What is the primary purpose of error control in data transmission?

What is the primary purpose of error control in data transmission?

Step 1: Understand that data is sent from one place to another, like sending a message.
Step 2: Realize that sometimes, during transmission, the data can get changed or corrupted due to various reasons like noise or interference.
Step 3: Know that error control is a method used to check if the data received is the same as the data sent.
Step 4: Learn that error control helps in detecting errors, which means finding out if something went wrong during transmission.
Step 5: Understand that if an error is found, error control can also help in correcting the data, so it matches what was originally sent.
Step 6: Conclude that the main purpose of error control is to make sure the data is accurate and reliable when it reaches its destination.

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