Low Level Processing - Graphics Flashcards

1
Q

How many bits are required to store 1 pixel of a black and white bit mapped graphic?

A

1

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2
Q

What is each black and white bit mapped graphic made up of?

A

A grid of pixels

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3
Q

What happens when you ‘blow up’ a bit mapped graphic?

A

It will look blocky/pixelated

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4
Q

What is an advantage of using a bit mapped graphic? What is a disadvantage?

A
  • An advantage is that you can edit the fine detail by zooming in at pixel level
  • A disadvantage is that bit-mapped graphics take up a lot of storage as it requires millions of pixels and colour codes
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5
Q

What are vector graphics made up of?

A

A number of shapes layered on top of another and these shapes are made up of a list of attributes

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6
Q

What happens when you ‘blow up’ a vector graphic?

A

The edges of each shape stay smooth and clean

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7
Q

What would a vector graphic be suitable to be used for?

A

From logos on small business cards to billboard signs as they don’t become blocky when they are scaled

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8
Q

What is an advantage of using a vector graphic? What is a disadvantage?

A
  • An advantage is that the file size is small as it’s only saving the objects and their attributes
  • A disadvantage is that you cant zoom into fine detail at pixel level
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