Explanation by: Mr. Dubey
A codec (short for coder-decoder or compressor-decompressor) is a device or software that encodes and decodes digital data, typically for audio, video, or multimedia applications. Explanation: 1. Encoding (Compression): Converts raw data (e.g., video or audio) into a compressed format to save storage and bandwidth. 2. Decoding (Decompression): Converts the compressed data back into its original or a playable form. Examples of Codecs: Audio Codecs: MP3, AAC, FLAC Video Codecs: H.264, H.265 (HEVC), VP9 Thus, the correct answer is (A) Coder-decoder because a codec performs both encoding and decoding functions.
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