LWL - AO2 Vectors vs Bitmaps

Follow the link below and read through the 4 pages on Bitmaps Vs Vectors:

http://www.bbc.co.uk/schools/gcsebitesize/dida/graphics/bitmapvectorrev1.shtml

Then cut and paste the following questions to your blog and highlight your answers. Illustrate each answer where appropriate for extra credit.

1.

What is a bitmapped image?

An image composed of many tiny pixels, in which each individual pixel can be edited.

An image or graphic taken from the internet.

An image that can be scaled up or down with no loss of quality.

2.

What is a vector image?

An image composed of individual pixels.

An image or graphic taken from the internet.

An image composed of individual objects.

3.

What is an advantage of a bitmapped image?

Images can be scaled up or down with no loss of quality.

Individual pixels can be changed, which makes very detailed editing possible.

They have a small file size.

4.

What is an advantage of a vector image?

Individual pixels can be changed which makes very detailed editing possible.

Images can be scaled up or down with no loss of quality.

They look real.

5.

What is a disadvantage of a bitmapped image?

They don't look as realistic as vector graphics.

They are not as colourful.

They have a large file size because information has to be stored about every pixel.

6.

What is a disadvantage of a vector image?

They don't look as realistic as bitmap graphics.

They cannot be resized.

They have a large file size because information has to be stored about every pixel.

7.

Identify the common file formats for bitmapped images:

.html, .htm

.svg, .eps, .xml

.bmp, .jpg, .gif

8.

Identify the common file formats for vector images:

.html, .htm

.svg, .eps, .xml

.bmp, .jpg, .gif

9.

Which one of these would you use to create vector graphics?

Photoshop

Audacity

Illustrator