What term is used to describe dual-sided printing?

What term is used to describe dual-sided printing?

• duplex printing
• spooling
• IR printing
• buffering
  

  Answers Explanation & Hints: Some printers have the capability to perform duplex printing, which is printing on both sides of the paper. IR printing is a form of wireless printing using infrared technology. Buffering is the process of using printer memory to store print jobs. Spooling puts print jobs into a print queue.