Explanation

Antoine Henri Becquerel was an engineer, physicist, Nobel laureate,

First person to discover evidence of radioactivity.

 He belonged to France.

Explanation

• The first census in Pakistan was held in 1951.

Additional information:

Total nationwide censuses in Pakistan: 7

• 1st Census: 1951
• 2nd Census: 1961
• 3rd Census: 1972
• 4th Census: 1981
• 5th Census: 1998
• 6th Census: 2017
• 7th Census: 2023

Frequency: Every 10 years (approx.)

Historical start: 1872 (British rule, first census in the region)

Last verified on 17-01-2026

Explanation

• Ctrl + E is the shortcut used to apply center alignment in MS Word.

Additional information:

• Ctrl + L → Left Alignment
• Ctrl + R → Right Alignment
• Ctrl + J → Justify Alignment

Last verified on 06-03-2026

Explanation

• Name: Karakoram Highway (KKH)
• Other Name: Friendship Highway (China side)
• Route Start: Hassan Abdal (Pakistan)
• Important Pass: Khunjerab Pass (Pakistan–China border)
• Total Length in Pakistan: About 1300 km
• Completion Year: 1979
• Route Type: Part of ancient Silk Route connection

Last verified on 13-05-2026

Explanation

• Pressing the Alt key alone does not edit the contents of a cell.
• The Alt key is mainly used to access the Ribbon shortcuts and menu commands.
• In MS Excel, you can edit a cell by double-clicking the cell, pressing F2, or clicking in the Formula Bar.

Last verified on 21-07-2026

Explanation

• “Call it a day” means to stop working for the rest of the day.
• It is used when someone finishes their work or decides to rest.
• Example: We are tired, let’s call it a day.

Last verified on 14-05-2026

Explanation

• Windows NT is not application software; it is an Operating System.
• It is a proprietary graphical operating system developed by Microsoft.
• The first version of Windows NT was released on 27 July 1993.
• Examples of Application Software: Microsoft Word (WinWord XP), Adobe PageMaker, MS Excel, PowerPoint, Adobe Photoshop

Last verified on 10-07-2026

Explanation

• K-2 (Godwin Austin) has a total height of 8,611 meters (28,251 feet).
• It is the second-highest mountain in the world after Mount Everest.
• K2 is part of the Karakoram Range.
• It is located on the Pakistan–China border in the Gilgit-Baltistan region of Pakistan.
• The letter "K" stands for Karakoram.

Last verified on 12-03-2026

Explanation

• F7 is the shortcut key used to check Spelling and Grammar in Microsoft Word.

Additional information:

Key Function Keys (F1–F12)

1. F1 – Opens Help
2. F2 – Rename selected file/folder (Windows) / Edit active cell (Excel)
3. F3 – Opens Search
4. F4 – Alt + F4 closes the active window
5. F5 – Refreshes browser / Starts Slide Show in PowerPoint
6. F6 – Moves to the next pane in Microsoft Word
7. F7 – Spelling & Grammar Check
8. F8 – Enables Extend Mode in Excel
9. F9 – Updates/Refreshes fields in Microsoft Word
10. F10 – Activates the Menu Bar
11. F11 – Full-screen mode in browsers
12. F12 – Save As in Microsoft Word

Last verified on 09-07-2026

Explanation

• Ctrl + F2 is the shortcut key used for Print Preview in Microsoft Word.
• It allows users to preview a document before printing.
• Print Preview helps check the layout, margins, and page formatting.

Additional information:

• Ctrl + F2 → Print Preview
• Ctrl + D → Open Font dialog box
• Ctrl + F12 → Open a document
• Ctrl + H → Open Replace dialog box
• Ctrl + P → Print the document

Last verified on 06-07-2026