HP Exam Questions

What is the hardest working part of an HP Inkjet printer?

What is the hardest working part of an HP Inkjet printer?

A.
Paper output tray

B.
Ink

C.
Print head

D.
Media

Explanation:
Reference: http://www.techradar.com/news/computing/how-an-inkjet-nozzle-fires-36-000-times-asecond-653500 (5th para)