Explanation

• WAN stands for Wide Area Network.
• It covers a large geographical area, potentially across countries or the whole globe.

Additional information:

• LAN: Local Area Network covers a small area.
• MAN: Metropolitan Area Network generally covers a city.

Last verified on 03-09-2026

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

Explanation

• TCP stands for Transmission Control Protocol.
• It is one of the main protocols of the Internet Protocol Suite.
• It was introduced in 1974.
• Robert Kahn and Vint Cerf are recognized as key inventors/developers of TCP/IP.

Last verified on 03-09-2026

Explanation

• BCC stands for: Blind Carbon Copy
• Used in: Email communication
• Purpose: Hides recipient email addresses from other recipients

Additional information:

• CC (Carbon Copy): Recipients are visible to all
• BCC: Recipients are hidden from everyone except the sender

Last verified on 16-01-2026

Explanation

• NTC stands for National Telecommunication Corporation.
• It is a government-owned telecom organization of Pakistan.
• NTC was established in 1996.
• It provides telecommunications and ICT services, particularly to government institutions.

Last verified on 02-09-2026