<span>The three yellow slots probably indicate triple channeling, which means the board uses DDR3 DIMMs. To know for sure, remove a DIMM and look for the position of the notch on the DIMM.</span>
        
             
        
        
        
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Answer:
Following is given the solution to each part.
All the comments are given above each step so that they can make the logic clear.
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Explanation: