Saturday, 4 March 2017

OS MCQ Part 6 | Computer Operating System Objective Questions and Answers | Computer Operating System MCQ

By Dr. IM  |  01:55

OS MCQ and Objective Questions Part 6 | Operating System MCQ | Operating System Objective type Questions 

About Operating System : An operating system i.e. OS is a system software, which is bridge of Device hardware and software. It is also manage device hardware and device applications and provide access to the users. Actually OS is a program which is developed by device (like computer, laptop, mobile etc) manufacturer. It is designed for the specific purpose and for better experience to the users. The main function of OS is to manage user input and output command, mass storage, time sharing, speed,, etc.
               There are many Operating system available in the market like: Microsoft Window, MacOS, Linux, Android, iOS. There are many types of Operating System, which is depended upon user and tasking:
Single tasking and multi tasking: In the single tasking system only one program run at a time but in the multi tasking more than one program run at a time.
Single User and multi user: In the Single user system only one user access at a time but in the multi user system more than one user access system at a time.

126. 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
127. Booting means
A Restarting computer
B Installing program
C Removing errors
D Switch off
ANS


128. Booting means
A Restarting computer
B Installing program
C Removing errors
D Switch off computer
ANS
129. 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

Download Operating System Objective Question and Answer  | Computer OS MCQ

130. 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
131. ....is an intermediate storage for deleted files
A My computer
B My documents
C Recycle bin
D None of above
ANS
132. We can start the application from?
A Log off
B Network place
C Recycle bin
D Run
ANS

133. Which command is used to list out deleted files in DOS?
A list
B Undelete/list
C Recover
D All of the above
ANS
134. Which of the following is not process states?
A New
B Running
C Ready
D Finished
ANS
135. 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
136. What you type at the DOS command prompt to return back to windows?
A Command
B Exit
C Quit
D Return
ANS
137. What do you type at the DOS command prompt to return back to Windows
A Command
B Exit
C Quit
D Return
ANS

Download Operating System Objective Question and Answer  | Computer OS MCQ

138. The question mark (?) indicates in file searching
A A single character
B A group of character
C Questions
D None of above
ANS


139. 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
140. CAD software is most likely to be used by
A Web designer
B Engineers
C Project Manager < br /> D Magazine Editor
ANS
141. 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
ANS
142 print job is completed 142. The problem with ...file is that they slow your computer's operation
A Fragmented
B Formatted
C Program
D All of above
ANS
143. User action such as keystroke or mouse click are referred to as
A Interrupt
B Tasks
C Processes
D Event
ANS
144. Which is not internal command?
A Doskey
B Verify
C Print
D Find
ANS


145. 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

Download Operating System Objective Question and Answer  | Computer OS MCQ

146. 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
147. Operating system is a ....
A System software
B Application software
C Presentation software
D Database software
ANS
148. 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 he object on the screen with your finger
ANS
149. Which of the following separates primary file and extension is
A Dot
B Period
C Point
D All of the above
ANS
150. 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
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Related Links: GK Short Tricks Maths Short Tricks GK Objectives Study Materials; Educational Articles  objective questions MCQ questions  


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Author: Dr. IM

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