Explanation

• Modem is a computer hardware device used for communication over a network.
• Modem stands for Modulator-Demodulator.
• A modem converts digital data into signals suitable for transmission.
• It also converts incoming signals back into digital data.
• Modems are commonly used to provide Internet connectivity.

Last verified on 15-09-2026

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

• Light Year is the distance that light can travel in one year.
• The distance light travels in one year is known as light year.
• 1 light year is equal to 9.5 x 10¹²km.

Last verified on 30-03-2026

Explanation

• A Barometer is an instrument used to measure air (atmospheric) pressure.
• It helps in weather forecasting by measuring changes in atmospheric pressure.
• The mercury barometer is the oldest type of barometer.
• It was invented by Evangelista Torricelli in 1643.
• Barometers are widely used in meteorology and aviation.

Last verified on 09-07-2026

Explanation

• After the Battle of Yamama (632 AD), Hazrat Umar (R.A.) suggested compiling the Quran into one collection.
• Hazrat Abu Bakr (R.A.) initially hesitated but later accepted the suggestion.
• Hazrat Zaid bin Sabit (R.A.) was appointed to undertake the compilation.
• The compiled manuscript was kept with Hazrat Abu Bakr (R.A.), then Hazrat Umar (R.A.), and later Hazrat Hafsa (R.A.).

Last verified on 13-09-2026

Explanation

• Ctrl + K → Insert Hyperlink

Additional information:

• Ctrl + P → Print
• Ctrl + F2 → Print Preview
• Ctrl + H → Replace dialog box
• Ctrl + D → Font dialog box

Last verified on 06-07-2026

Explanation

• The Battle of Karbala took place on Muharram 10 61 A.H (October 10, 680)
• In Karbala, present-day Iraq.
• It was fought between the army of the second Umayyad Caliph, Yazid I, and a small army led by Hussain ibn Ali (AS).
• The Umayyad Caliph Muawiyah I had nominated his son Yazid as his successor.

Last verified on 25-04-2026

Explanation

• In Microsoft Word 2003 and earlier, the default left and right margins were 1.25 inches (31.7 mm).
• The default top and bottom margins were 1 inch (25.4 mm).
• From Word 2007 onward, the default margins became 1 inch on all sides.

Last verified on 08-09-2026

Explanation

• RAM stands for Random Access Memory.
• It is a type of fast, temporary computer memory.
• It is essentially short-term memory.
• It is the hardware in a computing device where the operating system (OS).

Last verified on 26-04-2026

Explanation

• Choudhry Rahmat Ali coined the name "Pakistan"
•  He first used the name in his pamphlet titled "Now or Never; Are We to Live or Perish Forever?"
• On January 28, 1933.
• The word means "Land of the Pure" in Persian and Urdu (Pak means pure, and stan means land)
• He first thought of the name in 1932 while on a London bus,
• The name was also designed as an acronym for the Muslim-majority regions of northern British India
• Punjab
• Afghania (North-West Frontier Province)
• Kashmir
• Sindh
• Baluchistan