Cluster computing is like having a lot of friends who can help you do your homework. Imagine you have a big homework project that you need to complete, but it's a lot of work and takes a long time to finish. You might ask your friends to help you out. If you have a LOT of friends, you can divide the work up among them so that everyone can contribute.
Now imagine that you're a computer and you have a task to complete. You could do it all by yourself, but it might take a long time. However, if you have lots of other computers that you can work with, you can divide up the task among them and work together to get it done faster. This is called cluster computing.
Each computer in the cluster is like a friend who can help you with your homework. They all work together to solve the problem. By dividing up the work among the computers, you can complete the task much faster than you could on your own.
For example, let's say you're trying to process a large amount of data. This can take a long time for a single computer to do, but if you have a cluster of computers, you can split up the data and process it simultaneously. This means you can complete the task much faster than you would be able to on your own.
In summary, cluster computing is like having a group of friends who can help you with your homework. Each computer in the cluster works together to complete a task faster than a single computer could on its own.