5. Comprehensive analysis questions (2 questions in total, 20 points for each question, 40 points in total) (1). In word software, how to replace "Microsoft" in multiple places in a document with "***", and set "X" to red and font size 12 at the same time. Write out the operation steps. (2). What is the Internet of things, and what is the difference and relationship between the Internet of things and the Internet