Question

Which is odd one ?
A. Inkjet Printers
B. CRT
C. Laser Printers
D. Dot Matrix Printers

Answer 1

"Option B: CRT (cathode ray tube)".  

Explanation:    

CRT is an odd one. All the other options are printers.

A cathode-ray tube CRT is the glass video display component of an electronic appliance usually in television or computer monitor. Recycled CRTs are typically scattered so that useful materials can be recovered.

Option A: Inkjet printers use ink to print text, graphics, and images into various types of paper.

Option C: A laser printer uses toners and static electricity to transmit images and text onto printer paper.

Option D: A dot matrix printer prints by the impact of pins hitting up and down on an ink ribbon, like a traditional typewriter.

Answer 2

B. CRT is the correct option.

• CRT(Cathode Ray Tube) is the odd one as the others are Inkjet, Laser, and Dot Matrix Printer.

• Cathode Ray Tube is the glass video display component of TVs and Displays.

• But the others are the printers used to print out the information from the computer.
• They just differ in their size and type printing.