Answer:
The internet is considered as Wide Area Network (WAN).
 
        
             
        
        
        
Correct Question:
Public class N extends String, Integer { } When you compile, you get the following message: N.java:1: ‘{‘ expected public class N extends String, Integer ^ 1 error Explain what the problem is and how to fix it.
Note the capital letter P
Answer and Explanation:
Problem: This is a syntax error, the key word "public" should begin with a small letter and not capital letter. 
How to fix: Replace the capital letter P by  small letter p and recompile.
 
        
             
        
        
        
Answer:
- RFID tags in shopping mall.
- Browsing the internet.
- Mobile phone calls
Explanation:
Radio frequency identification tag (RFID) in a device that holds personal information of a user electromagnetically. it is used in shopping mall, installed in the shopper's phone or a card, in which all payments are done automatically.
The internet is a global network of devices. With a subscription to a internet service provider, a user can surf the internet at any time of the day.
Mobile phones are portable devices, procured by a user for on-the-go calls. This cell phones have databases with information of cell tower connections, for easy switching for flexible but quality call adaptation.
 
        
             
        
        
        
Answer:
do you still need the answer? or am i to lateeee
Explanation: