Explanation

• YouTube is the most common platform for video streaming worldwide.
• It allows users to watch, upload, and live stream videos.
• It is widely used for education, entertainment, and news content.
• It was launched in 2005.

Last verified on 24-06-2026

Explanation

• Microsoft was founded on April 4, 1975.
• It was founded by Bill Gates and Paul. Allen in Albuquerque, New Mexico.

Last verified on 02-03-2026

Explanation

• 5G is the fifth generation of mobile internet technology.
• It uses high-frequency radio waves for faster speed.
• The main advanced part of 5G is millimeter wave spectrum.
• This allows very high data speed and low delay (latency).
• It supports technologies like smart cities and IoT.

Last verified on 27-04-2026

Explanation

• Google, a US multinational technology company.
• It is a type of search engine operating since 1997.
• It was founded in the year: September 4, 1998
• The Headquarters of Google is located in the city of California.
• Sergen Brin & Larry Page is the founder of Google.
• Sergey Brin is the real owner of Google.
• Parent organization: Alphabet Inc.

Last verified on 31-03-2026

Explanation

• E-Government apps are designed by government agencies to provide public services
• Examples: The Pakistan Citizen Portal, Pak ID app, and e-Khidmat Markaz are examples of E-Government applications

Explanation

• Binance P2P is the most popular and widely used P2P trading platform for Pakistani users.
• Using local payment methods such as bank transfers, EasyPaisa, and JazzCash 

Explanation

• A Real-Time Operating System (RTOS) processes data and responds immediately to inputs.
• Used in applications where timely response is critical.
• Example: Air traffic control systems – monitor and respond to aircraft in real-time

Last verified on 08-03-2026

Explanation

MAN (Metropolitan Area Network): City or district coverage

• LAN (Local Area Network): Small area, e.g., home, office
• WAN (Wide Area Network): Covers countries or continents, e.g., Internet
• PAN (Personal Area Network): Very small area, e.g., devices connected via Bluetooth

Explanation

• Junk email is unwanted and unsolicited email sent in bulk.
  • It is commonly used for ads, scams, or fake promotions.
  • The standard other name for junk email is Spam.

Additional information:

• Spoof means pretending to be another sender (email spoofing).
• Spam filters are used in email services to automatically block junk mail.

Last verified on 16-02-2026

Explanation

The internet, large corporate networks, and banking networks are common examples of WANs

A WAN can cover country, continent or even a whole world.

Other examples of WAN are mobile broadband connections such as 3G, 4G etc.

Last updated 15-feb-2026