Britannica Educational Publishing IN ASSOCIATION WITH ROSEN EDUCATIONAL SERVICES LET’S FIND OUT COMPUTER SCIENCE WHAT TASKS CAN COMPUTERS PERFORM BOBI MARTIN
COMPUTERS ARE AMAZING A computer is a device that works with and displays information The information can be words pictures movies or sounds Computer information is called data Computers process data very quickly Because they work quickly they can finish tasks faster than people can They make fewer errors too Laptops tablets and cell phones are all computers People use them for different purposes Computers come in many forms and can perform many tasks Supercomputers are very powerful They do complex tasks like tracking 4
These servers are housed together in a large room called a server room They have to be kept cool so they won’t overheat Think About It Computers help people do things faster and easier How would people’s lives be different without computers the weather Servers are powerful computers that just store information Desktop personal computers or PCs are used in offices at school and at home People use these computers to send email write reports shop do their banking listen to music and play games Laptops and tablet computers do the same things as PCs but they are smaller and easier to carry No matter what size they are computers are amazing 5
