What is a companion device?

What is the Difference between hardware and networking? What is r.i.s.k in computing? What if employee does not complete a G4 form? Where is the best place to buy bulk inkjet transfer paper? What are the disadvantages of sextant? What class mouse? What toners are used to produce a color print? What are hoax emails? I have a latop and a samsung tv that can be a PC monitor or a tv and my laptop doesn't have a slot witch is used to put a blue lead in to connect it to the monitor. Is there somthing that i can do? How do you show Division on a number line? How were computers used in 1960s? What are the applications of zinc65? Why does my computer send gray scale to all printers? What are some of the responsibilities of the kernel during the startup process (Choose all that apply.)? My pet rat isn't eating what do I do? What is control panel on ship? What happens if two devices have the same scsi id assigned? Where can one find the instructions on how to make HDMI wireless work? What are most computer related mistakes caused by? How do you replace cintiq pen nibs?