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4. (5 Points) Please define source code, machine code, and compiler. Describe in your own words how the 3 are related to creating programs in C++. 5. (10 Points) How are strings and arrays similar and how do they? Please describe the characteristics of the two data structures. Make sure to use your own words. 6. (10 Points) Describe void and return functions. How are void and return functions similar? How do the different types of functions differ