Explanation

• Location: London, England
• Big Ben is a clock at British parliament building.
• Architect: Augustus Pugin
• Height: 96 m

Last verified on 12-08-2026

Explanation

• The Recycle Bin temporarily stores deleted files and folders in Windows.
• Files in the Recycle Bin can usually be restored to their original location.
• Choosing Empty Recycle Bin permanently removes the stored items.

Last verified on 10-08-2026

Explanation

• Data is permanently stored in the Hard Disk.
• A hard disk is a secondary storage device used to store data for long-term use.
• Data remains stored even when the computer is turned off.

Additional information:

• RAM → Temporary/volatile memory
• Cache → High-speed temporary memory
• Bus → Transfers data, addresses, and control signals

Last verified on 08-08-2026

Explanation

• The output quality of a printer is measured by Dot Per Inch (DPI).
• DPI indicates the number of dots a printer can produce in one inch.
• A higher DPI generally means higher print resolution and sharper output.
• Common printer resolutions include 300 DPI, 600 DPI, and 1200 DPI.

Last verified on 07-08-2026

Explanation

• An Integrated Circuit (IC) chip is primarily made from silicon, a semiconductor material.
• IC chips are used in computers, smartphones, calculators, and other electronic devices.

Additional information:

• Atomic Number of Silicon: 14
• Silicon Group: Group 14 (Carbon Family)
• First Integrated Circuit Invented: 1958
• Inventor: Jack Kilby (Texas Instruments)

Last verified on 06-08-2026

Explanation

• The first census in Pakistan was held in 1951.

Additional information:

Total nationwide censuses in Pakistan: 7

• 1st Census: 1951
• 2nd Census: 1961
• 3rd Census: 1972
• 4th Census: 1981
• 5th Census: 1998
• 6th Census: 2017
• 7th Census: 2023

Frequency: Every 10 years (approx.)

Historical start: 1872 (British rule, first census in the region)

Last verified on 17-01-2026

Explanation

• The third Prime Minister of Pakistan was Mohammad Ali Bogra.
• Term: April 17, 1953 – August 11, 1955.
• Party: Muslim League.
• Predecessor: Khawaja Nazimuddin.
• Successor: Chaudhri Muhammad Ali.

Additional information:

 Term#   Name

1              Liaquat Ali Khan

2              Sir Khawaja Nazimuddin

3              Mohammad Ali Bogra

4              Chaudhry Mohammad Ali

5              Huseyn Shaheed Suhrawardy

6              Ibrahim Ismail Chundrigar

7              Sir Feroze Khan Noon

8              Nurul Amin

9              Zulfikar Ali Bhutto

10           Muhammad Khan Junejo

11           Benazir Bhutto

12           Nawaz Sharif

13           Benazir Bhutto

14           Nawaz Sharif

15           Mir Zafarullah Khan Jamali

16           Chaudhry Shujaat Hussain

17           Shaukat Aziz

18           Yousaf Raza Gillani

19           Raja Pervaiz Ashraf

20           Nawaz Sharif

21           Shahid Khaqan Abbasi

22           Imran Khan

23           Shahbaz Sharif

Last verified on 04-08-2036

Explanation

• Nurul Amin was the first and only Vice President of Pakistan.
• He was serving from 20 December 1971 to 14 August 1973.
• He also served as the 8th Prime Minister of Pakistan, but only for 13 days (7 December 1971 – 20 December 1971).
• The office of Vice President was abolished after the 1973 Constitution came into force on 14 August 1973.
• Nurul Amin was a prominent political leader from East Pakistan (now Bangladesh).

Last verified on 20-07-2026

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

• Largest district of Punjab (area-wise): Bahawalpur
• Area of District: 24,830 km2 (9,590 sq mi)
• Number of Tehsils: 6
• Located in the south of the Punjab
• Bordered by:
• India to its south and southeast,
• Bahawalnagar to its northeast,
• Vehari, Lodhran and Multan to its north,
• Rahimyar Khan to its west,
• Muzaffargarh to its northwest.

Additional information:

• Largest district of Punjab and Pakistan (population-wise): Lahore
• Punjab: 42 Districts, 10 Divisions
• Largest province (population & area-wise): Punjab
• Capital of Punjab: Lahore
• Largest city of Punjab: Lahore

Last verified on 22-07-2026