Questions
on Lasers in Printers and Computers
- How does a TV remote work? Why don't you
have to point it directly at the TV?
- Describe how a page is xeroxed?
- What are the different steps in laser printing
a page versus xeroxing a page?
- Why does the toner only stick to the drum where
light had shone?
- What are some of the advantages of a CD over a
magnetic tape? over a 33 rpm record?
- Why can't the pits that are written onto a CD
be made smaller in order to store more information on the same disk?
- Most CD writers (burners) today are
non-erasable. Why is the name burner appropriate?
- Describe the production process to make a
CD? How much do you think the CD actually costs to manufacture?
- Why is the read-out of a CD so insensitive to
dust and scratches?
- What techniques are used to make rewrite-able
CDs?
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