I need help please
Just plug the correct words in...

Which type of computing device is best suited to having a digital pen as an input device? a. personal computer b. personal digital assistant c. smart television d. laptop e. mobile phone

Which two editions of windows 7 support 64 bit cpus? choose two out of professional, business, starter, or home premium.

The following function returns a string of length n whose characters are all 'x'. give the order of growth (as a function of n) of the running time. recall that concatenating two strings in java takes time proportional to the sum of their lengths. public static string f(int n) { if (n == 0) return ""; if (n == 1) return "x"; return f(n/2) + f(n - n/2); } options: a) constant b) logarithmic c) linear d) linearithmic e)quadratic f)cubic g) exponential