Please answer the following short questions: 1. ARM processor works on: A. Laptop B. Phone C. Tablet D. TV 2. Consider the following scenario, if a company used to work in-person due to COVID-19, the company moved to online workspace. Therefore, the company should inform its own employees. This process is called: A. Written Policy. B. Written Procedure. 3. What is the point of using vector in programming language? 4. What are the main OS functions? 5. How can you see the difference between POP3, IMAP, and SMTP? Make a comparison table as simple as you can