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 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

• A single page of a PowerPoint presentation is called a Slide.
• A slide is a single screen/page that contains text, images, charts, videos, or other presentation elements.
• A collection of slides forms a PowerPoint presentation.
• PowerPoint is a presentation software developed by Microsoft.
• Slides can be displayed using Slide Show mode.
• The default PowerPoint file extension is .pptx.

Last verified on 07-08-2026

Explanation

• Full Form: Portable Document Format (PDF)
• Developed by: Adobe Inc.
• Introduced: 1993
• Co-founder associated with Adobe: Charles Geschke
• Purpose: Reliable document sharing and viewing

ان سولات کو ضرور پڑھیں

Click here

Last verified on 01-07-2026

Explanation

• Asia is the largest continent by land area and population.
• It covers about 44.58 million sq km.
• Around 60% of the world’s population lives in Asia.
• It has 40+ countries, including China, India, and Indonesia.
• It makes up about 30% of Earth’s land area.

Additional information:

• Australia is the smallest continent in the world by area.
• Antarctica is the smallest continent in the world by population.

Last verified on 07-02-2026

Explanation

• Africa is known as the "Dark Continent"
• Because much of its land remained unexplored by Europeans for a long time.
• The world's second-largest and second-most populous continent after Asia

Additional information:

• First largest continent by area: Asia,
• Second largest continent by area: Africa,
• Third largest continent by area: North America,
• Fourth largest continent by area: South America,
• Fifth Largest Continent by area: Antarctica,
• Sixth Largest Continent by area: Europe,
• Smallest continent by area: Australia.

Last updated: 20-09-2026 by NA

Explanation

• Switzerland is known as the playground of Europe.
• This nickname highlights its diverse landscapes, from high peaks to pristine lakes

Additional information 

• The capital is Bern.
• The currency is the Swiss Franc.
• official language is German; French; Italian.
• Continent Europe.
• Religion is Christianity.
• Parliament called Bundesversammlung.

Last updated: 20-09-2026 by NA

Explanation

• The shortcut key for Undo (last action reverse) is Ctrl + Z in most computer systems.
• It is used to cancel the last mistake or action.

Additional information:

• Ctrl + P = Print
• Ctrl + Y = Redo
• Ctrl + S = Save
• Ctrl + C = Copy command
• Ctrl + V = Paste
• Ctrl + C = Copy
• Ctrl + X = Cut
• Ctrl + Y = Redo

Last verified on 10-06-2026