Explanation

• F12 → Save As

Additional information:

• Ctrl + S → Save
• Ctrl + O → Open
• Ctrl + P → Print
• Ctrl + N → New Document

Last updated by NA on 05-11-2026

Explanation

• Pakistan's last census, the 7th Population & Housing Census, was indeed held in 2023  
• From March to May 2023
• Recorded Pakistan's population at 241.5 million (approx.)
• Pakistan's Constitution requires a census every 10 years.

There are a total of seven censuses held in Pakistan

1951 (First census)

1961 (Second census)

1972 (Third census)

1981 (Fourth census)

1998 (Fifth census)

2017 (Sixth census)

2023 (Seventh, first digital census) 

Next 2033

 Last updated by NA on 05-11-2026

Explanation

• Sukkur Barrage is the first major barrage built on the Indus River in Pakistan.
• It was commissioned in 1932 during British India to control floods and provide irrigation.
• It is located near Sukkur, Sindh.
• It has 66 gates to control water flow for farming and flood management.

Additional information:

• Kotri Barrage – 1955
• Gudu Barrage – 1968
• Chashma Barrage – 1971

Last updated by NA on 05-11-2026

Explanation

• DOS stands for Disk Operating System.
• It is an early type of computer operating system used to manage files and programs.
• It works through text-based commands (command line).
• A famous example is MS-DOS used in early PCs. 
• Dennis Ritchie is the father of MS-DOS.
• It was developed in 1982.

Last updated by NA on 05-11-2026

Explanation

• Richard M. Nixon writes the book Leaders
• Publication Date: October 25, 1982 
• Length: Around 416 pages.

Additional information:

Richard Milhous Nixon.

• 37th President of the USA: 1969–1974.
• 36th Vice President: 1953–1961.

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Last updated by NA on 05-11-2026

Explanation

• Wilhelm Conrad Rontgen discovered X-rays
• He was discovered on 8 November 1895.
• He got the Nobel Prize in Physics in 1901.

Additional questions

• The penetrating power of X-rays depends on their frequency

Last updated by NA on 05-11-2026

Explanation

• Derived from: computare
• Means: “to calculate”, “to count”, “to sum up” or “to think together”. 

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Last updated by NA on 04-11-2026

Explanation

• The first Constituent Assembly of Pakistan (1947–1954) was tasked with framing the constitution.
• It was dissolved by Governor-General Ghulam Muhammad on 24 October 1954.

Additional information:

• Assembly formed: 10 August 1947
• First Prime Minister: Liaquat Ali Khan
• Constitution eventually passed: 1956

Last updated by NA on 04-11-2026

Explanation

When fasting was made obligatory:

• Timing: Second year of Hijrah (2 AH / 624 CE), in the month of Sha'ban
• First fast: Ramadan 2 AH
• Key verse: Surah Al-Baqarah (183–185)
• Prophet's practice: Fasted Ramadan for 9 years (until 11 AH)
• Before Ramadan: Muslims fasted on Ashura (10th Muharram) and three days each month

Last updated by NA on 04-11-2026

Explanation

• Vitamin C deficiency → Scurvy
• Causes bleeding gums and poor wound healing.
• Vitamin C is important for collagen formation.
• Main sources: Citrus fruits, guava, tomatoes, and vegetables.

Last verified on 02-11-2026