The full form of CRT is
Carbon Ray Tube.
Copper Ring Tube.
Cathode Ray Tube.
Cathode Ray Transmitter
__________ is a common input and output device.
Mouse
Touch screen
Scanner
Printer
A dot matrix printer is otherwise called
Impact printer
Non-impact printer
Micro printer
Color printer
The light pen is a _________device.
Non volatile
Software
Input
Output
In _________ printer there is no contact between the printer head and paper.
The printed form of output is called
Photostats
Soft copy
Hard copy.
Information
Apple’s _________ was the first laptop to use a touch pad instead of a trackball.
Excel 200
Powerbook 500
I-phone
Attom
This device is used to take pictures and put it into the computer.
Projector
Web camera
Plotter
Which of the following is an output device?
Speaker
All of them
_______is used to print good quality drawings.
Laser printer
Barcode Reader
