NEW
Font size
S
M
L
XL
WorksheetsY12 Data Rep Images
Total questions: 11
Worksheet time: 7mins
Name
Class
Date
1.
A bitmap image is made up of
a)
Pixels
b)
Colours
c)
Sounds
d)
Samples
e)
Characters
2.
Increasing the colour depth means…
a)
A bigger range of colours can be used for each pixel
b)
More pixels are in the image.
c)
More colours are in the image.
d)
Darker colours
3.
How many colours can be used for each pixel if the colour depth is 4 bit?
a)
4 colours
b)
5 colours
c)
15 colours
d)
16 colours
4.
How many colours can be used for each pixel if the colour depth is 8 bit?
a)
8 colours
b)
9 colours
c)
255 colours
d)
256 colours
5.
Which is NOT an example of metadata for an image file?
a)
Resolution
b)
Colour depth
c)
Camera used
d)
Sample rate
6.
Images can contain a geographical location of where the picture was taken. This is stored in a special area of an image file called:
a)
Metadata
b)
File name.
c)
Compression area.
d)
Alpha-channel.
7.
The following is true about metadata:
a)
It is data about data.
b)
It is corrupted data.
c)
It significantly increases file sizes.
8.
Metadata doesn't contain the following:
a)
File name.
b)
Print dimensions.
c)
Colour depth.
d)
Camera settings for when the picture was taken.
9.
The following is often stored in metadata:
a)
All of these.
b)
Colour depth
c)
Height and Width of an image
d)
Compression algorithm applied.
10.
If image metadata is corrupted,
a)
The resulting picture is not displayed properly.
b)
It is easily fixed.
c)
Will not affect printing and displaying of the file.
11.
Metadata is used in the following files:
a)
All of these.
b)
Images
c)
MP3 files
d)
Webpages
Reset
