File __link__ Direct

The Unsung Heroes of the Digital World: Understanding Files

• .jpg / .mp3 / .mp4: "Lossy" compressed files. They permanently discard "less important" data (colors, frequencies) to save space. Every time you save a JPEG, you lose quality.
• .png / .flac / .zip: "Lossless" compressed files. They reorganize data to save space without discarding anything. You can restore the original perfectly.
• .raw / .bmp: Uncompressed files. Massive in size, but contain every single bit of original data. Professional photographers shoot in RAW for maximum editing flexibility.

Understanding files means understanding three things:

The crisis came in June. Aris was on a deadline. The file was massive now—780 KB. It contained charts, scanned images of pottery shards, and a bibliography with over 200 entries. One afternoon, she opened the file, and the screen froze. The spinning beach ball of death appeared. The file panicked in its own silent way—its structure was intact, but the program trying to read it had lost its mind. The Unsung Heroes of the Digital World: Understanding Files

What a file really is (and why that matters)

Modification

: Updated or edited, often resulting in a change to the "Modified" metadata timestamp. scanned images of pottery shards