Explanation

• The CPU (Central Processing Unit) is the brain/heart of the computer.
• It performs all calculations, executes instructions, and controls other components.

Additional information:

• First commercial CPU: Intel 4004 (1971)
• Invented by: Italian physicist Federico Faggin
• CPU Examples: Clock speeds – 3.0 GHz, 3.5 GHz, 4.0 GHz, 4.5 GHz, 5.0 GHz

Last verified on 15-02-2026

Explanation

• Major Raja Aziz Bhatti was awarded the Nishan-e-Haider for his bravery during the 1965 Indo-Pak War.
• He was martyred on 12 September 1965.
• Battle: Burki sector, Lahore.
• He was the first PMA Long Course officer to receive both the Sword of Honour and Norman Medal.

Additional information:

• The Nishan-e-Haider literally means “Emblem of the Lion.”
• First recipient: Captain Muhammad Sarwar Shaheed — 1948.
• Second: Naik Saif Ali Janjua Shaheed — 1948.
• Third: Major Tufail Muhammad Shaheed — 1958.
• Latest recipient: Havaldar Lalak Jan Shaheed — 1999.

Last verified on 11-08-2026

Explanation

• The Holy Prophet Muhammad (ﷺ) performed only one Hajj in his lifetime.
• He performed this Hajj in 10 A.H. (632 CE).
• It was his first and last Hajj.
• It was known as Hujjat-ul-Wada (The Farewell Pilgrimage).

Additional information:

• The Holy Prophet (ﷺ) performed 4 Umrahs in his lifetime.
• His first Umrah after the Hijrah to Madinah was performed in 7 A.H. (629 CE) (Umrah al-Qada).

Last verified on 23-07-2026

Explanation

• The total number of Surah in the Holy Quran is 114.

Additional information:

• The number of Makki Surah is 86 and Madni is 28.
• The first complete Madani surah of the Quran is Al-Baqarah.
• There are 11 Sajdah are there in Makkah Surah.
• There are only 03 Sajdah are there in Medinan Surah.

Last verified on 01-04-2026

Explanation

• Christopher Columbus was born in Genoa, Italy.
• He accidentally reached the Americas in 1492.
• He was searching for a sea route to Asia.
• First "discovered" the Americas on October 12, 1492
• Completed four Spanish-based voyages across the Atlantic Ocean

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

Explanation

• Neil Armstrong was the first human to set foot on the Moon on July 20, 1969, during NASA's Apollo 11 mission.
• His famous words upon landing were, "That's one small step for man, one giant leap for mankind."

Additional information:

• Neil Alden Armstrong was died on August 25, 2012.
• He was born on August 5, 1930.

Last verified on 01-04-2026

Explanation

• A Barometer is an instrument used to measure air (atmospheric) pressure.
• It helps in weather forecasting by measuring changes in atmospheric pressure.
• The mercury barometer is the oldest type of barometer.
• It was invented by Evangelista Torricelli in 1643.
• Barometers are widely used in meteorology and aviation.

Last verified on 09-07-2026

Explanation

• Al-Baqarah (The Cow or The Heifer) is the second and longest chapter of the Quran.
• It derives its name from the story of the cow (vv. 67-73).
• Verse 282, the longest verse, is known as 'āyatu d-dayn.
• It consists of 25,500 letters.
• It is positioned in Juzʼ 1–3.
• The chapter has 40 Rukus.
• The chapter has 286 Verses.
• It is classified as Medinan.

Additional information:

• Surah Al-Kausar is the shortest surah of Holy Quran.
• Surah Aal-e-Imran is the second longest surah of Holy Quran.

Last verified on 30-03-2026

Explanation

• Mount Everest is the Highest peak in the world.
• It is located in Nepal.
• Height: 8,848.86m (29,032 feet)
• The first time expedition in 1953.
• It was named after George Everest in 1856.
• In the range of mountains: the Himalayas.

Additional information:

• First climbers to reach Mount Everest (1953): Tenzing Norgay and Edmund Hillary.
• First man to climb Mount Everest twice: Nawang Gombu.
• First Pakistani woman to scale Mount Everest: Samina Baig.
• First blind Asian and third person in the world to climb Everest: Zhang Hong.
• Youngest Pakistani to summit Everest: Shehroze Kashif.
• Fastest woman to climb Mount Everest: Tsang Yin-hung.

Last verified on 16-06-2026