ELECTRONIC	h   t   t   p   c o l o n   s l a s h   s l a s h   w   w   w dot c o l u m b i a dot e   d   u   s l a s h   c u   s l a s h   c o m p u t i n g h i s t o r y i v a n	h   t   t   p   c o l o n   s l a s h   s l a s h   w   w   w dot c o l u m b i a dot e   d   u   s l a s h   c u   s l a s h   c o m p u t i n g h i s t o r y i v a n	1