Explanation

• A Barometer is an instrument used to measure air (atmospheric) pressure.
• It helps in weather forecasting by measuring changes in atmospheric pressure.
• The mercury barometer is the oldest type of barometer.
• It was invented by Evangelista Torricelli in 1643.
• Barometers are widely used in meteorology and aviation.

Last verified on 09-07-2026

Explanation

• The Pakistan-Afghanistan border (West/Northwest) is 2,611 km long.

Additional information:

• Pakistan’s borders with neighbors:

• India: 2,100 km (East)
• China: is 599 km (Northeast)
• Iran: 909 km (West)

• Arabian Sea coast: 1,058 km (South)
• Total land border: 6,219 km
• Land + Sea border: 7,277 km
• Land + Sea + LOC & Working Boundary: 8,340 km

Last verified on 16-01-2026

Explanation

There have been only 7 nationwide censuses.

1. First Census was held in Pakistan in 1951.
2. The second Census was held in Pakistan in 1961.
3. The third Census was held in Pakistan in 1972.
4. The fourth Census was held in Pakistan in 1981.
5. The fifth Census was held in Pakistan in 1998.
6. The Sixth Census was held in Pakistan in 2017.
7. The seventh census was held in Pakistan in 2023.

Additional Information:

Census has been undertaken every 10 years

it was beginning in 1872 under British viceroy Lord Mayo

Explanation

• Start a presentation from the beginning: F5
• Start a presentation from the current slide: Shift + F5

Last verified on 01-09-2026

Explanation

• The process of combining two or more cells into a single cell in MS Word or Excel is called "merging."
• This is commonly used for formatting tables or organizing data.

Last verified on 23-10-2026

Explanation

• They arrived at the airport just in time for their flight.
• وہ اپنی پرواز کے عین وقت پر ہوائی اڈے پر پہنچے۔
• The preposition "at" is used to indicate a specific location, such as "at the airport."
• Example: They arrived at the village before sunset.

Last verified on 10-10-2026

Explanation

• Hybrid computer processes both analog and digital signals.
• It combines the features of analog and digital computers.
• Used in medical equipment, scientific research, and industrial systems.

Explanation

• Definition: Total value of goods and services produced within a country in a year
• Components: Consumption, Investment, Government Spending, Net Exports
• Purpose: Measures economic performance and standard of living
• Units: Usually in US dollars or local currency
• Major Example: Pakistan’s GDP in 2025 ≈ $500 billion (nominal)

Explanation

• In MS Excel, every formula and function starts with the equal sign (=).
• The = tells Excel that the cell contains a formula, not plain text.
• Functions such as SUM, AVERAGE, and IF also begin with =.
• Without the =, Excel treats the entry as ordinary text.

Last verified on 10-02-2026

Explanation

• In MS Word, Ctrl + J is used to justify text.
• Justified text is evenly aligned on both left and right margins.
• It is commonly used in books, newspapers, and formal documents.

Additional information:

• Ctrl + L → Left align
• Ctrl + E → Center align
• Ctrl + R → Right align

Last verified 29-05-2026