FUNDAMENTALS OF COMPUTER

COMPUTER HARDWARE COMPONENTS FUNCTIONS

COMPUTER OUTPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which device converts a hard copy document into a digital copy?
A
A 2D scanner
B
A printer
C
An interactive whiteboard
D
None of the above
Explanation: 

Detailed explanation-1: -An image scanner-often abbreviated to just scanner-is a device that optically scans images, printed text, handwriting or an object and converts it to a digital image.

Detailed explanation-2: -Scanning is the process of creating a digital image of a printed page. This is performed using a device called a scanner, which is attached to a computer. The digital image of the page is saved on the computer. Some scanners can also be attached to a mobile phone through a cable, Bluetooth, or over Wi-Fi.

Detailed explanation-3: -The correct answer is Scanner. Scanner devices are used to convert hardcopy into softcopy.

Detailed explanation-4: -The document scanner moves either the physical document or the scanning head, depending on the type of scanner. Then, the scanner processes the scanned image and produces a digital image that can be stored on a computer.

Detailed explanation-5: -The scanner is a device that accepts data and information from outside the world in the form of hard copy and converts this hard copy into soft copy. Therefore we can conclude that scanner is an input device.

There is 1 question to complete.