Explanation

• Ctrl + O → Open Document

Additional information:

• Ctrl + S → Save Document
• Ctrl + P → Print Document
• Ctrl + W → Close Current Document
• Ctrl + N → New Document

Last verified on 16-07-2026

Explanation

• Yawm-e-Tarwiyah is the 8th of Dhul Hijjah. 
• It is the first day of Hajj.

Additional information:

• 9th Dhul Hijjah: Day of Arafat (Wuquf-e-Arafat)
• 10th Dhul Hijjah: Eid-ul-Adha (Yawm-un-Nahr)
• 11th Dhul Hijjah: First day of Ayyam al-Tashreeq
• 12th–13th Dhul Hijjah: Remaining days of Ayyam al-Tashreeq

Verified & Updated

Explanation

• To edit or rename a file or folder, simply hit F2 when your file is selected.

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

• 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

• Type: Operating System (Unix-like)
• Kernel Released: 17 September 1991
• Developer: Linus Torvalds
• License: Open-source (GNU General Public License)
• Common Distributions: Ubuntu, Debian, Fedora, Red Hat, Linux Mint

Last verified on 10-07-2026

Explanation

• The Khutba of Hajj is delivered at Masjid an-Namirah (Masjid-e-Nimra) on the Day of Arafah.
• It is delivered on 9th Dhul-Hijjah before the Dhuhr and Asr prayers.
• Masjid an-Namirah is located on the Plain of Arafat near Mount Arafat.

Last verified on 09-07-2026

Explanation

• The Day of Arafah falls on the 9th day of Dhul Hijjah.
• It is the second day of the Hajj pilgrimage.
• The following day marks the start of Eid al-Adha.

Additional information:

• Hajj was made compulsory in 9 A.H.
• The first Hajj was performed in the same year.
• Hajj is ordained in Surah Al-Baqarah.
• There are three types of Hajj.
• The Kalima Tauheed is recited during Hajj.

Last verified on 06-07-2026

Explanation

• Speed: ~300,000 km/s (exactly 299,792 km/s)
• Symbol: c
• Medium: Vacuum (space)
• Type: Electromagnetic waves
• Constant: Universal physical constant

Last verified on 16-05-2026

Explanation

• The correct idiom is “A drowning man catches at a straw.”
• It means a person in danger tries any possible small hope for survival.
• A drowning man catches at a straw means ڈوبتے کو تنکے کا سہارا۔

Last verified on 23-06-2026

Explanation

• CPU stands for Central Processing Unit.
• It is the main part of a computer that processes all instructions.
• It is considered the brain of the computer system.
• It performs all calculations and decision-making tasks.
• It controls the operations of all hardware and software.
• It is located on the motherboard.

Last verified on 10-06-2026