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Explanation

• The shortcut key to print a document is Ctrl + P.

Additional Information:

• Hyphen (-) is used to select a range for printing a document.
  
• By default, the documents are printed in portrait-oriented mode.
• Ctrl + A = select all
• Ctrl + B = Bold
• Ctrl + I = Italic
• Ctrl + P = Print
  
• Ctrl + Y = Redo
• Ctrl + S = Save

Last verified on 26-05-2026

Explanation

• The capital of Brazil is Brasília.
• Inaugurated: April 21, 1960
• Previous capitals: Rio de Janeiro (1763–1960) and Salvador (earlier colonial period)
• Largest city: São Paulo

Additional information:

• Currency: Brazilian Real (BRL)
• Official Language: Portuguese
• Continent: South America
• Major Religion: Christianity
• National Sport: Football (Soccer)
• Parliament: National Congress
• Independence Day: 7 September
• Independence Year: 1822

Last updated: 27 OCT 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

• Ctrl + C is the shortcut key used to copy selected text or files.

Additional information:

• Ctrl + B → Bold
• Ctrl + A → Select All
• Ctrl + W → Close current tab/window
• Alt + Tab → Switch between apps
• Alt + F4 → Close the active app
• Win + D → Show/Hide Desktop
• Win + ← / → → Snap windows left/right
• Win + Tab → Open Task View

Verified & Updated

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

• The common ostrich (Struthio camelus) is the biggest bird in the world.
• It is weighing up to 344 pounds (157 kilograms) and standing 9 feet tall.
• Female ostriches lay the largest eggs of any living bird.
  

• The world’s fastest bird is the peregrine falcon.
• The white bellbird is the world’s loudest bird.

Last verified on 01-07-2026

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

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