Answer:
Explanation:
A virus can damage programs, delete files and reformat or erase your hard drive, which results in reduced performance or even crashing your system entirely. Hackers can also use viruses to access your personal information to steal or destroy your data.
 
        
             
        
        
        
Answer:
The answer to this question is option "B".
Explanation:
The auto calculate is a part of the excel. It provides the facility to understand things more easily. In the excel we use many functions like insert pie charts, use formulas or add formulas, add column or row, merge column or row, etc. When we calculate the area of any number this process can be done in two way that can be given as:
1) we select all number and go to ribbon in the ribbon there is a formula tab in this we can calculate the area.
2) After selecting all number right-click on the mouse when we click there are many options shown in this option there is the option of calculating the area.  
To calculate the area we must follow these options. So the answer to this question is false. 
 
        
             
        
        
        
A hybrid network is any computer network that uses more than one type of connecting technology or topology. For example, a home network that uses both Wi-Fi and Ethernet cables to connect computers is a hybrid.
        
             
        
        
        
F:\homework\math\<span>fraction_hw.docx</span>
        
             
        
        
        
<span>A wiki is this type of site. The users can, anonymously or with a profile, add to or delete content already posted. This gives the community the ability to add to the overall knowledge base on a specific subject. The site tracks changes through IP addresses to make sure that changes are not done maliciously.</span>