Explanation

• The 1973 Constitution of Pakistan contains 280 articles.
• It is the current and permanent constitution of Pakistan.
• It came into effect on 14 August 1973.
• It was approved during the government of Zulfiqar Ali Bhutto.
• It provides the basic legal framework of the state.

Additional information:

• 1956 Constitution: 234 articles, 13 parts, 6 schedules
• 1962 Constitution: 250 articles, 12 parts, 3 schedules

Last verified on 11-06-2026

Explanation

• In MS Excel, every formula and function starts with the equal sign (=).
• The = tells Excel that the cell contains a formula, not plain text.
• Functions such as SUM, AVERAGE, and IF also begin with =.
• Without the =, Excel treats the entry as ordinary text.

Last verified on 10-02-2026

Explanation

1. Sentence Case
2. Lowercase
3. Uppercase
4. Title Case
5. Toggle Case

Last verified on 10-08-2026

Explanation

• Ctrl + Y is used for redoing the last undone action in most applications.

Additional information:

• - Ctrl + Z: Undo
• - Ctrl + X: Cut
• - Ctrl + C: Copy
• - Ctrl + V: Paste

Last verified on 09-08-2026

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

• F5 is used to start a Slide Show from the beginning in Microsoft PowerPoint.
• It displays the presentation in full-screen Slide Show view.

Additional information:

• Shift + F5 starts the slide show from the current slide.
• F4 repeats the last action in many Microsoft Office applications.
• F6 moves between different areas of the PowerPoint window.

Last verified on 09-08-2026

Explanation

• The keyboard shortcut to open an existing file in Microsoft Word is Ctrl+O.
• You can also open a document in Word by double-clicking its icon in Windows. 

Additional information: 

• Ctrl+N: Opens a new or blank document
• Ctrl+S: Saves the document
• Ctrl+W: Closes the document
• Ctrl+A: Selects all contents of the page
• Ctrl+B: Bolds highlighted selection
• Ctrl+C: Copies selected text
• Ctrl+X: Cuts selected text
• Ctrl+P: Opens the print window

Last verified on 02-04-2026

Explanation

• The first nuclear power plant was established in Karachi, 
• With the help of Canada 
• KANUPP is Pakistan's first nuclear power plant,
• Inaugurated on November 28, 1972,
• Total gross capacity of 137 MW.

Additional information

• K2 & K3 with the help of China 
  
• K2  started on 21 May 2021 and has an 1100 MW capacity.
• K3 is expected to start in 2022.

Last updated 18-07-2026 by NA

Explanation

• Name: Cheetah (Acinonyx jubatus)
• Top speed: ~109–120 km/h
• Acceleration: Can go 0 to 100 km/h in just a few seconds
• Habitat: Africa & parts of Iran
• Type: Carnivorous mammal

Additional information:

• The three-toed sloth is widely recognized as the slowest mammal on Earth.

Last verified on 23-06-2026

Explanation

• ARPANET was the first network that initiated the Internet.
• It was launched in 1969 by the U.S. Department of Defense's ARPA.
• ARPANET stands for Advanced Research Projects Agency Network.

Additional information:

• First message sent: 29 October 1969
• TCP/IP adopted: 1 January 1983
• World Wide Web introduced: 1989 (by Tim Berners-Lee)
• Public Internet growth: 1990s

Last verified on 27-07-2026