Page 11 - NR Book 3 - Chapter 1

TechnoSchool Computer Fundamentals
Scanner

You can scan picture or text and put them inside the computer. So it is an input device.

I am an
input device

Types of Scanner

3D Scanner Handheld document Scanner Barcode Scanner

Mind Click: Charles Babbage is the Father of Computers

Light Pen

Using a light pen, you can directly point, select and draw on the computer screen. So it is
an input device.
I am an
input device

Types of Light Pen

Wired Light pen Laser Light pen

New
Regular Series Book 3
11