The process of decoding data in a computer is known as

The question is asking about the process of decoding data in a computer.

Decoding data in a computer means converting encoded or encrypted data back into its original form so that it can be understood or used.

Out of the given options, the correct answer is Option C: decryption. Decryption is the process of decoding data by using a key or algorithm to convert the encrypted data back to its original form. It is commonly used to protect sensitive information and ensure data security.

Option A: dilution is not the correct answer. Dilution refers to the process of reducing the concentration or strength of a substance by adding another substance or solvent.

Option B: default drive is also not the correct answer. A default drive is a setting that determines which disk drive or storage device is used by default when saving or accessing files.

Option D: data security is related to the protection of data from unauthorized access, use, or disclosure. While data security is important, it is not specifically the process of decoding data.

In summary, the correct answer to the question is Option C: decryption, which refers to the process of decoding data in a computer.