Explanation

• CPU stands for Central Processing Unit.
• It is the main part of a computer that processes all instructions.
• It is considered the brain of the computer system.
• It performs all calculations and decision-making tasks.
• It controls the operations of all hardware and software.
• It is located on the motherboard.

Last verified on 10-06-2026

Explanation

• URL stands for Uniform Resource Locator.
• It is a specific type of Uniform Resource Identifier (URI).
• Domain: World Wide Web
• First published: 1994
• Latest version: Living Standard, 2023

Used:

• Web page (HTTP/HTTPS)
• File transfer (FTP)
• Email (mailto)
• Database access (JDBC)

Last verified on 08-06-2026

Explanation

• HTTP stands for Hypertext Transfer Protocol.
• It is a protocol for fetching resources such as HTML documents.
• It provides secure communication over a computer network.
•  It can also be used to fetch parts of documents to update Web pages on demand.
• https://www.google.com is called the URL.

Last verified on 04-06-2026

Explanation

• SDS stands for Software Defined Storage in computer systems.
• It is a storage architecture managed by software instead of hardware.
• It improves flexibility, scalability, and efficiency of data storage.

Last verified on 04-06-2026

Explanation

• DNS stands for Domain Name System.
• It translates website names (like google.com) into IP addresses.
• It works like the “phone book of the internet.”
• Without DNS, users would need to remember numeric IP addresses.
• DNS was introduced in 1983.

Last verified on 26-05-2026