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Compare the relative advantages and disadvantages of bitmap and vector image types.

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  • Essay length: 646 words
  • Submitted: 06/05/2012
  • Reviewed by: (?) paradoxsocks
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AS and A Level Computer Science

Peer review rating

3 star(s)

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The first 200 words of this essay...

Compare the relative advantages and disadvantages of bitmap and vector image types.

Graphics are drawn using either bit-mapped programs such as Paint or vector programs such as Autosketch, both of which have their advantages and disadvantages.

A bitmap is an image which is made up of tiny squares of colour. They produce good quality image where shading and fine detail are needed such as in photographs.

The amount of detail that can be seen in a picture depends on the resolution of the image; how many times per inch these squares or pixels occur. 300 times per inch is what is needed for good quality reproduction on a commercial printing press, and 72 pixels per inch for monitor display.

The main advantage of a bitmap is that it can be accessed sooner through the internet when you have the proper size. The accuracy is very high when displaying image information including the shadings and the other complex and smooth places. Another advantage is that it can be used as a universal format. Most of the Bitmap graphics are not proprietary.

One of the disadvantages associated with a bitmap image is that it does not

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Review of essay

Reviewed by: paradoxsocks

Rating: 3 star(s)

Response to the question

This short essay covers the question asked but doesn't quite provide a strong enough comparison of the two image formats. It does include the advantages and disadvantages of each but the student could have taken this further by providing a side by side comparison instead of simply stating facts.

Level of analysis

This is quite a low detail analysis - it brushes the surface of the differences without showing detail or understanding beyond the basic facts or making an major comparisons between the two image types.

Quality of writing

The writing is okay but there is quite a large amount of repetition in sentence structure and this detracts from the content of this short essay.

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