Subject :ICSO     Class : Class 4 
                                                                        Subject :ICSO     Class : Class 4 
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Subject :ICSO     Class : Class 4 
                                                                        Ans 1: (Master Answer)
Class : Class 1 
                                                                                                    Answer:D
First generation computers used punched cards for data input, output, and storage. Printers, disk storage, etc. was not available then.
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Subject :ICSO     Class : Class 4 
                                                                        Post Your Answer
Subject :ICSO     Class : Class 4 
                                                                        Ans 1: (Master Answer)
Class : Class 1 
                                                                                                    Answer:B
The given image is of vacuum tube which was used in first generation of computers.
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Subject :ICSO     Class : Class 4 
                                                                        Post Your Answer
Subject :ICSO     Class : Class 4 
                                                                        Post Your Answer
Subject :ICSO     Class : Class 4 
                                                                        Post Your Answer
Subject :ICSO     Class : Class 4 
                                                                        Post Your Answer
Subject :ICSO     Class : Class 4 
                                                                         
             
             
         
                                                                     
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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