NIMCET 2026 — Computer PYQ

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Question

NIMCET 2026 — Computer PYQ

NIMCET | Computer | 2026

When navigating to a website (Web Browsing), your computer sends a request to a server. If the server's IP address is not known, which system is responsible for "translating" the human-readable URL (e.g., www.google.com) into a machine-readable IP address?

Choose the correct answer:

Explanation

The correct option is 2. DNS (Domain Name System).

Explanation:

To understand how web browsing handles domain names, let's look at the function of each option provided:

DNS (Domain Name System): Computers and networking devices communicate using numerical identifiers called IP addresses (e.g., $172.217.16.142$ ). Since it is difficult for humans to memorize these numbers, we use human-readable names like www.google.com. The DNS acts as the phonebook of the internet, mapping and translating these domain URLs directly into machine-readable IP addresses.
SMTP (Simple Mail Transfer Protocol): This protocol belongs to the application layer and is specifically designed for transmitting and routing emails between mail servers. It does not handle domain name resolution.
HTTP (Hypertext Transfer Protocol): This is the foundation protocol used for data communication on the World Wide Web. It fetches and transfers the actual web pages (HTML documents, images) from the server to your browser after the IP address has already been resolved by DNS.
SSD (Solid State Drive): This is physical hardware rather than a network protocol. It is a modern type of non-volatile mass storage device used inside computers to store data permanently.

Core Mechanism:

$Human-Readable URL ([www.google.com](https://www.google.com)) DNS Resolution Machine-Readable IP Address (e.g., 172.217.16.142)$