Explanation

• LAN stands for Local Area Network.
• It is a network that connects devices within a limited geographical area.
• LAN is commonly used in homes, schools, laboratories, university campuses, and office buildings.
• It provides high-speed communication and resource sharing between connected devices.

Additional information:

• MAN: Metropolitan Area Network – Covers a city or metropolitan area
• WAN: Wide Area Network – Covers a large geographical area (countries/continents)

Last verified on 07-07-2026

Explanation

• SIM stands for Subscriber Identity Module.
• A SIM card securely stores the subscriber's identity and enables access to a mobile network.

Additional information:

• First SIM card developed: 1991
• Invented in: Munich, Germany
• Manufacturer: Giesecke+Devrient (G+D)
• PIN: Personal Identification Number
• PUK: Personal Unblocking Key

 Last updated on 12 NOV 2026

Explanation

• Gamma rays have very high penetrating power.
• They can penetrate deeply into the body and damage cells and DNA.
• The actual danger depends on the radiation dose and exposure conditions

 Last updated on 12 NOV 2026

Explanation

• Mars is known as the Red Planet due to its reddish appearance.
• Its surface contains iron oxide (rust) which gives it a red color.
• It is the 4th planet from the Sun in the solar system.
• Mars has two small moons: Phobos and Deimos.
• Mars is often called the “planet of future exploration”.

Last verified on 11-11-2026

Explanation

• Pakistan, officially the Islamic Republic of Pakistan, is a country in South Asia.
• It is the world's fifth-most populous country.
• It is the world's second-largest Muslim population.
• It is the 33rd-largest country by area.
• The capital of Pakistan is Islamabad.
• The Currency of Pakistan is the Pakistani rupee.

Last verified on 02-04-2026

Explanation

• Alexander Graham Bell is credited as the inventor of the telephone.
• He was awarded the first successful patent for it.
• The telephone was invented in 1876.
• Bell made the first-ever telephone call to his assistant Thomas Watson.

Last updated by NA on 06-11-2026

Explanation

• The Sahara Desert is the largest hot desert in the world.
• Location: Africa
• Length: Approximately 4,800 km (3,000 miles)
• Area: About 9.2 million km²

List of top deserts in the world:

Last verified on 10-05-2026

Explanation

• Dr. Shamshad Akhtar was the first female Governor of the State Bank of Pakistan (SBP).
• She served as Governor from 2006 to 2009.

Additional information:

• Founded: 1 July 1948
• Founder: Muhammad Ali Jinnah
• Headquarters: Karachi, Sindh
• First Governor: Zahid Hussain

Last verified on 06-06-2026

Explanation

• The Shah Jahan Mosque is also known as the Jamia Masjid of Thatta.
• It was built by Shah Jahan.
• It's construction started in 1647 and completed in 1659.
• Shah Jahan also constructed the Shalimar Bagh.

Explanation

• The Lahore Resolution was passed on 23 March 1940 at Minto Park, Lahore.
• Presented by A. K. Fazlul Huq
• Prepared text by Muhammad Zafarullah Khan
• It demanded separate states for Muslims of the subcontinent.
• It is also called the Pakistan Resolution.

Additional information:

Key Participants (by region)

1. Punjab → Zafar Ali Khan
2. Sindh → Sir Abdullah Haroon
3. Bengal → A.K. Fazlul Huq
4. KPK → Sardar Aurangzeb Khan
5. United Provinces → Khalid Zaman

Last verified 04-05-2026