Answer:
Suppose you want to access brainly.com. You type that into your favorite browser and hit enter. Your computer does not know how to get to brainly.com. This is the DNS comes in. The DNS looks for brainly.com and maps it to an IP address (eg. 104.17.74.91). Your computer can easily find 104.17.74.91 in order to connect you to questions and answers on a variety of topics.