Answer: Virtual desktop infrastructure
Explanation:
 The virtual desktop infrastructure is the virtualization technology in which the host desktop OS (operating system)  is in the centralized server of the data center. The virtual desktop infrastructure is also known as server based computing as it include the variation in the computing model such as client - server model. 
The example of the virtual desktop infrastructure is wallpapers, toolbars, window and folder is the stored in the server remotely. 
All the other options does not involve with this technology so that is why option (D) is correct. 
 
        
             
        
        
        
Answer:
Without it information flow is impossible
Explanation:
The word 'pivotal' also means crucial or vital, and so we need to consider what an operating system actually does.
Remember, merely having all the hardware of a computer would not allow you to run (install and use) programs. It is by means of an operating system that teaching programs can be installed, and it is also by means of an operating system learning can take place.
For example, a student can decode (learn) instructions/lessons from his teacher via a software program; and the software program needs an operating system to open (run) the program.
 
        
             
        
        
        
Yes. They make a lot of money. So eventually after saving your Money, you will make a least 1 million dollars or more.
        
             
        
        
        
Answer:
Mainframe Computer is capable of doing all the functions which are listed in question.
Explanation:
A mainframe is a very large general-purpose computer (usually costing millions of dollars) that is capable of performing very many simultaneous functions, supporting very many simultaneous users, and storing huge amounts of data. A microcomputer is the type of computer you use.
 
        
             
        
        
        
I usually include my teachers name in the upper right hand corner along with the date my name and the subject.