core 2 is the family name..
Core 2 Solo = 1 executing core in one processor
Core 2 Duo = 2 executing core in one processor
Core 2 Quad =4 executing core in one processor
all the above processor are using Intel Core microarchitecture
You might be surprised to know that Intel is organizing a Live Chat Session regarding Intel® Core™ Processors on Fri, 26th March. A great opportunity to interact with Intel experts and get the best solution to your queries.
Live Chat with experts on Intel® Core™ Processors
Fri, March 26 - 2010
Time: 3:00pm - 5:00pm IST