COMPUTER FUNDAMENTALS

COMPUTER ARCHITECTURE

INPUTOUTPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
You can use this to input printed documents to a computer?
A
Trackerball
B
Scanner
C
Keyboard
D
Mouse
Explanation: 

Detailed explanation-1: -Scanner is an input device, which works more like a photocopy machine. It is used when some information is available on paper and it is to be transferred to the hard disk of the computer for further manipulation.

Detailed explanation-2: -scanner, also called optical scanner, computer input device that uses a light beam to scan codes, text, or graphic images directly into a computer or computer system.

Detailed explanation-3: -Optical Character Reader (OCR) OCR is an input device used to read a printed text. OCR scans the text optically, character by character, converts them into a machine readable code, and stores the text on the system memory.

There is 1 question to complete.