Explanation

• The Data Bus transfers actual data between CPU and memory.
• It carries information that is being processed or stored.
• It is a two-way communication path in most systems.

Additional information:

• Address Bus: Carries memory location (address)
• Control Bus: Carries control signals (read/write)
• System Bus: Combination of all three buses
• Direction: Mostly bidirectional for data transfer

Last verified on 22-06-2026

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

• Pakistan became an "Islamic Republic" in its 1956 constitution.
• This constitution was the first to declare Pakistan as an Islamic Republic.
• It is reflecting the country's identity as a democratic state founded on the principles of Islam.

Additional information:

• The constitution was adopted on March 23, 1956.
• The 1956 Constitution was abrogated in 1958.
• When President Iskander Mirza imposed martial law and declared himself the Chief Martial Law Administrator.

Last verified on 23-03-2026

Explanation

United Nations Climate Change Conference 2025

• Edition: 30th 
• Starting date: 10 Nov 2025
• Closing date: 21 Nov 2025
• Venue: Brazil

Additional Information: 

• COP29 was held in Baku, Azerbaijan in 2024.

Last verified on 10-05-2026

Explanation

• Rohtas Fort near Jhelum was built by Sher Shah Suri.
• He was the founder of the Suri Empire in India.
• It is a 16th-century fortress.
• It is located near the city of Dina in Jhelum.
• The construction started in 1541.
• It has 14 gates.

Last verified on 01-05-2026

Explanation

• The Sahara is a desert on the African continent.
• It is the largest hot desert in the world.
• Area: 9.2 million km²
• Length: 4,800 km (3,000 mi)
• Width: 1,800 km

Last verified on 11-06-2026

Explanation

• Punjab: 41 Districts, 10 Divisions
• Largest province (population & area-wise): Punjab
• Capital of Punjab: Lahore
• Largest city of Punjab: Lahore
• Largest district of Punjab (area-wise): Bahawalpur
• Largest district of Punjab and Pakistan (population-wise): Lahore

Additional information:

• Smallest district of Pakistan (area-wise): Torghar (KPK)
• Largest district of Pakistan (area-wise): Chagai (Balochistan)

Most Important Information:

Districts and Divisions of Pakistan:

• Punjab: 41 Districts, 10 Divisions
• KPK: 38 Districts, 7 Divisions
• Sindh: 30 Districts, 6 Divisions
• Balochistan: 36 Districts, 8 Divisions
• Gilgit-Baltistan: 14 Districts, 3 Divisions
• Azad Kashmir: 10 Districts, 3 Divisions

Last verified on 03-06-2026

Explanation

• The famous August Offer was made by the Viceroy named Lord Linlithgow
• Victor Alexander John Hope, 2nd Marquess of Linlithgow
• Purpose: To secure Indian cooperation in World War II.
• Date: August 8, 1940.

Last question by NA on 26 April 2026

Explanation

$1 + tan^2 x = sec^2 x$
sec x = √(1 + (3/5)²) = √(34/25) = √34/5
cos x = 1/sec x = 5/√34

Explanation