What is Computer network
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A computer network connects various computers and peripheral devices via transmission media and connecting devices. It allows for sharing of hardware and software resources between connected computers. A network provides services like file sharing, applications, email and web browsing. The basic elements of a computer network include end devices, connecting devices, transmission medium, messages and protocols that govern information transfer.
What is Computer network
- 1. What is A Computer Network?
- 2. Definition of a Computer Network ▪A group of computers (hosts/nodes) and computer peripherals connected via a transmission media and connecting devices
- 3. Computer Types ▪Personal Computers (PCs) ▪ Desktop Computer ▪Laptops ▪Tablets ▪Smart Mobile Phones ▪Embedded Systems in Machines ▪ Internet of Things (IoT)
- 4. Computer Peripherals ▪Hardware connected to computer ▪ Printers ▪ Scanners ▪ Storage Media ▪Cloud Computing and Data Center ▪ Servers ▪ Storage Devices ▪ Managing Terminals ▪ Offers several types of services
- 5. Transmission Media ▪Wired (Cables) ▪ Copper ▪ Coaxial Cables ▪ Twisted Pair Cables (Shielded/Unshielded) ▪ Fiber Optic ▪ Single Mode ▪ Multi-Mode ▪Wireless ▪ Air as Transmission Media ▪ Frequency Band ▪ Area of Coverage
- 6. Network Benefits and Services ▪Resources Sharing ▪ Hardware Resources ▪ Computer Peripherals ▪ Storage Media ▪ Processors ▪ Software Resources ▪ File Sharing ▪ Databases ▪ Applications ▪Services ▪ Browsing and E-mail ▪ Voice Calls and Video Conferences
- 7. Basic Network Elements ▪End Devices ▪ Communicating with each other (Send/Receive) ▪Connecting Devices ▪ Switches, Routers, and Access Points ▪Medium ▪ How devices connected? ▪Messages ▪ Information travelling through network ▪Protocols ▪ Rules governing information transfer