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Explanation

• Pakistan joined the United Nations on September 30, 1947.

Additional information:

• The name was coined by US President Franklin D. Roosevelt.
• Headquarters is located in New York, United States.
• Founded on October 24, 1945.
• It currently has 193 member states and 2 observer states.
• The official languages of the UN are Arabic, Chinese, English, French, Russian, and Spanish.

1. 1952-1953
2. 1968-1969
3. 1976-1977
4. 1983-1984
5. 1993-1994
6. 2003-2004
7. 2012-2013
8. 2025-2026

Last verified on 09-03-2026

Explanation

• ROM (Read Only Memory) is a non-volatile storage device.
• It stores data permanently even without power.

Additional information:

• RAM (Random Access Memory) is a volatile storage device.
• It loses data when power is off.

Last verified on 17-06-2026

Explanation

• Jakarta, Indonesia is the world's most populous metropolitan city.

Additional information:

1. Jakarta, Indonesia: ~42 million
2. Dhaka, Bangladesh: ~37 million
3. Tokyo, Japan: ~33 million
4. New Delhi, India: ~30 million
5. Shanghai, China: ~29 million

Last verified on 02-06-2026

Explanation

Explanation

• The pyramid of Giza is located in Egypt.
• It is one of the 7 wonders of the ancient world.
• These ancient structures are situated on the Giza Plateau, near Cairo.
• The houses surrounding the pyramid were made of clay bricks dried in the sun.
• All the houses had flat roofs.

Last verified on 30-09-2026

Explanation

• Ctrl + Y is used for redoing the last undone action in most applications.

Additional information:

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

Last verified on 09-08-2026

Explanation

• Europe is the only continent without a desert.
• It has a temperate climate with sufficient rainfall.

Additional information:

• Divided by the Ural Mountains
• Second-smallest continent
• Covers 2% of Earth’s surface
• Area: 10.18 million km²

Last verified on 16-01-2026

Explanation

• CPU stands for Central Processing Unit.
• It is the main part of a computer that processes all instructions.
• It is considered the brain of the computer system.
• It performs all calculations and decision-making tasks.
• It controls the operations of all hardware and software.
• It is located on the motherboard.

Last verified on 10-06-2026

Explanation

• Third Generation (1965–1971): Integrated Circuits (ICs)
• A small semiconductor chip, usually made of silicon.
• Contains many tiny electronic components, including transistors/MOSFETs.

Additional information:

• First Generation (1946–1959): Vacuum tubes
• Second Generation (1959–1965): Transistors
• Third Generation (1965–1971): Integrated Circuits (ICs)
• Fourth Generation (1972–1980): VLSI and microprocessors

Explanation

• Conquest of Sindh: 712 AD
• Battle: Aror (near Rohri)
• Opponent: Raja Dahir (killed in battle)
• He attacked Sindh on orders of the Umayyad Caliph through Hajjaj bin Yusuf.
• Death: 18 July 715 AD

Major cities captured:

• Nirun
• Debal (Sikka fortress)
• Brahmanabad
• Alor (Aror)
• Multan

Last verified on 01-04-2026