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        Summary 
        
         
          
           | Description | 
           Image showing the internals of a PDP-8/I. Pictured are the CPU (including the major registers and an extended arithmetic unit), memory controller, 4 kilowords magnetic core memory, external bus interface, TTY interface, and paper punched tape interface. All the picture components are manufactured as discrete TTL MSI logic cards and plugged into a common backplane. | 
          
          
           | Date | 
           26 September 2005 | 
          
          
           | Source | 
            http://en.wikipedia.org/wiki/Image:PDP-8i_cpu.jpg | 
          
          
           | Author | 
           Robert Krten | 
          
          
           Permission ( Reusing this file) | 
           
            
             
              | Public domainPublic domainfalsefalse | 
              
             
            
             
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              I, the copyright holder of this work, release this work into the  public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse 
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         Licensing 
        
         
          | Public domainPublic domainfalsefalse | 
         
        
        
         
            | 
          I, the copyright holder of this work, release this work into the  public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse 
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       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):