Explanation:Refresh is the tool available in the operating system for the regaining the page with actual factors . It eliminates the factors that made change before in the computer.
It is also done for the quick updating of the desktop so that the work done in the system in from the initial period and not containing any previous changes.It regains the utility,refreshes the function back to active mode etc.
Mail Merge is a handy feature that incorporates data from both Microsoft Word and Microsoft Excel and allows you to create multiple documents at once, such as letters, saving you the time and effort of retyping the same letter over and over.
The Mail Merge feature makes it easy to send the same letter to a large number of people.
By using Mail Merge, we don't have to type each recipient's name separately in each letter.
We need to proofread only the main document network database systems object- oriented database system Hierarchical database system.
