Britannica Educational Publishing IN ASSOCIATION WITH ROSEN EDUCATIONAL SERVICES LET’S FIND OUT COMPUTER SCIENCE WHAT ARE COMPUTER NETWORKS AND THE INTERNET JENNIFER REED
CONNECTING COMPUTERS A computer is an electronic device for working with information The information can be numbers words pictures movies or sounds Desktops laptops tablets and even smartphones are the main types of computers Computers communicate or talk with other computers through networks A computer network is like a group of people There are different kinds of networks that people use These include family school sports and work networks Each person Students can use computer networks to get homework assignments and talk to their teachers 4
An Ethernet cable connects devices like computers to a local network The cables look like telephone cords within a network shares and communicates information to other people in the network Similarly when a computer shares information with another computer it is part of the same computer network Cables radio waves and satellites can link computers to each other These links are like glue that holds the network together Think About It Think about all the networks you belong to Give examples of ways you communicate with other people in your network 5
