: Two-way communication but not simultaneously (e.g., walkie-talkies).
: Includes topic-wise solved board papers and the latest board question papers to aid in exam preparation. : Two-way communication but not simultaneously (e
The "new" versions of these books, such as the 2023 edition of Computer Networking and Data Communication , include several student-centric features: including copper wire
: A network is defined as a set of devices (nodes) such as computers, printers, or scanners, interconnected by communication links. and communication satellites.
: Data is exchanged using various media, including copper wire, fiber optics, microwaves, and communication satellites.