Explanation

Explanation

• The Arab League was established on 22 March 1945 in Cairo, Egypt.
• Headquarters: Cairo, Egypt
• Official Language: Arabic
• Founding Members: 7 (Egypt, Iraq, Transjordan/Jordan, Lebanon, Saudi Arabia, Syria, Yemen)
• Current Members: 22
• Purpose: To promote cooperation and safeguard the interests of Arab countries.

Last verified on 11-07-2026

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

• According to Islamic belief, the first structure of the Kaaba was built by Hazrat Adam (A.S).
• Later, it was rebuilt by Hazrat Ibrahim (A.S) and his son Hazrat Ismail (A.S).
• The Kaaba is located in Makkah.
• It is the holiest site in Islam.
• It is the direction (Qibla) for Muslim prayers.

Last verified on 25-04-2026

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

Explanation

• Independence date: 16 December 1971
• New name: Bangladesh
• Previous name: East Pakistan / East Bengal
• Event: Bangladesh Liberation War (1971)
• Region: South Asia

Last verified on 25-06-2026

Explanation

• The Magna Carta was signed by King John of England on 15 June 1215 AD.
• Official Name: Magna Carta Libertatum ("Great Charter of Liberties").
• It was agreed at Runnymede, near Windsor, England.
• The charter limited the powers of the king and established that everyone, including the monarch, was subject to the law.
• It protected the rights of the Church and the barons against unlawful imprisonment.

Last verified on 07-07-2026

Explanation

• The Mariana Trench is located in the western Pacific Ocean.
• It is the deepest place on Earth.
• Length: About 2,550 km
• Deepest Point: Challenger Deep
• Maximum Depth: About 10,984 m (≈11 km)

Last verified on 06-07-2026

Explanation

• Dr. Abdus Salam won the Nobel Prize in Physics in 1979.
• He received the award for his contribution to the Electroweak Theory, which unified the electromagnetic and weak nuclear forces.

Additional information:

• Born: 29 January 1926, Jhang, Punjab
• Died: 21 November 1996
• Ph.D.: 1952, Theoretical Physics, University of Cambridge
• Achievement: First Pakistani Nobel laureate and second Muslim Nobel laureate

Last verified on 06-07-2026