See for yourself.
On windows hit windowskey+r
Type in control and then hit enter
Then search device and printers
The answer is you can add an change settings (dpi, color) of the mouse
        
             
        
        
        
Various number of servers placed in racks are related to Rack servers in data center.
Explanation:
In data center commonly used server is Rack servers.  Servers are being arranged in the mounted racks are generally called as rack servers in the data center. Internal fans are being fitted inside the racks make the servers to make a good airflow and maintain the cooling. There are different types of racks available the user can choose based on their requirement. 
 
        
                    
             
        
        
        
Answer:
There are certainly many hidden costs, and you need to find them out. I am listing some. The GPU can cost a lot if you are using them for complex computing like in the case of Bitcoin. You need to pay heavy electricity bills as well. And if you want to install the webserver then as well, you need to keep your computer open all the time, and pay a good sum as an electricity bill. Many more hidden costs can be found. And one out of above is used in Schools, the webserver. Some more hidden costs can be Network cost, as the school is big, and you need to connect all through LAN, and at times we also need WAN set up. And these are another hidden cost. Various education licenses come for free, and smart classes cost as well. The video conferencing, VOIP, etc costs as well. Smart classes training by various computer training institute for teachers like one from adhesive. 
Explanation:
Please check the answer section. 
 
        
             
        
        
        
Answer:
To change the background color, select the form in Visual Studio and locate the BackColor property in the Properties panel. There are a number of ways to specify a color. Color by name - Simply type in a color name into the BackColor value field (for example Red, Yellow, Cyan etc).
Explanation: