Answer:
The correct answer for the given question is option(A) i.e File History.
Explanation:
In computer system file history is an backup application which create backup of your data which are stored in your libraries, desktops, contacts, and favorites to another storage location .It creates back up of your data to another location when your personal files has been changed.
The user can check the file history option in computer system
open control panel >>system and security >> file system
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.
The two major types of DNS request are as follows;
- Recursive Query
- Iterative Query
<h3>What is a domain name system?</h3>
Domain name system is abbreviated as DNS.
A Domain Name System (DNS) converts domain names into IP addresses, which allow browsers to get to websites and other internet resources.
Basically, DNS is a directory of names that match with numbers.
Computer uses IP addresses to communicate, therefore, the DNS convert domain names to IP address for communication.
The two major types of DNS request are as follows;
- Recursive Query - Query that demands a resolution
- Iterative Query - Query that does not demand a resolution.
learn more on DNS here: brainly.com/question/14397200
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