In computer science, data refers to raw, unprocessed facts and figures — numbers, text, images, audio, or video — that have no meaning on their own until they are processed by a computer to become information.
Definition: Raw, unprocessed facts and figures.
Smallest Unit: Bit (0 or 1).
Data → Processing → Information.
Types: Numeric, Text, Image, Audio, Video, Boolean.
| Aspect | Data | Information |
|---|---|---|
| Definition | Raw, unprocessed facts | Processed, meaningful data |
| Example | 45, 62, 78, 55 | Average score = 60 |
| Useful Alone? | No | Yes |
The raw marks '45, 62, 78' are data. When a computer calculates the average (60), that becomes information — it has meaning.
Data in computers refers to raw, unprocessed facts (numbers, text, images) that are input into a computer for processing to produce meaningful information.
The bit (binary digit — either 0 or 1) is the smallest unit of data in a computer.
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