Your answer is -
B. Folder Is the best place to save it 
        
                    
             
        
        
        
Answer:
on word you can use shortcut "Shift+f3" to change uppercase lowercase and title case if that is what you are asking for 
 
        
             
        
        
        
Answer:A)Smart-card PINs
Explanation: A pin is the defines as the personal identification number that is allotted to the smart card uniquely that is no other smart can have same number.This number is only known by the smart card holder only. 
This number is important because it works for the unlocking of the data that is securely stored and by entering the pin ,it can be decoded.Thus, the other given options are incorrect because they don't use enumeration to hide the data .Thus the correct option is option (A)
 
        
             
        
        
        
Task one; Immersion and Interaction are most important for virtual reality to provide a smooth and enjoyable experience for the user
For task two the multiple choice on slide 5 has the answers to the quiz
        
             
        
        
        
Answer:
b. LinkedHashSet
Explanation:
A LinkedHashSet is an ordered version of HashSet that maintains a doubly-linked List across all elements. When the iteration order is needed to be maintained this class is used. LinkedHashSet maintains a linked list of the entries in the set, in the order in which they were inserted.