Data Communication and Computer Networks

Characteristics of twisted pair cables: The characteristics of twisted pair cables include: Electrical noise prevention: Twisted pair cables prevent electrical noise going into or coming from the cable. Cross talk minimization: Cross talk between neighboring pairs is minimized in twisted pair cables. Cost effective: Twisted pair cables are the cheapest form of cable available for […]

LAN and WAN: Here are the key differences between LAN and WAN : Scope: A LAN (Local Area Network) is a group of network devices that allow communication between connected devices in a small area. A WAN (Wide Area Network) covers a larger area than a LAN, such as a country or continent. Ownership: A

Data communication, message, encoder and decoder Here are explanations for the terms: Data Communication: The process of transferring data electronically from one location to another through a communication channel. This can be through various mediums like copper wires, fiber optic cables, or wireless networks. Message: The information or data being transmitted from a sender to

Differences between Wi-Fi and Li-Fi : Here are the differences between Wi-Fi and Li-Fi: Speed: Wi-Fi: maximum of 1 Gbps Li-Fi: up to 100 Gbps Range: Wi-Fi: can travel through walls and obstacles, offering connectivity over longer distances Li-Fi: requires a direct line of sight between the transmitter and receiver, limiting its range to the

Basic elements of a fiber optic cable: The basic elements of a fiber optic cable are : Core: This is the physical medium that transports optical signals from an attached light source to a receiving device. Cladding: This is a thin layer that surrounds the core and serves as the boundary that contains the light