Explanation

• SMS stands for Short Message Service.
• It is a text messaging service used on mobile phones and other communication systems.
• SMS was defined in 1986 as part of the Global System for Mobile Communications (GSM) standards.
• The first SMS message was sent on 3 December 1992.
• The first SMS was sent by Neil Papworth from a computer to a Vodafone mobile phone.
• First SMS Content: “Merry Christmas”.

Last verified on 09-08-2026

Explanation

• GUI stands for Graphical User Interface.
• It is a type of user interface that allows users to interact with electronic devices using icons, windows, menus, and buttons instead of typing commands.
• The first GUI was developed at Xerox PARC in the early 1980s.

Additional information:

• CLI – Command Line Interface
• CUI – Character User Interface
• VUI – Voice User Interface
• NUI – Natural User Interface

Last verified on 03-07-2026

Explanation

• CMS stands for Content Management System.
• It is a software platform used to create, manage, edit, and publish digital content.
• It allows users to manage website content without requiring extensive coding knowledge.
• Common CMS functions include managing web pages, blog posts, images, and other media.
• Examples include WordPress, Joomla, and Drupal.

Last verified on 09-08-2026

Explanation

• ICT stands for Information and Communication Technology.
• It refers to technologies used to collect, process, store, and communicate information.
• ICT includes computers, mobile phones, the internet, networks, and communication systems.
• It is widely used in education, business, healthcare, and government.
• ICT helps people access and share information quickly and efficiently.

Last verified on 08-08-2026

Explanation

• EBCDIC stands for Extended Binary Coded Decimal Interchange Code.
• Developed by IBM.
• Used mainly on IBM mainframe computers.
• It is an 8-bit character encoding system.

Last verified on 08-08-2026

Explanation

• BIOS stands for Basic Input Output System.

Additional information:

• BIOS is a firmware stored on a computer’s motherboard.
• Initializes hardware during booting and provides runtime services.
• Acts as an interface between operating system and hardware.

Last verified on 04-02-2026

Explanation

• VGA stands for Video Graphics Array.
• It is a display standard used to transmit video signals from a computer to a monitor.
• VGA was introduced by IBM in 1987 with the PS/2 computer series.
• The original VGA standard supports a maximum resolution of 640 × 480 pixels at 60 Hz.
• It uses a 15-pin D-sub (DE-15) connector.

Last verified on 06-08-2026

Explanation

• Full Form: Structured Query Language
• SQL is the standard language used to store, retrieve, update, and manage data in relational databases.

Additional information:

• Designed by: Donald D. Chamberlin & Raymond F. Boyce
• First appeared: 1974
• Latest ISO Standard: SQL:2016 (December 2016)
• Main SQL Commands: SELECT, INSERT, UPDATE, DELETE, CREATE

Last verified on 22-07-2026

Explanation

• AI stands for Artificial Intelligence.
• It refers to machines that can think, learn, and make decisions like humans.
• AI is widely used in computers, mobile apps, and robotics.
• It helps in tasks like voice recognition, image detection, and automation.
• This is used in 5th generation computers.

Last verified on 19-04-2026

Explanation

• VPN stands for Virtual Private Network.
• It creates a secure and encrypted connection over the internet to protect user data and privacy.
• A VPN masks the user's IP address and helps hide their browsing activity.
• It is commonly used for secure remote access and online privacy.

Last verified on 08-07-2026