COMPUTER FUNDAMENTALS

COMPUTER HARDWARE

INPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This device scans a pattern of dark and light lines with a laser. The reflected pattern is converted into a number and typically used to identify a product in a database.
A
Barcode scanner
B
Biometric device
C
joystick
D
Magnetic ink creator recognition (MICR)
E
laser pointer
Explanation: 

Detailed explanation-1: -Keyboard. A keyboard is a human interface device which is represented as a layout of buttons. Each button, or key, can be used to either input an alphanumeric character to a computer, or to call upon a particular function of the computer. It acts as the main text entry interface for most users.

Detailed explanation-2: -Digitizer is a computer input device that has a flat surface and usually comes with a stylus. It enables the user to draw images and graphics using the stylus as we draw on paper with a pencil. The images or graphics drawn on the digitizer appear on the computer monitor or display screen.

There is 1 question to complete.