Networkin fundamental : Computer network
Hi steemian
hopefully always be creative and always healthy for all of you. This time I will share for you all about computer network.
A Computer network, or Data network, is a digital telecommunications network which allows nodes to share resources. In computer networks, computing devices exchange data with each other using connections between nodes (data links.) These data links are established over cable media such as wires or optic cables, or wireless media such as WiFi.
Network computer devices that originate, route and terminate the data are called network nodes.[1] Nodes can include hosts such as personal computers, phones, servers as well as networking hardware. Two such devices can be said to be networked together when one device is able to exchange information with the other device, whether or not they have a direct connection to each other. In most cases, application-specific communications protocols are layered (i.e. carried as payload) over other more general communications protocols. This formidable collection of information technology requires skilled network management to keep it all running reliably.
Computer networks support an enormous number of applications and services such as access to the World Wide Web, digital video, digital audio, shared use of application and storage servers, printers, and fax machines, and use of email and instant messaging applications as well as many others. Computer networks differ in the transmission medium used to carry their signals, communications protocols to organize network traffic, the network's size, topology and organizational intent. The best-known computer network is the Internet.
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network has the following functions:
Sharing resources: For example sharing printer usage, CPU, Memory and Harddisk.
Communication: for example e-mail, chat etc.
Access Information: For example web browsing.
The network device itself consists of :
Server (Network Service Provider)
Network devices: Hub, Switch, Router
An end device: Laptop, PC, Mobile
Interconnection (NIC), Media Transmission (cable, wireless or satelite), and connectors
Computer network can be divided into :
By Scale / Distance
- Local Area Network (LAN)
- Metropolitan Area Network (MAN)
- Wide Area Network (WAN)
Based on Functions
- Client-Server
- Peer-to-peer
Based on the distribution of information sources
- Centralized network: This network consists of clients and servers. Where the client can access the source information / data coming from the server.
- Distributed Network: This network consists of many server computers associated with the client. which form a specific network system.
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So, that it's my article about the computer network at this time, thank you for visiting my blog hopefully useful for all of you and always support me.