Parts of a computer

Order Description 1. You have decided to buy parts and build your own personal computer. At the minimum, what are the components that you would need for this device to be considered a computer? 2. What are the most important features to consider before purchasing a PC? 3. Explain the notions of WAN, LAN, MAN and PAN. 4. What are the technical advantages of optical fibres over other communications media? 5. Wi-Fi is all around us. Is there any downside to its pervasiveness?