This tutorial explains the types of multiplexing and demultiplexing in detail. Learn what the multiplexing is and how it works in computer networks.

This tutorial explains data modulation in computer networks. Learn what the data modulation is and how it works in computer networks.

This tutorial explains the functionality of analog signaling and digital signaling. Learn how analog and digital signals work and how they transmit information.

This tutorial explains network topologies (Bus, Star, Ring, Mesh, Point-to-point, Point-to-multipoint, and Hybrid) in detail with their advantages and disadvantages.

This tutorial explains user account types in computer network. Learn different types of user accounts such as system account, regular user account, guest user account, super user account, group account, local user account, remote user account, network user account and anonymous user account in detail.

This tutorial explains how email works step by step in detail with examples including essential components of mail system such as UA, MSA, MTA, MDA and AA. Learn fundamentals and basic concepts of mail system along with how email travels from source to destination.