Subject :ICSO     Class : Class 4 
                                                                        Class : Class 5 
                                                                                                    
                                                                                                    There are three type of line printer 
1- Drum Printer
2- Band Printer 
3- Chain Printer
But,Dot matrix printer is a impact printer
                                                                                                
                                                                                                Subject :ICSO     Class : Class 7 
                                                                        Ans 4:
Class : Class 9 
                                                                                                    
                                                                                                    @HHHHHHHHHHHHHHHHHHHHHHHHH@OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO@WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW@!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
                                                                                                
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Subject :ICSO     Class : Class 4 
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Subject :ICSO     Class : Class 4 
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Subject :ICSO     Class : Class 5 
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Subject :ICSO     Class : Class 6 
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Subject :ICSO     Class : Class 6 
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Subject :ICSO     Class : Class 6 
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Subject :ICSO     Class : Class 4 
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Subject :ICSO     Class : Class 6 
                                                                         
             
             
         
                                                                     
 
 (B)
 (B)  (C)
 (C)  (D)
 (D)  
				
	 
  
  
 	