Differences Between Impact and Non-impact Printers
| Impact printers | Non-impact printers |
|---|---|
| Produces character and graphics on a piece of paper by striking it is called impact printing. | A type of printer that produces character and graphics on a piece of paper without striking |
| It prints by hammering a set of metal pins. | Printing is done by depositing ink in array form. |
| Here Electromagnetic devices are used. | No electromagnetic device is used. |
| Faster speeds around 250 words per second. | Slower speed by around 1 page per 30 seconds |
| Example: dot-matrix printer, line printer | Example – Inkjet printer, laser printer |
Hard-Copy Devices in Computer Graphics
A hard copy is a printed copy of information from a computer. Sometimes it refers to a printer, so it is called a hard copy because it exists as a physical object. A hard copy is a tangible output that is usually printed. The principal examples are printouts, whether text on graphics, form printers, and also films including microfilms and microfiche is also considered as hardcopy output.
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