computer network

Linked digital systems

A computer network is a system of interconnected computers that can exchange data and share resources.

Networks range from small home setups linking a few devices to the internet itself—a global network of networks.

The office computer network went down for an hour.

Network infrastructure includes cables, routers, and wireless access points that enable the connections.

infrastructure

server

One who attends tables

  • routerPacket-forwarding network device
  • switchCircuit-breaking toggle device
  • hubCentral connection point

cable · fiber · backbone · node · gateway · LAN · WAN · topology · rack · architecture

connectivity

connection

A joining or relation

ping · wireless · Wi-Fi · Bluetooth · hotspot · access point · broadband · fiber-optic · modem · signal

security

firewall

Network access control system

breach · vulnerability · malware · phishing · cyberattack · DDoS · VPN · proxy · access control · penetration testing

protocols

TCP/IP

Internet's core protocol suite

  • HTTPWeb data transmission standard
  • HTTPSEncrypted browsing standard
  • FTPData transmission standard

SMTP · DNS · SSH · VPN · IP address · packet · port · handshake · routing · IPv6

internet

browser

Web access program

ISP · streaming · cloud · online · download · upload · hyperlink · webmaster · e-commerce · social media

communication

email

Digital written communication

instant messaging · file sharing · broadcast · multicast · teleconference · data transfer · remote access · collaboration · extranet · peer-to-peer

Categories
Opposites
connectivity

computer networksneakernet

Physical data transport

typewriter · filing cabinet · card catalog · ledger book · pen and paper

system architecture

computer networkpersonal computer

Individual-use computing machine

closed system

Family

internet, network, computer, compute, computing, computers, networks, ethernet, networking

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Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G