Explanation

• B2C stands for Business to Consumer in e-commerce.
• It refers to transactions where businesses sell products or services directly to customers.
• It is the most common online shopping model.
• Examples include online retail stores like Amazon-type platforms.

Last verified on 24-06-2026

Explanation

• Bluetooth is a Personal Area Network (PAN) technology used for short-range communication.
• It connects devices within a range of about 10 meters.
• It is commonly used in headphones, mobile phones, and laptops.
• It works without cables using wireless signals.

Last verified on 24-06-2026

Explanation

• A website cookie is used to track and remember user preferences and browsing activity.
• It helps websites recognize returning users.
• It stores small data like login info, settings, and preferences.
• It improves user experience by personalizing content.

Last verified on 24-06-2026

Explanation

• Fake website traffic is called Bot traffic.
• It is generated by automated software (bots).
• It does not come from real human users.
• It is often used to manipulate views, clicks, or analytics data.
• It can affect website performance and statistics.

Last verified on 24-06-2026

Explanation

• Inventor: Tim Berners-Lee
• Collaborator: Robert Cailliau
• Year of invention: 1989 August
• Organization: CERN (European physics lab, Switzerland)
• First website: 1991 (public release)
• WWWW stands for World-Wide Web Worm.

Last verified on 24-06-2026

Explanation

• ROM is commonly used to store firmware in embedded systems.
• Firmware is permanent software stored in non-volatile memory.
• ROM retains data even when power is OFF.
• It is essential for device startup and basic control functions.

Last verified on 24-06-2026

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

• Switch is a networking device used to connect multiple computers in a network.
• It forwards data only to the intended device using MAC addresses.
• It improves network efficiency and reduces data traffic.
• It is commonly used in LAN (Local Area Network).
• It is works on Data Link Layer (OSI Model Layer 2).

Last verified on 24-06-2026

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

• Ada Lovelace is considered the world’s first programmer.
• Because she wrote the first algorithm for a machine.
• She worked on Charles Babbage’s Analytical Engine in the 1840s.
• Her work is recognized as the first concept of computer programming.

Last verified on 23-06-2026