Which of the following devices are used for recognising the characters in the supermarkets?
A. OCR device B. OMR device C. MICR device D. Bar code reader
Which device is used for reading the characters written on the cheques?
A. Hand-held scanner B. Light pen C. MICR device D. OCR device
Which of the following devices help in viewing a video clip just after it has been recorded?
A. Joystick B. Webcam C. Digital camera D. All of the above