Explanation

• An Operating System (OS) is system software.
• It manages computer hardware and provides a platform for running application software.
• It acts as an interface between the user and computer hardware.

Functions of an Operating System:

• Allocates resources
• Monitors activities
• Manages disks and files

Last verified on 02-07-2026

Explanation

• .pptx → Default PowerPoint Presentation (2007 and later)
• ppt → PowerPoint Presentation (97–2003)

Additional information:

• .ppsx → PowerPoint Show (opens directly as a slideshow)
• .potx → PowerPoint Template
• .pptm → Macro-enabled Presentation

Last verified on 11-07-2026

Explanation

• Save As is used to save a file with a new name, location, or file format.
• It allows the user to specify the file name and storage location.
• The original file generally remains unchanged.
• Save updates the existing file, while Save As creates a new saved version.

Last verified on 24-08-2026

Explanation

• Decrease the font size by 1 point: Ctrl + [

Additional information:

• Increase the font size. Ctrl + Shift + >
• Decrease the font size: Ctrl + Shift + <
• Increase the font size by 1 point: Ctrl + ]
• Ctrl + Shift + F: Change the font
• Open the Font dialog box to change the font: Ctrl + Shift + F

Verified & Updated

Explanation

The first constitution of Pakistan was enforced on March 23, 1956

Additional information

List of the Constitution of Pakistan 1947 to date

First:   1956 Constitution

• Adoption Date: 23rd March 1956

• Prime Minister: Chaudhry Muhammad Ali

• President: Iskander Mirza

Second: 1962 Constitution

• Adoption Date: 8th June 1962

• Prime Minister: Muhammad Ayub Khan (also President at the time)

Third: 1973 Constitution

• Adoption Date: 12th April 1973

• Prime Minister: Zulfikar Ali Bhutto

• President: Fazal Ilahi Chaudhry

  
  

  Last updated by NA on 25-April-2026

Explanation

• Pakistan received only 34 out of 921 industrial units in united India.
• It included cotton textile, cigarettes, sugar, rice husking, cotton ginning, and flour milling industries.
• These industries contributed only 7% of GDP.
• It employed just over 26,000 people.

Last verified on 02-07-2026

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

• Surah Al-Naml has Bismillah twice in the Holy Quran.
• It contains Bismillah at the beginning and again in Verse 30 (message of Prophet Sulaiman AS).
• Surah: 27th
• Verses: 93rd
• Type: Makki Surah
• Name Meaning: “The Ants”

Additional information:

• In contrast, Surah Al-Toba starts without Bismillah.
• Bismillahir Rahmanir Raheem is repeated 114 times in the Quran.

Last verified on 12-06-2026

Explanation

• Iskander Mirza became the first President of Pakistan on 23 March 1956.
• He was the last Governor-General of Pakistan before becoming President.
• He was associated with the Republican Party.
• He abrogated the 1956 Constitution and imposed martial law (1958).
• He also served earlier as Governor of Bengal (India) and Governor-General of Pakistan.
• Born: 13 November 1899, Murshidabad, India
• Died: 13 November 1969, London, UK (buried in Iran)
• He was the great-grandson of Mir Jafar.

Additional information:

• First President of Constituent Assembly of Pakistan: Quaid-e-Azam Muhammad Ali Jinnah
• First elected President of Pakistan: Field Marshal Ayub Khan

Last verified on 01-04-2026

Explanation

• Location of the first wahi: Cave Hira
• In: 610 AD
• At the Age of 40 years 6 months
• Number of verses: 5
• Prescriber of wahi in Makkah: Sharjeel-ibn-Hasana Kandi
• First writer of Wahi in Quraish: Hazrat Zaid bin Sabit (RA)

Last updated by NA on 25-April-2026