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The following type of processing needs very limited or no interaction from user……
a) time sharing    
b) real time processing
c) batch processing
d) none of these

c

What type of operating system switches CPU rapidly between the programs to execute all of them simultaneously?
a) time sharing
b) real time processing
c) batch processing             
d) DOS


a

Which of the following are examples of real time sharing systems?
a) industrial systems          
b) traffic control system
c) missile launching systems
d) all of these


d

…….operating systems are found on ROM chips in portable or dedicated devices.
a) stand-alone                     
b) windows
c) server                                
d) embedded


d

Which of the following developed operating system X Server?
a) IBM                                  
b) Apple
c) Macintosh                       
d) none of these


b

Which of the following is used to manage and view files in a computer?
a) file manager  
b) image viewer
c) disk burning     
d) spyware


a