What do you mean by computers network. Describe diffirence mode of communicatioo !
Computer network cyber security square to introduce fundamental types of computer science network. A set of computer network is set of connected together for purpus of shareing resources. The most common resource share today is connection is the internet other share resource rectriter and field server. The internet it self inconsider as a computer relook. Computer on a network one called modes. The connection between computer can be done by cableing or thourgh radio waves. there are three types communication modes is 1. Simplex 2. Half duplex 3. Full duplex. 1. The simplex mode data can be any sent through one direction. We can'nt send a message to back to the sendder. Exmple of simplex mode is loud speacker television broed casting. Television remote. 2. Half duplex mode we can sent data in both direction but it is done. One at a time. We can'nt sent message to the sendder half duplex walki talki. 3. In full duplex system we can sent data in both direction. Simultaniously