Alejandro Arellano blog

Areas where icts are used         Information and communication technologies Is the role that haves to communicate all the comunicaitions like cellphones and internet .  The term ict   is also used to refer to the convergence  of audiovisual and telephone networks  with computer networks  through a single cabling or link system. There are large economic incentives (huge cost savings due to elimination of the telephone network) to merge the telephone network with the computer network system using a single unified system of cabling, signal distribution and management. We use information and communication technologies in every stage of our lives playing in the computer calling someone etc... . In personal I use information and comunicaition tevhnologies when I call someone or play video games I use information and communication technologies because when I call someone i use communication technologies . https://en.m.wikipedia.org/w...

It’s a group of computer system and other computing devices that are linked together through communicating channels to facilitate communication and resources it’s the thing that connects all that links all together . There are three types of networks . LAN : local area network that is just a small part fo a network that cover only one house or a small area .  MAN: Metropolitan área network it’s cover a city or a metrópoli  WAN:Wide área network  it’s the entire part of a network it cover a lot of cities even a entire country because it use wan and lan to connect all together .