Britannica Educational Publishing IN ASSOCIATION WITH ROSEN EDUCATIONAL SERVICES LET’S FIND OUT COMPUTER SCIENCE WHAT IS CYBERSECURITY HAQ KAMAR
WHAT ARE COMPUTERS AND COMPUTER NETWORKS A computer stores displays and processes information Computers come in many forms We use desktops laptops tablets or smartphones at home at school and at work Computers help with manufacturing products keeping records communicating and banking Computers can be fun too We use computers to shop to listen to music and to play games A computer network is a collection of computers that are connected to each other They All of these devices are computers They are each used for different reasons and some are more mobile than others 4
The computers in this computer lab have access to the internet and to a local area network communicate with each other electronically The internet is one example of a network Communicating between computers through the internet happens in ways that the user usually controls However using the internet is not always safe It is important to know how to make computers safer Think About It Think about what would happen if you and your family went through a day without using a computer at all What would you do What activities would you have to do differently 5
