Explanation

• Alexander Graham Bell is credited as the inventor of the telephone.
• He was awarded the first successful patent for it.
• The telephone was invented in 1876.
• Bell made the first-ever telephone call to his assistant Thomas Watson.

Last verified on 31-03-2026

Explanation

• The Pacific Ocean is the largest and deepest ocean on Earth.
• It covers about 30% of the Earth's surface.
• It contains 97% of the Earth's water.
• The Mariana Trench, the deepest part of the ocean.
• It is located in the Pacific.
• The Arctic Ocean is connected to the Pacific Ocean via the Bering Strait.

Additional information:

• Oceans cover 71% of the Earth's surface.
• The Indian Ocean is the warmest, with the Persian Gulf being the hottest area.
• The Diamantina Trench is the deepest point in the Indian Ocean.
• Jordan does not have an ocean.
• The Arctic Ocean is the Smallest Ocean of the world.

Last verified on 17-03-2026

Explanation

• Sputnik-1 was launched by the USSR (Soviet Union) on 4 October 1957.
• It was the world's first artificial satellite, beginning of the Space Age.
• It started the Space Race between the Soviet Union and the United States.
• Launch Site: Baikonur Cosmodrome, Kazakhstan
• Weight: 83.6 kg
• Orbital Period: About 96 minutes

Last verified on 09-03-2026

Explanation

• The Mangla Dam is situated on the Jhelum River.
• It is the seventh-largest dam in the world.
• Construction was started in 1961.
• It was completed in 1967.
• It has 5 tunnels and a power station.

Last verified on 07-06-2026

Explanation

• Malala Yousafzai won the Nobel Peace Prize in 2014 jointly with Kailash Satyarthi.
• The prize was announced in October 2014.
• At the age of 17, Malala became the youngest Nobel Prize laureate in the world.
• She was recognized for her struggle for girls' education and children's rights.

Additional information:

• She belongs to Mingora, Swat, Pakistan.
• Born: 12 July 1997
• International Malala Day: 12 July every year

Last verified on 07-07-2026

Explanation

• An IP address is used to uniquely identify a device on a network.
• It allows devices to communicate and exchange data over a network or the Internet.
• Every device connected to a network is assigned an IP address.
• An IP address helps send data to the correct destination.

Last verified on 07-07-2026

Explanation

• A firewall’s main function is to prevent or block unauthorized access to a computer network.
• It acts as a security barrier between trusted and untrusted networks (like the internet).
• It filters incoming and outgoing network traffic based on security rules.
• It helps protect systems from hackers and unwanted access attempts.

Last verified on 10-06-2026

Explanation

• Amazon, Microsoft and Google are the three largest public cloud storage providers.
• Dropbox, eFolder, IBM etc. are examples of cloud service providers.

Last verified on 06-07-2026

Explanation

• Convex lenses are known as Converging lenses.
• Because they bring parallel light rays to a single focal point.
• A convex lens is thicker at the center and thinner at the edges.
• It forms real and inverted images when the object is beyond the focal length.
• It can also produce a virtual, erect, and magnified image when the object is placed within the focal length.

Additional information:

• Concave lens is also called a diverging lens.

Last verified on 11-03-2026

Explanation

• Maulana Mazharuddin Shaheed gave the title "Quaid-e-Azam" to Muhammad Ali Jinnah in 1938.
• The title means "Great Leader."

Additional information:

• Born: 25 December 1876, Karachi
• Died: 11 September 1948, Karachi

Last verified on 06-07-2026