CHAPTER-8 COMPUTER NETWORKS 8.1 Evolution of Networking: 8.1.1 Introduction to Computer Networks: Network: – To connect the more than one devices via a medium, is called network. Why do we need network? 1. Fast and Secure Communication 2. Resource sharing 3. Reduce Cost 8.1.2 Evolution of Network: ARPANET: The Advanced Research Projects Agency Network (ARPANET) was an early packet switching…
(CBSE Class XII – Computer Science / Informatics Practices) Networking Devices, Network Topologies & Network Protocols 1. Networking Devices We use Networking Devices to connect computers and other devices in a network. These are hardware components that help us make a network. 1.1 Modem (Modulator-Demodulator) A Modem converts signals to analog and analog to digital….
1. Foundations of Networking and System Architecture The architecture of data management has undergone a strategic evolution, shifting from localized, isolated storage to a globalized, centralized networking model. In the pre-networking era—exemplified by traditional banking—data was confined to physical registers or local hard drives. A customer’s record existed only at their specific “home branch.” If…
