What type of imaging input device would be most useful for a Point-of-Sale (POS) system?
A. CMOS scanner
B. RFID scanner
C. Fingerprint scanner
D. Barcode scanner
Answer: D. Barcode scanner
Computer Science & Information Technology
A. CMOS scanner
B. RFID scanner
C. Fingerprint scanner
D. Barcode scanner
Answer: D. Barcode scanner