Explanation

• The CPU (Central Processing Unit) is the brain/heart of the computer.
• It performs all calculations, executes instructions, and controls other components.

Additional information:

• First commercial CPU: Intel 4004 (1971)
• Invented by: Italian physicist Federico Faggin
• CPU Examples: Clock speeds – 3.0 GHz, 3.5 GHz, 4.0 GHz, 4.5 GHz, 5.0 GHz

Last verified on 15-02-2026

Explanation

• PowerPoint is used for Create presentations from scratch or a template.
• Add text, images, art, and videos.
• Select a professional design with PowerPoint Designer.

Last verified on 03-04-2026

Explanation

• Page Up: Move the cursor or page up one screen.

Additional information:

• Ctrl + Home: Move to the top of a document.
  
• Ctrl + End: Move to the bottom of a document.
• Page Down: Move the cursor or page down one screen.

Last verified on 09-08-2026

Explanation

• Sugar Mills in 1947: 2
• Current Sugar Mills (Approx.): About 90
• Punjab: About 45 mills
• Sindh: About 45 mills
• Main Raw Material: Sugarcane

Last verified on 26-07-2026

Explanation

• Khewra Salt Mine is located in Khewra near Pind Dadan Khan, Jhelum District, Punjab.
• It is the largest and oldest salt mine in Pakistan.
• It is the second-largest in the world.

Additional information:

• It is also called the Mayo Salt Mine.
• The salt deposits were discovered during the campaign of Alexander the Great in 326 BC.
• The mine was officially opened in 1872 during the British period.

Last verified on 14-03-2026

Explanation

• MS Access is a database designing and management software.
• It is used to create, store, organize, and manage databases.
• MS Access is part of the Microsoft Office (Microsoft 365) suite.
• It allows users to create tables, queries, forms, and reports.
• First Released: 13 November 1992

Last verified on 18-07-2026

Explanation

• Baglihar Dam is a hydroelectric project constructed by India.
• It is built on the Chenab River in Jammu and Kashmir.
• The project was planned in 1992 and approved in 1996.
• Construction began in 1999 and the dam was completed in phases.

Commissioning:

• Stage I: 2008–2009
• Stage II: 2015–2016

Estimated Cost: Around US$1 billion

Last verified on 16-05-2026

Explanation

• Increase the font size. Ctrl + Shift + >

Additional information:

• Decrease the font size: Ctrl + Shift + <
• Increase the font size by 1 point: Ctrl + ]
• Decrease 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

• Location: Lahore, Punjab, Pakistan
• Built: 1642 AD
• Emperor Era: Mughal Empire Shah Jahan
• Commissioned by: Hakim Ilm-ud-din Ansari (Wazir Khan)

Last verified on 23-06-2026

Explanation