We use computers to write letters and communicate because letters look more professional when typed out, and by communicating online via email, it prevents the use of more paper.
Printers and Photocopiers:
These are used because not all things can be done electronically, for example if a letter needed sending to lots of people, a hardcopy could be photocopied lots of times. Or if you have the letter template already on your computer, you can print lots of copies.
2.1 Explain the purpose of following manufacturer’s instructions when using equipment:
Manufacturer’s instructions are usually in place to not only protect the equipment from being damaged, but to also stop you getting injured using the equipment. Instructions are there to make sure you know how to use the equipment properly and how to use it without faults.