcopy
Q – 116 To make file in MS Dos we need command:
a. Copy
b. Copy con
c. MD
d. Make File
Ans- b. Copy con
Q – 117 Which command divides the surface of the blank disk into sectors and assign a unique address to each one.
a. Ver
b. Format
c. Fat
d. Chkdsk
Ans- b. Format
Q – 118 …. are list of commands that appear on the screen.
a. GUIS
b. Icons
c. Menus
d. Windows
Ans- c. Menus
Q – 119 While working with Ms-Dos which command transfers a specific file from one disk to another?
a. Copy
b. Diskcopy
c. Time
d. Rename
Ans- a. Copy
Q – 120 Which windows features can be accessed from the start menu?
a. Help
b. Windows Explorer
c. Microsoft Network
d. All of above
Ans- d. All of above
Q – 121 Press the …. button to have the window fill the entire screen.
a. Close
b. Maximize
c. Minimize
d. none of the above
Ans- c. Minimize
Q – 122 Which command is used to copy system files?
a. Sys
b. Command
c. MD
d. Move
Ans- a. Sys
Q – 123 The box on ….. that allows you to choose where to go and is located below the standard toolbar.
a. System menu
b. Address bar
c. Menu bar
d. None of these
Ans- b. Address bar
Q – 124 A …. is a set of computer instructions that carry out a task on the computer.
a. Program
b. Database
c. Memory files
d. None of the above
Ans- a. Program
Q – 125 Which button might you find in a windows title bar?
a. Close button
b. Maximize button
c. Minimize button
d. All of the above
Ans- d. All of the above
Q – 126 We need system files to run:
a. MS Word
b. MS Excel
c. MS Dos
d. MS Access
Ans- c. MS Dos
Q – 127 Which Operating System doesn’t support long file names?
a. OS/2
b. Windows 95
c. MS-DOS
d. Windows NT
Ans- c. MS-DOS
Q – 128 The ability of an operating system to control the activities of multiple program at the same time is called:
a. Multitasking
b. Multiprocessing
c. Multioperating
d. Multipaging
Ans- a. Multitasking
Q – 129 What is the function of folder?
a. Save files
b. Delete files
c. Move files
d. All of the above
Ans- d. All of the above
Q – 130 Which command is used to open the directory?
a. Open
b. Chdir
c. Move
d. All of above
Ans- b. Chdir
Q – 131 Essential files of MS DOS are:
a. Command.com
b. Io.sys
c. Msdos.sys
d. All of above
Ans- d. All of above
Q – 132 Unix Operating System is an:
a. Multi User Operating System
b. Time Sharing Operating System
c. Multi Tasking Operating System
d. All the Above
Ans- d. All the Above
Q – 133 ______ is used in operating system to separate mechanism from policy.
a. Single level implementation
b. Two level implementation
c. Multi level implementation
d. None
Ans- b. Two level implementation
Q – 134 …. is used in operating system to separate mechanism from policy.
a. Single level implementation
b. Two level implementation
c. Multi level implementation
d. None
Ans- b. Two level implementation
Q – 135 The OS used to operate the mobile phone is a:
a. Smart card OS
b. Embedded OS
c. Multi user OS
d. None of above
Ans- b. Embedded OS
Q – 136 UNIX operating system is a(n):
a. Time sharing operating system
b. Multi-user operating system
c. Multi-tasking operating system
d. All of the above
Ans- d. All of the above
Q – 137 What is the full form of NTFS:
a. New Technology File System
b. New Technical File System
c. New Technician File System
d. None of the above
Ans- a. New Technology File System
Q – 138 The file system “NTFS” stands for:
a. New Type File System
b. Never Terminated File System
c. New Technology File System
d. Non Terminated File System
Ans- c. New Technology File System
Q – 139 Which of the following is default mode for Windows to start?
a. Command Prompt
b. Safe Mode
c. Normal Mode
d. None of above
Ans- c. Normal Mode
Q – 140 The necessary conditions needed before deadlock can occur?
a. No Mutual Exclusion, Hold and wait, Preemption, Circular Wait
b. Mutual Exclusion, No Hold and wait, Preemption, Circular Wait
c. Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
d. Mutual Exclusion, Hold and wait, Preemption, No Circular Wait
Ans- c. Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
Q – 141 The OS used to operate the mobile phone is a:
a. Smart card OS
b. Embedded OS
c. Multiuser OS
d. None of above
Ans- b. Embedded OS
Q – 142 It is used to explorer the contents of computer, drives as well as manage files:
a. ( Space)
b. My Document
c. My Computer
d. My Network Place
Ans- b. My Document
Q – 143 ____ is the operating systems File and folder Manager.
a. Windows Explorer
b. Windows Control Panel
c. My Computer
d. My Documents
Ans- a. Windows Explorer
Q – 144 By default we can save the file in:
a. Desktop
b. Recycle bin
c. My document
d. My computer
Ans- c. My document
Q – 145 Which of the following is default location of saving and opening file?
a. Desktop
b. My computer
c. My documents
d. All of above
Ans- c. My documents
Q – 146 The following applications may appear on system tray except:
a. System Clock
b. Volume Control
c. Network Connection
d. MS Office Suite
Ans- d. MS Office Suite
Q – 147 Which of the following is text browser?
a. Lynx
b. Hot Java
c. Netscape
d. Internet Explorer
Ans- a. Lynx
Q – 148 Which one of the following is not the function of Operating System?
a. Resource Management
b. File Management
c. Networking
d. Processor Management
Ans- c. Networking
Q – 149 How do you connect internet in your system?
a. My computer >> dialup networking
b. Control panel >> modem
c. Network neighborhood
d. None of above
Ans- a. My computer >> dialup networking
Q – 150 Which of the following is not a mode in starting Windows?
a. Command Prompt
b. Safe Mode
c. Normal Mode
d. Turbo Mode
Ans- d. Turbo Mode
Q – 151 In Microsoft windows, the graphical pattern on the desktop used as background for windows is:
a. Icons
b. Wall paper
c. Picture
d. Background
Ans- b. Wall paper
Q – 152 To delete a file without allowing it to store in recycle bin:
a. Press Delete key
b. Press Shift + Delete key
c. Press Ctrl + Delete key
d. Press Alt + Delete key
Ans- b. Press Shift + Delete key
Q – 153 What is the method of handling deadlocks?
a. Use a protocol to ensure that the system will never enter a deadlock state.
b. Allow the system to enter the deadlock state and then recover.
c. Pretend that deadlocks never occur in the system.
d. All of the Above
Ans- d. All of the Above
Q – 154 Which file system Windows 95 typically use?
a. FAT 16
b. FAT 32
c. NTFS
d. LMFS
Ans- b. FAT 32
Q – 155 Which file system DOS typically use?
a. FAT 16
b. FAT 32
c. NTFS
d. LMFS
Ans- a. FAT 16
Q – 156 Which is not a valid file system?
a. FAT 16
b. FAT 32
c. NTFS
d. FXZ
Ans- d. FXZ
Q – 157 Generally quick launch toolbar is displayed on:
a. the left side of taskbar
b. the right side of taskbar
c. on the middle of taskbar
d. a bar out of taskbar
Ans- a. the left side of taskbar
Q – 158 You can select My Computer icon and press Alt + Enter to:
a. Delete it from desktop permanently
b. Open it in Explorer mode
c. Open System Properties dialog box
d. Pin it on Start menu
Ans- c. Open System Properties dialog box
Q – 159 The purpose of run command in start menu is to:
a. Launch internet browser
b. Open internet explorer
c. Open windows explorer
d. Start programs
Ans- d. Start programs
Q – 160 Which is built directly on the hardware?
a. Computer Environment
b. Application Software
c. Operating System
d. Database System
Ans- c. Operating System
Q – 161 …. system is built directly on the hardware.
a. Environment
b. System
c. Operating
d. None
Ans- c. Operating
Q – 162 Which of the following is an example of utility?
a. Antivirus
b. Word
c. Operating system
d. Data recovery
Ans- a. Antivirus
Q – 163 Which file is transferred when computer is start up?
a. Document
b. Program files
c. Operating system
d. System files
Ans- d. System files
Q – 164 Start/restart the computer is called:
a. Exit
b. Run
c. Option
d. Boot
Ans- d. Boot
Q – 165 The chunks of a memory are known as:
a. Sector
b. Offset
c. Page
d. Frame
Ans- d. Frame
Q – 166 Which key deletes text before, or to the left, of the insertion point?
a. PageUp
b. Delete
c. PageDown
d. BackSpace
Ans- d. BackSpace
Q – 167 Operating system is like a:
a. Government
b. Police
c. Parliament
d. All of above
Ans- a. Government
Q – 168 Underlined character on the menu or dialog box known as:
a. Hot spot
b. Hot key
c. Pane
d. Underline word
Ans- b. Hot key
Q – 169 Which of the following is not an operating system?
a. CP/M
b. Unix
c. Pascal
d. MS DOS
Ans- c. Pascal
Q – 170 All of the following are task performed by the operating system except:
a. Managing hardware on the computer
b. Controlling the access that application program has to the CPU
c. Performing housekeeping task like file compression and disk defragmentation
d. Provides an interface for user to interact with computer
Ans- c. Performing housekeeping task like file compression and disk defragmentation
Q – 171 Operating system is a
a. System software
b. Application software
c. Presentation software
d. Database software
Ans- a. System software
Q – 172 To display a shortcut menu for an object you use:
a. Click the object
b. Right click the object
c. Point the object and press Ctrl+P
d. Touch the object on the screen with your finger
Ans- b. Right click the object
Q – 173 Which of the following separates primary file and extension is:
a. Dot
b. Period
c. Point
d. All of the above
Ans- d. All of the above
Q – 174 Which is not external command?
a. Doskey
b. Verify
c. Print
d. Find
Ans- b. Verify
Q – 175 What you type at the DOS command prompt to return back to windows?
a. Command
b. Exit
c. Quit
d. Return
Ans- b. Exit
Q – 176 Which command is used to delete the directory and all of its contents in one step?
a. Deltree
b. CD
c. Rd
d. Dir *.*
Ans- a. Deltree
Q – 177 Which of the following is not process states?
a. New
b. Running
c. Ready
d. Finished
Ans- d. Finished
Q – 178 User action such as keystroke or mouse click are referred to as:
a. Interrupt
b. Tasks
c. Processes
d. Event
Ans- d. Event
Q – 179 The problem with ….. file is that they slow your computer’s operation.
a. Fragmented
b. Formatted
c. Program
d. All of above
Ans- a. Fragmented
Q – 180 A spooler is a:
a. Location in memory that maintains the contents of documents until it prints out
b. Queue of print job that are waiting to print
c. Program that coordinates the print job that are waiting to process
d. Message sent from the printer to the operating system when a print job is completed
Ans- c. Program that coordinates the print job that are waiting to process
Q – 181 CAD software is most likely to be used by:
a. Web designer
b. Engineers
c. Project Manager
d. Magazine Editor
Ans- b. Engineers
Q – 182 Save operation means:
a. Put data into processor
b. Put data into internal memory
c. Put data into secondary storage
d. Put data into monitor
Ans- c. Put data into secondary storage
Q – 183 What do you type at the DOS command prompt to return back to Windows?
a. Command
b. Exit
c. Quit
d. Return
Ans- b. Exit
Q – 184 The question mark (?) indicates in file searching:
a. A single character
b. A group of character
c. Questions
d. None of above
Ans- a. A single character
Q – 185 Which command is used to list out deleted files in DOS?
a. list
b. Undelete/list
c. Recover
d. All of the above
Ans- b. Undelete/list
Q – 186 We can start the application from?
a. Log off
b. Network place
c. Recycle bin
d. Run
Ans- d. Run
Q – 187 When you open my computer on desktop you see the information of:
a. Hard disk
b. CD
c. Removable disk
d. All of the above
Ans- d. All of the above
Q – 188 RD command are used to:
a. Remove an empty directory
b. Remove non empty directory
c. Remove directory including files
d. None of the above
Ans- a. Remove an empty directory
Q – 189 Which of the following is used to display the content of a certain drive or folder?
a. Click the drive or folder while holding down the Alt key
b. Triple click the drive or folder
c. Right click the drive or folder
d. Double click the drive or folder
Ans- d. Double click the drive or folder
Q – 190 Recently used application file list appears in the Windows operating system.
a. Setting menu
b. Documents menu
c. Run dialog box
d. Programs menu
Ans- b. Documents menu
Q – 191 ……is an intermediate storage for deleted files.
a. My computer
b. My documents
c. Recycle bin
d. None of above
Ans- c. Recycle bin
Q – 192 Booting means:
a. Restarting computer
b. Installing program
c. Removing errors
d. Switch off
Ans- a. Restarting computer
Q – 193 While working with MS DOS which command is used to change the extension of all file names ending with .txt to doc?
a. Ren *.doc *.txt
b. Ren .txt .doc
c. Ren file.doc file.text
d. Ren a:*.doc *.doc
Ans- a. Ren *.doc *.txt
Q – 194 Which of the following file menu option saves document to disk?
a. Save
b. Create
c. Rename
d. All of above
Ans- a. Save
Q – 195 The title bar always displays on:
a. Top of the open windows
b. Left side of the open window
c. Right side of the open window
d. All of above
Ans- a. Top of the open windows
Q – 196 …… are specially designed computer chips that reside inside other devices, such as your car or electric thermostat.
a. Server
b. Embedded computer
c. Robotic computer
d. Mainframes
Ans- b. Embedded computer
Q – 197 Which of the following is a disk compression tools?
a. Drive space
b. Defragmenter
c. Scandisk
d. None of the above
Ans- a. Drive space
Q – 198 Batch file is used to:
a. Run program
b. Show the contents
c. run commands automatically
d. All of above
Ans- c. run commands automatically
Q – 199 Scandisk
a. Checks the disk
b. Give information about disk
c. Run from DOS mode
d. All of the above
Ans- d. All of the above
Q – 200 How can you optimize performance of your computer?
a. Delete unused files
b. Defrag disk
c. Scan for virus
d. All of above
Ans- d. All of above
Q – 201 To save your computer from viruses you will do:
a. Install antivirus software and run it
b. Make physical safe for the removal disk
c. Scan the removable disk before using it
d. All of the above
Ans- a. Install antivirus software and run it
Q – 202 To change the volume label:
a. Vol
b. Label
c. Scandisk
d. None
Ans- b. Label
Q – 203 A utility that can be used to minimize the number of fragmented files and enhance the speed:
a. Disk space
b. Defrag
c. Scandisk
d. Double space
Ans- b. Defrag
Q – 204 Which is not a system tool?
a. Folder
b. Backup
c. Scandisk
d. Format
Ans- a. Folder
Q – 205 To properly exit Windows:
a. Click the stop button on the desktop
b. Click the exit button on the desktop
c. Select shut down from Start menu
d. None of above
Ans- c. Select shut down from Start menu
Q – 206 Dial up connection allows you to:
a. Connect ISP
b. Internet
c. Server
d. All of above
Ans- a. Connect ISP
Q – 207 What do you mean by dialog box?
a. Interactive message box
b. Group of options
c. Set of controls
d. All of the above
Ans- d. All of the above
Q – 208 Page stealing:
a. Is a sign of an efficient system
b. Is taking page frame from other working sets
c. Should be the turning goal
d. Is taking layer disk space for page in page out
Ans- b. Is taking page frame from other working sets
Q – 209 The function of Dir/W is:
a. Show all details of file
b. Show only file name and directory name
c. Shows only directory
d. All of the above
Ans- b. Show only file name and directory name
Q – 210 What is the meaning of “Hibernate” in Windows XP/Windows 7?
a. Restart the Computer in safe mode
b. Restart the Computer in hibernate mode
c. Shutdown the Computer terminating all the running applications
d. Shutdown the Computer without closing the running applications
Ans- d. Shutdown the Computer without closing the running applications
Q – 211 Running multiple programs at the same time is called:
a. Multitasking
b. Foreground tasking
c. Single tasking
d. Symmetric
Ans- a. Multitasking
Q – 212 The category of operating system that you most likely have running on your PDA computer is a …. Operating system.
a. Real time
b. Single user, single task
c. Single user, multitask
d. Multiuser, multitask
Ans- b. Single user, single task
Q – 213 You should choose this mode if you don’t know how long you won’t use your computer but want to have the same desktop state when you resume.
a. Shut Down
b. Restart
c. Sleep
d. Hibernate
Ans- d. Hibernate
Q – 214 ___ is a compromise mode between Shut Down and Sleep mode because it does not consume power and remembers the current state of your desktop.
a. Shut Down
b. Restart
c. Sleep
d. Hibernate
Ans- d. Hibernate
Q – 215 ______ is most often done after fixing a problem, adding a new program or making configuration change.
a. Shut Down
b. Restart
c. Sleep
d. Hibernate
Ans- b. Restart
Q – 216 Which of the following shutdown method is often called Warm Boot?
a. Shut Down
b. Restart
c. Sleep
d. Hibernate
Ans- b. Restart