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

• In the southern area of Pakistan, there is a mountain range called: Kirther Range
• Kirthar Range, located along the Balochistan and Sindh provincial border.
• Elevation of Kirther mountain 2,260 m (7,410 ft).
• The highest peak of the Kirthar mountains is Zardak Peak at 7,430 ft (2,260 m).

Last verified on 30-03-2026

Explanation

• Pakistan joined the United Nations on September 30, 1947.

Additional information:

• The name was coined by US President Franklin D. Roosevelt.
• Headquarters is located in New York, United States.
• Founded on October 24, 1945.
• It currently has 193 member states and 2 observer states.
• The official languages of the UN are Arabic, Chinese, English, French, Russian, and Spanish.

1. 1952-1953
2. 1968-1969
3. 1976-1977
4. 1983-1984
5. 1993-1994
6. 2003-2004
7. 2012-2013
8. 2025-2026

Last verified on 09-03-2026

Explanation

• Date Signed: 10 January 1966
• Place: Tashkent, Soviet Union (now Uzbekistan)
•  It was a peace treaty between India and Pakistan following the 1965 war

Signatories:

• Ayub Khan – President of Pakistan
• Lal Bahadur Shastri – Prime Minister of India
• Alexei Kosygin – Premier of USSR (mediator)

Last verified on 16-01-2026

Explanation

• Hajj year: 10 A.H
• Gregorian date: March 6, 632 A.D
• Day of sermon: 9th Dhul-Hijjah (Friday)
• Event name: Hajjat-ul-Wida (Farewell Pilgrimage)
• Number of Hajj by Prophet SAW: 1 (only once)

Last verified on 01-04-2026

Explanation

• The Thesaurus tool in MS Word is used to find synonyms and antonyms of words.
• Shortcut Key: Shift + F7
• Location: Review tab → Thesaurus

Last verified on 18-07-2026

Explanation

• Vatican City is the smallest/state country in the world by land area and population.
• It is a city-state surrounded by Rome, Italy.
• It serves as the headquarters of the Roman Catholic Church.
• Total area is about 0.49 sq km.
• It is located in Europe.

Additional information:

• Smallest Muslim country: Brunei
• Smallest republic: Nauru
• Smallest SAARC country: Maldives
• Largest Muslim country (population): Indonesia

Last verified on 10-02-2026

Explanation

Five mosques mentioned in the Holy Qur'an are:

1. Masjid al-Haram (Makkah)
2. Masjid al-Aqsa (Jerusalem)
3. Masjid al-Dirar (Masjid al-Zarrar)
4. Masjid al-Nabawi (Madinah)
5. Masjid Quba (Madinah)

Last verified on 11-07-2026

Explanation

• Umar ibn al-Khattab (RA) established the system of Bait-ul-Mal.
• He appointed Abdullah ibn Masud (RA) as its custodian.
• Bait-ul-Mal means the House of Wealth / Public Treasury.
• It was used to manage Islamic state finances.
• This system ensured fair distribution of resources.

Last verified on 27-04-2026

Explanation

• Smog is a form of air pollution formed by smoke + fog.
• It mainly occurs in big cities due to vehicle and factory emissions.
• It reduces visibility and causes breathing problems.
• Smog is a serious environmental and health hazard.

Last verified on 06-06-2026