Digital Equipment Corporation (DEC) was a company that made computers and other electronic devices. Think of it like a big factory where smart people built really cool machines that could do lots of things like play games or help people work better.
Back in the old days, people used big, bulky computers that were hard to use and not very fast. But Digital Equipment Corporation made computers that were small, fast, and easy to use. It was like they made computers that were like new and improved toys that could help people do work at the same time.
DEC was really good at making computers that could talk to each other and share information. This was important because it helped people get things done faster and more efficiently. Think of it like you and your friends playing together and sharing toys. You can do more things and have more fun together when you share.
Many big businesses and organizations used DEC's computers to do important work like accounting or controlling airplanes. This made DEC very successful and lots of people liked and trusted their products.
Eventually, other companies began to make better and faster computers and DEC started to have some problems. They tried to change and make new things, but it was too late and they eventually went out of business.
But even though they are no longer around today, Digital Equipment Corporation will always be remembered as a company that helped make computers faster, easier to use, and able to help people do more things.