COMPUTER FUNDAMENTALS

COMPUTER ARCHITECTURE

INPUTOUTPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which device can project an image on the screen, and allow it to be annotated, changed and eventually saved?
A
An interactive whiteboard
B
A touchscreen
C
A projector
D
None of the above
Explanation: 

Detailed explanation-1: -The interactive whiteboard functions as an input device for your computer, enabling you to work in any application on the connected computer. You need two additional components to use the interactive whiteboard: a computer and a digital projector.

Detailed explanation-2: -What is an Interactive Whiteboard? An interactive whiteboard, sometimes called an interactive smart whiteboard or electronic whiteboard, is an educational technology tool that allows teachers to display their computer screen or mobile device’s screen onto a whiteboard mounted to a wall or mobile cart.

Detailed explanation-3: -Infrared scan (IR touch) whiteboard. Resistive touch-based interactive whiteboard. Electromagnetic pen-based interactive whiteboard. Portable ultrasonic, IR pen-based interactive whiteboard. Wiimote / IR-based interactive whiteboard. Virtual whiteboard via an interactive projector.

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