Explanation

• Mars is known as the Red Planet due to its reddish appearance.
• Its surface contains iron oxide (rust) which gives it a red color.
• It is the 4th planet from the Sun in the solar system.
• Mars has two small moons: Phobos and Deimos.
• Mars is often called the “planet of future exploration”.

Last updated by NA on 05-11-2026

Explanation

• RAM and Cache are volatile memories.
• It means their data is lost when power is turned off.
• Volatile memory requires continuous power to retain data.
• RAM is used for running programs and storing temporary data.
• Cache is a high-speed memory that stores frequently used data for the CPU.

Additional information:

• ROM is non-volatile and retains data without power.

Last verified on 16-02-2026

Explanation

• UNO Headquarters: Manhattan, New York City.

Additional information:

• UNO Stands for: United Nations Organization
• Founded: 24 October 1945 (after World War II 1939–1945)
• Member States: 193 countries
• Official Languages (6): Arabic, Chinese, English, French, Russian, Spanish
• Motto: “It’s your world!” (commonly used awareness slogan)
• Pakistan Joined UNO: 30 September 1947

Last verified on 10-06-2026

Explanation

• A rainbow forms when sunlight is refracted, reflected, and dispersed through water droplets in the atmosphere.
• Refraction bends the light, while dispersion separates it into seven colors, creating a rainbow.

Last verified on 10-10-2026

Explanation

• Linux is based on open-source software.
• It is a Unix-like operating system.
• Created by: Linus Torvalds (1991).
• It is widely used in servers, mobile devices, and supercomputers.

Last updated 18-07-2026 by NA

Explanation

• Brave means بہادر
• Fearful means خوف زدہ
• Coward means بزدل

Last verified on 12-06-2026

Explanation

• The Indus Waters Treaty was signed on September 19, 1960, in Karachi.
• It was signed between Pakistan (President Ayub Khan) and India (Prime Minister Jawaharlal Nehru).
• It was brokered by the World Bank.

It became effective on April 1, 1960.

• Western Rivers (given to Pakistan): Indus, Jhelum, Chenab
• Eastern Rivers (given to India): Ravi, Beas, Sutlej

Last verified on 30-03-2026

Explanation

• Russia is the largest country in the world.
• With a total area of 17,098,242 Km² (6,601,665 mi²).
• Tips remember: RCCU BAI

List of Largest countries by area:

Must read it

Which country has the largest population in the world?

Last verified on 09-02-2026

Explanation

A Vernier caliper provides precise linear measurements of small objects.

It can measure internal, external, and depth dimensions with high accuracy (usually up to 0.1 mm or 0.01 cm).

The least count of a Vernier caliper is 0.02mm.

Explanation

Arshad Nadeem set a new Olympic record by clinching the coveted gold medal in the men’s javelin final

This ended Pakistan’s 32-year wait for success at the Games 

Throw: 92.97-m throw

Winning date: 8 Aug 2024