Representing Images

Representing Images

Assessment

Assessment

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Computers

9th Grade

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12 questions

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1.

MULTIPLE CHOICE

30 sec • 1 pt

Colour depth refers to:

2.

MULTIPLE CHOICE

30 sec • 1 pt

Most graphic formats create many colours from:

3.

MULTIPLE CHOICE

30 sec • 1 pt

The smallest unit of data stored in an image file is called:

4.

MULTIPLE CHOICE

30 sec • 1 pt

How many colours do we get from 2 bits

5.

MULTIPLE CHOICE

30 sec • 1 pt

How many colours do we get from 3 bits?

6.

MULTIPLE CHOICE

30 sec • 1 pt

What is meant by the term 'colour depth'?

7.

MULTIPLE CHOICE

30 sec • 1 pt

The higher the resolution, the ____ the file size.

8.

MULTIPLE CHOICE

30 sec • 1 pt

The higher the colour depth, the _________the image file size.

9.

MULTIPLE CHOICE

30 sec • 1 pt

A bitmap image is 10 pixels high and 8 pixels wide, with a colour depth of 3 bits. How many bytes is this image?

10.

MULTIPLE CHOICE

30 sec • 1 pt

What is the calculation to work out how many bits a bitmap is?

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