Explanation

• LCD = Liquid Crystal Display
• LCD is a flat-panel display technology.
• It is used in televisions, computer monitors, smartphones, calculators, and other electronic devices.
• It uses liquid crystals to control light and produce images.

Last verified on 07-09-2026

Explanation

• Indubitably means without doubt or uncertainty.
• Undoubtedly has the same meaning: certainly / unquestionably
• Indubitably means شک یا غیر یقینی کے بغیر
• Undoubtedly means یقینی طور پر / بلا شبہ

Last verified on 06-09-2026

Explanation

When fasting was made obligatory:

• Timing: Second year of Hijrah (2 AH / 624 CE), in the month of Sha'ban
• First fast: Ramadan 2 AH
• Key verse: Surah Al-Baqarah (183–185)
• Prophet's practice: Fasted Ramadan for 9 years (until 11 AH)
• Before Ramadan: Muslims fasted on Ashura (10th Muharram) and three days each month

Last updated by NS on 5-09-2026

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 
  

Explanation

• Ctrl + A: Select All

Additional information:

• Ctrl + C: Copy
• Ctrl + V: Paste
• Ctrl + X: Cut
• Ctrl + Z: Undo

Last verified on 02-07-2026

Explanation

• USB stands for Universal Serial Bus.
• USB is a standard used to connect and transfer data between electronic devices.
• A USB flash drive is a data storage device that uses flash memory with an integrated USB interface.
• Ajay Bhatt is widely credited as a key figure in the development of USB technology in the 1990s.

Last verified on 05-09-2026

Explanation

• DOCX is the newer version of DOC, the original official Microsoft Word file format. 
• Microsoft Word 97 - 2003 Document extension (.doc).
• Microsoft Word 2007 to till date Document extension (.docx).

Additional information:

• .xls extension of Excel.
• .ppt extension of PowerPoint.
• .txt extension of Text files.
• .pdf extension of Portable Document Format.

Last verified on 15-02-2026

Explanation

• SIM stands for Subscriber Identity Module.
• A SIM card securely stores the subscriber's identity and enables access to a mobile network.

Additional information:

• First SIM card developed: 1991
• Invented in: Munich, Germany
• Manufacturer: Giesecke+Devrient (G+D)
• PIN: Personal Identification Number
• PUK: Personal Unblocking Key

Last verified on 22-07-2026

Explanation

• ROM stands for Read Only Memory.
• It is a type of non-volatile memory.
• So its contents are retained when power is turned off.
• ROM stores important instructions such as firmware and boot instructions.

Additional information:

• RAM → Random Access Memory
• PROM → Programmable Read Only Memory
• EPROM → Erasable Programmable Read Only Memory

Last verified on 08-08-2026

Explanation

• The Line of Control (LoC) was established in 1949 after the Karachi Agreement.
• It was following the first Indo-Pak war over Kashmir.
• It was originally called the Ceasefire Line and renamed the LoC in the 1972 Simla Agreement.
• The LoC is approximately 740 km long.

Last verified on 03-09-2026