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            This is a file from the  Wikimedia Commons. Information from its  description page there is shown below.  Commons is a freely licensed media file repository.  You can help. 
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           | Description | 
           
             English: Details of this photograph include (1) it is the hex dump of the boot sector of a floppy (A:) containing the first ever PC virus, Brain, (2) PC Tools Deluxe 4.22, a file manager and low-level editor, was being used (3) the PC was a 8088 running at 8 MHz and had 640 Kb of RAM (4) the graphics card was a CGA (4 colours at 320x200) 
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           | Date | 
           Around 1989 | 
          
          
           | Source | 
           Transferred from  en.wikipedia | 
          
          
           | Author | 
           Avinash Meetoo - avinash@noulakaz.net -  http://www.noulakaz.net/ -  Avinashm at  en.wikipedia | 
          
          
           Permission ( Reusing this file) | 
           
             CC-BY-2.5 
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          This file is licensed under the  Creative Commons  Attribution 2.5 Generic license. | 
          
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           http://creativecommons.org/licenses/by/2.5 CC-BY-2.5 Creative Commons Attribution 2.5 truetrue 
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       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
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