1. 
   Dual in Line
   Style of IC packaging when the package includes two rows of pin-through pins. Pin spacing in each row is 0.1' (100 THOU). Rows spacing is 0.3' for small devices, 0.6' for large (e.g. 24 pins upwards) but some variants exists
   Found op http://www.vutrax.co.uk/glossary.htm
   
   
2. 
   Dual In-Line
   (hardware) Dual In-Line Package.
   Found op http://foldoc.org/Dual+In-Line
   
   

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