<ul>
<li>Teacher to introduce students to how graphics are represented, stored and displayed on computers.</li>
<li>Most graphics programs store graphics as raster images. <br />
<ul>
<li>What is a raster?</li>
<li>When are rasters good?</li>
<li>Example raster formats? What are their strengths and weaknesses.</li>
</ul>
</li>
<li>Some programs store graphics as vector images
<ul>
<li>What is a vector?</li>
<li>When are vectors good?</li>
<li>Example vector formats?</li>
</ul>
</li>
<li>The Acorn file format (.acorn) uses raster for most elements, but some things (like text) are stored as vectors.</li>
<li>Students should use the .acorn format whilst working on the box.</li>
</ul>