Data Communication and Computer Networks

Unguided media, also known as wireless media, are channels that allow data to be sent from one location to another without the use of physical pathways. Here are three types of unguided media: Radio waves: These are easy to generate and can penetrate through buildings. The sending and receiving antennas need not be aligned. Frequency […]

Wireless transmission media refers to the methods and technologies used to transmit data or information through the air, without the use of physical cables or wires. This type of transmission uses electromagnetic waves, such as radio waves, microwaves, and infrared signals, to transmit data between devices. Types of Wireless Transmission Media: 1. Radio Waves: Used

A coaxial cable is a type of wire that carries signals, like TV shows and internet data, from one place to another. Here are the advantages and disadvantages of coaxial cables: Advantages: High data transmission speed Good signal strength Resistant to interference Supports multiple channels Durable and long-lasting Less susceptible to noise or interference Higher

Yes, I do! The Internet of Things (IoT) is already gaining significant traction and is expected to continue growing in popularity in the future. Here are some reasons why: 1. Increasing connectivity: More devices are becoming connected, and IoT enables communication between them. 2. Smart homes and cities: IoT is already being used in smart

Computer networks are necessary for various reasons: 1. Resource Sharing: Networks allow multiple devices to share resources like printers, files, and internet connections. 2. Communication: Networks enable communication between devices, facilitating data transfer and exchange. 3. Collaboration: Networks enable multiple users to work together on projects and share information. 4. Scalability: Networks can expand as