Britannica Educational Publishing IN ASSOCIATION WITH ROSEN EDUCATIONAL SERVICES LET’S FIND OUT COMPUTER SCIENCE WHAT ARE COMPUTERS SARAH MACHAJEWSKI
WHAT IS A COMPUTER Playing a game online Watching a movie on a tablet Finding a book at the library On a daily basis you probably use computers more often than you think Computers are everywhere and they’re a major part of our lives Computers are in our homes in our classrooms and in almost any store you can think of If you have a smartphone you can even say you have a computer in your pocket It is hard to imagine a world without computers But no 4 All of the devices pictured here are kinds of computers Some are more mobile than others
A college math teacher performs a computation on the chalkboard one really used what we think of as computers until about 60 years ago Before that computers were people who made computations by hand Today computers do a lot of tasks including calculations for us Let’s find out more about computers Think About It What are some examples of tasks that computers do for us now that we used to do manually 5
