Explanation

• WAN stands for Wide Area Network.
• It covers a large geographical area, potentially across countries or the whole globe.

Additional information:

• LAN: Local Area Network covers a small area.
• MAN: Metropolitan Area Network generally covers a city.

Last verified on 03-09-2026

Explanation

• FTP stands for File Transfer Protocol.
• FTP is a communications protocol used to send files from computer to computer
• FTP does not use encryption.
• FTP is built on a client-server model 
• FTP first Introduction: April 16, 1971

Last updated by NA on 06-11-2026

Explanation

• RAM stands for Random Access Memory.
• It is a type of fast, temporary computer memory.
• It is essentially short-term memory.
• It is the hardware in a computing device where the operating system (OS).

Last verified on 26-04-2026

Explanation

•  HDD stands for hard disk drive (HDD)
  • HDD is a data storage device.
  • It stores the operating system, software, and files.
  • It uses magnetic storage technology.

Last updated: 27 OCT 2026 

Explanation

• OCR stands for Optical Character Recognition
• OCR converts text in scanned documents or images into machine-readable text.
• It is used to digitize printed books and documents.

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

• HTML: Hypertext Markup Language.
• Purpose: Creates and structures web pages.
• HTML File Extension: .html or .htm.
• It uses tags to structure content such as headings, paragraphs, images, links, and tables.

Last verified on 11-08-2026

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

• DIV: Division
• Used to represent division in mathematics and in some abbreviations.
• HTML: <div> stands for a division element, used to group webpage content.

Explanation

• DBMS: Database Management System
• Used to create, store, organize, and manage data.
• Examples: MySQL, Oracle, Microsoft Access.