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Explanation

• Junk mail is also called spam.
• The name comes from an old Monty Python comedy sketch.
• It is commonly used for ads, scams, or fake promotions.
  

Additional information:

• Spoof means pretending to be another sender (email spoofing).
• Email services use spam filters to block junk mail automatically.

Explanation

• Sir Isaac Newton formulated the Three Laws of Motion.
• He presented them in 1687 in his famous work Principia Mathematica.

Three Laws of Motion:

1. First Law — Law of Inertia: An object remains at rest or in uniform motion unless acted upon by an external force.
2. Second Law — Law of Acceleration: The net force on an object is related to its mass and acceleration.
3. Third Law — Action and Reaction: For every action, there is an equal and opposite reaction.

Last verified on 05-09-2026

Explanation

• Pressing F2 allows you to edit the contents or formula of the current cell in MS Excel.

Additional information:

• F4: Repeat last action / toggle absolute and relative references
• CTRL + 1: Opens Format Cells dialog
• CTRL + F: Opens Find dialog
• Works in: Excel 2007, 2010, 2013, 2016, 2019, 365

Last verified on 12-03-2026

Explanation

• Five verses were revealed in the first revelation (Wahi)
• Verses: 5 verses of Surah Al-Alaq (the 96th chapter of the Quran).
• Location: Cave of Hira (Ghar-e-Hira) on Jabal al-Noor in Makkah.
• Year: 610 AD.
• Angel: Hazrat Jibril (Gabriel).
• First Word: "Iqra" (Read).

Additional information:

• At the Age of 40 years 6 months
• Prescriber of Wahi in Makkah: Sharjeel-ibn-Hasana Kandi
• First writer of Wahi in Quraish: Hazrat Zaid bin Sabit (RA)

Last updated by NS on 5-09-2026