Question

Which of the following is a digital code inserted into a digital image, audio or video file, which can identify the file’s copyright information?

• A. Image mark
• B. Digital mark
• C. Code mark
• D. Watermark

Hint:

A {digital watermark} is used to embed ownership information inside digital media such as images, audio, or video files.

Answer 1

The Correct Option is D

Step 1: Understanding copyright protection in digital media.
Digital files such as images, videos, and audio recordings can easily be copied and shared on the internet. Because of this, it is important to protect the ownership rights of the creator or copyright holder.
Step 2: Meaning of Digital Watermarking.
A digital watermark is a hidden or visible code embedded into a digital file. This watermark contains information about the creator, copyright owner, or source of the content.
Digital watermarks help identify the ownership of the file and discourage unauthorized copying or distribution. They are widely used in photography, music, movies, and digital documents.
Step 3: Evaluation of the options.
(A) Image mark: Incorrect. This is not a recognized technical term for copyright identification.
(B) Digital mark: Incorrect. This is not a standard term in copyright protection.
(C) Code mark: Incorrect. This is not used to identify digital ownership.
(D) Watermark: Correct. A digital watermark is inserted into multimedia files to identify copyright information.
Step 4: Conclusion.
Therefore, the digital code used to identify copyright information in multimedia files is called a Watermark.
Final Answer: Watermark