Zusammenfassung der Ressource
Barcodes
- Stores specific data (products code, manufacturers and price details).
- Computers are very good at processing data
- Barcodes are read by a laser which is in a barcode reader.
- Cheaper to operate.
- Disadvantages; Need bar code scanners to read
- Can get damaged.
- Has to be manually scanned all the time
- Its a very fast way of entering numerical data
- Or data into a computer