Explanation

• A collection of system programs that controls and coordinates the overall operations of a computer system is called an Operating System.
• An Operating System (OS) manages the computer’s hardware and software resources.
• It controls CPU, memory, files, input/output devices, and running programs.
• It provides an interface between the user and computer hardware.
• Examples include Windows, Linux, macOS, Android, and iOS.

Last verified on 10-08-2026

Explanation

• One Gigabyte (GB) =  1024 Megabytes (MB)

Additional information:

The size of information in the computer is measured in Kilobytes (KB), Megabytes (MB), Gigabytes (GB), and Terabytes (TB).

• 1 Kilobyte (KB) = 1024 bytes
• One Megabyte (MB) = 1024 Kilobytes (KB)
• One Gigabyte (GB) =  1024 Megabytes (MB)
• One Terabyte (TB)= 1024 Gigabytes (GB)

Last verified on 07-08-2026

Explanation

• The headquarters of the International Court of Justice is in The Hague, Netherlands.
• ICJ is one of the six principal organs of the United Nations.
• It consists of 15 judges, elected for 9-year terms.

• Founded: 1945
• Official Languages: English, French
• Member States: UN member countries
• Main Function: Settling legal disputes between states

Explanation

• Punjab covers an area of 205,344 sq km.
• It is located in the northeastern part of Pakistan.
• It covers about 26% (25.8%) of Pakistan’s total area.

Additional information:

• Balochistan: 347,190 sq km
• Sindh: 140,914 sq km
• Khyber Pakhtunkhwa: 74,521 sq km
• Azad Kashmir: 13,297 sq km
• Total area of Pakistan: 881,913 sq km

Verified & Updated

Explanation

• Canberra is the capital city of Australia.

Additional information:
Currency is the Australian Dollar.

The official language is English.

The national game is Cricket.

Located in the continent of Oceania.

Primary Religion is Christianity (but a secular country).

Parliament is called the Federal Parliament.

Australia flag has three colours.

Tricks for Remember

DOLLAR

 Li-Ne-US-Ca-Fi-T-E-A

Mind trick: Li ne(a name) who lives in US likes Coffee(Ca- Fi) and Tea(T-E-A)

**Li-Ne**

Li-Liberia

Ne-New Zealand

**US**

United States

**Ca-Fi**

Ca-Canadian

Fi- Fizzi

**T-E-A**

T-Taiwan

E-Ethiopia

A-Australia

Must read

Capital of World Countries

Currency of World Countries

Last verified on 12-06-2026

Explanation

• Country: China
• First use: 806 AD (approx.)
• Early name: Feiqian (Flying Money)
• Dynasty: Tang Dynasty → Song Dynasty (official issue)
• Importance: First-ever paper-based monetary system

Last verified on 11-06-2026

Explanation

• Full Name: Vinton Gray Cerf
• Known as: Father of Internet
• Born: 23 June 1943
• Major Contribution: TCP/IP protocol development
• Award: National Medal of Technology (1997)

Last verified on 20-06-2026

Explanation

• The correct expression is "blind in one eye."
• Use in to describe blindness affecting a particular eye.
• Correct sentence: "He is blind in one eye."

Examples:

• The old man is blind in one eye.
• The boy is blind in one eye.

Last verified on 19-07-2026

Explanation

• Hazrat Ali (RA) is widely known as "Bāb-ul-Ilm" (The Gate of Knowledge).
• This title is associated with the famous narration: "I am the city of knowledge, and Ali is its gate."
• He was renowned for his deep knowledge, wisdom, and justice.

Additional information:

• Fourth Caliph: 656–661 AD (35–40 AH)
• Father: Abu Talib
• Relation to the Prophet (ﷺ): Cousin and son-in-law

Last verified on 19-07-2026

Explanation

• Al-Tauba does not begin with Bismillah.
• It is known by two names - At-Taubah and Al-Baraat.
• Surah Tauba is in 10 Parah.
• The number of Rukus in Surah Tauba is 16.
  
  
  

Additional information:

• Bismillah is repeated in the Holy Quran 114 Times.
• Surah Naml surah of the Holy Quran has Bismillah twice.

Last verified on 01-04-2026