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

• Bus, Star, and Ring are all types of network topologies.
• A network topology is the physical or logical arrangement of devices in a network.

Additional information:

• Bus Topology – All devices share a single communication cable.
• Star Topology – All devices connect to a central hub or switch.
• Ring Topology – Devices are connected in a circular loop.
• Mesh Topology – Every device connects to multiple or all other devices.
• Tree Topology – Combination of star and bus topologies.

Last verified on 07-07-2026

Explanation

• Facial recognition is a prime example of Artificial Intelligence (AI).
• It uses AI algorithms to detect, analyze, and identify human faces.
• The technology compares facial features with stored data for identification or verification.
• It is widely used in security systems, smartphones, airports, and surveillance.

Last verified on 07-07-2026

Explanation

• RAM are volatile memories.
• It means their data is lost when power is turned off.
• Volatile memory requires continuous power to retain data.
• RAM is used for running programs and storing temporary data.

Additional information:

• ROM is non-volatile and retains data without power.

Last verified on 16-02-2026

Explanation

• LAN stands for Local Area Network.
• It is a network that connects devices within a limited geographical area.
• LAN is commonly used in homes, schools, laboratories, university campuses, and office buildings.
• It provides high-speed communication and resource sharing between connected devices.

Additional information:

• MAN: Metropolitan Area Network – Covers a city or metropolitan area
• WAN: Wide Area Network – Covers a large geographical area (countries/continents)

Last verified on 07-07-2026