The operating system is what allows the user to interact with the computer's hardware. It has basic services such as accepting commands from the user, managing, loading, and executing programs, and managing hardware resources. Some examples of operating systems are Windows, Linux, Mac OSX, and IOS. 
Application software are pieces of software that perform specific tasks such as word processors.
        
             
        
        
        
The main drawback of multiuser processing of a database is:
<h3>What is  lost-update problem?</h3>
In the area of lost update problem, an update that has been carried on to a data item by a transaction is said to be lost as it is known to be overwritten by the update that has been carried on by another transaction.
Therefore, The main drawback of multiuser processing of a database is:
Learn more about database from
brainly.com/question/26096799
#SPJ12
 
        
             
        
        
        
Answer:
The correct answer to the following question will be "Remove".
Explanation:
A report consists of information taken from tables or queries and information stored in the design of the report such as names, heading, and graphics. Also known as the source of the report are tables or queries that provide the underlying data.
The majority of reporting tools provide only a standard report layout where the report developer may not construct a custom layout with elements positioned in certain areas.
And, If we want to remove any field while working in Design view on a report then we have to click on the remove button for such tasks,
Therefore, the Remove button is the correct answer.
 
        
             
        
        
        
Answer:
CompTIA A+ there ya go!!!