Youaregivenabunchofscientificcodethatcontainsloopsoftheform: for (i =0; i a[j][i] += b[j][i]; The matrices a and b are allocated using code such as: a = malloc (n* sizeof(*a)); for (i =0; i< n; i++) a[i]=malloc (n* sizeof(a[i])); While running the program, you notice that the addition loop trashes the TLB much more than it should. Explain why and provide a solution with justification for its efficiency. 2. What operating system challenges do devices like the Nook, Kindle and Ipad introduce? How are these challenges different from the requirements of traditional operating systems (i.e., OS running on traditional computers)?

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Array

The simplest way to start thinking about an array is as a collection, or a set of elements. In programming, these elements may be constants, variables, functions and pointers.