Answer the following questions in one or more paragraphs using proper APA format as required:

1. [2 points] How does clock speed govern the execution of instructions by a computer?
2. [2 points] Define the term green computing, and state its primary goals.
3. [2 points] Identify and briefly discuss the three spheres of influence used to identify the scope of problems and opportunities that software addresses.
4. [2 points] The Mac OS X supports dual booting. What is this, and what benefits does it provide?
5. [2 points] What is open-source software? What are the benefits and drawbacks for a business that uses open-source software?