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

• The idiom "The Alpha and Omega" is taken from Christianity and refers to Jesus.
• "Alpha" is the first letter of Greek alphabet.
• "Omega" is the last letter of Greek alphabet.
• Therefore, the meaning of the idiom is 'The beginning and the end'.

Last verified on 08-08-2026

Explanation

• The Indus Waters Treaty was signed on September 19, 1960, in Karachi.
• It was signed between Pakistan (President Ayub Khan) and India (Prime Minister Jawaharlal Nehru).
• It was brokered by the World Bank.

It became effective on April 1, 1960.

• Western Rivers (given to Pakistan): Indus, Jhelum, Chenab
• Eastern Rivers (given to India): Ravi, Beas, Sutlej

Last verified on 30-03-2026

Explanation

• Allama Muhammad Iqbal is known as the Poet of the East (Shair-e-Mashriq).
• He is regarded as the National Poet of Pakistan.

Additional information:

• Born: 9 November 1877, Sialkot
• Father: Sheikh Noor Muhammad
• Mother: Imam Bibi
• PhD: Ludwig Maximilian University, Munich, Germany (1908)
• Died: 21 April 1938
• Burial Place: Badshahi Mosque, Lahore

Last verified on 10-07-2026

Explanation

The first constitution of Pakistan was enforced on March 23, 1956

Additional information

List of the Constitution of Pakistan 1947 to date

First:   1956 Constitution

Explanation

The largest Coal coal-producing country in the World is China

**

China: Remains the dominant global producer, with its output in 2024 being around 4.78 billion tonnes.  

India: Ranks as the second-largest producer, with its output in 2024 around 1.085 billion tonnes.  

Indonesia: Is the third-largest producer, with about 836.1 million tonnes in 2024.  

United States: Ranks fourth, producing 464.6 million tonnes in 2024.  

Russia: Is another major producer, with 508.19 million tonnes in 2025.

Explanation

• A barcode reader, also called a price scanner or point-of-sale (POS) scanner.
• It is a hand-held or stationary input device.
• It used to capture and read information contained in a barcode.

Explanation

علامہ اقبال کی نظم طلوع اسلام جو بانگ درا میں شامل ہے۔

Explanation

• The full form of URL is Uniform Resource Locator.
• It is commonly known as a web address.
•  It tells your web browser how and where to find a specific resource on the internet, like a web page, image, or file

URL has three parts:

• Protocol such as http:// or https://.
•  Domain name such as example.com.
• Path such as /about.html
  

Last updated by NA on 09-09-2026

Explanation

Biology

Life and living organisms, including their structure, function, growth, evolution, and interaction with their environment.

Geology
The Earth, its materials (rocks, minerals), structure, and the processes that shape it (earthquakes, volcanoes, plate tectonics).

Chemistry

Matter, its properties, how it interacts, combines, and changes (chemical reactions, molecular bonds, atomic structure).

Physics:

The fundamental forces and principles of the universe, such as energy, motion, force, and the nature of matter.