Code At Work

December 28, 2018
ERNESTO R. AGEITOS—GETTY IMAGES

Computers are all around us. We use them to play and to learn. Some make chores easier. Others help keep people safe. All computers work because of coding. Where do you see coding at work in the world around you?

Is there a SMARTBOARD in your classroom? It is a type of computer. Code tells smartboards how to work. Smartboards help children learn. They are interactive. That means they respond to a person’s touch.

SUZANNE KREITER—THE BOSTON GLOBE/GETTY IMAGES

People use code to design COMPUTER GAMES. Coders create characters and fantasy worlds for the games. Players can drive a car, play sports, and more. With coding, the possibilities are endless.

PAUL BRADBURY—CAIAIMAGE/GETTY IMAGES

Green means “go.” Red means “stop.” Code tells TRAFFIC LIGHTS when to change colors. Some of them can sense when a car pulls up. Others work on a timer. All traffic lights help keep people safe. We can thank coding for that.

KATARZYNA WILINSKA—EYEEM/GETTY IMAGES

WASHING MACHINES clean our clothes for us. They make our lives easier. Code tells the machine how hot to make the water or how long to run. A washing machine can be programmed to follow different cycles.

VESI_127—GETTY IMAGES