COMPUTER FUNDAMENTALS

COMPUTER HARDWARE

INPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Barcode reader
A
Input device
B
Output device
C
Storage device
D
Network device
Explanation: 

Detailed explanation-1: -A barcode reader, also called a price scanner or point-of-sale (POS) scanner, is a hand-held or stationary input device used to capture and read information contained in a barcode.

Detailed explanation-2: -A barcode reader is an automatic input device which is used to scan or ‘read’ the barcode by using a visible red light. The reflected light is translated into digital data that is interpreted by the computer to identify the product and price from the database.

Detailed explanation-3: -There are five main types of barcode readers. These are pen wands, slot scanners, Charge-Couple Device (CCD) scanners, image scanners, and laser scanners.

There is 1 question to complete.