WorksheetsData Representation - Images
Total questions: 10
Worksheet time: 4mins
Name
Class
Date
1.
Quality of an image depends on:
a)
Resolution
b)
Metadata
c)
Screen size
d)
Computer's speed
2.
The density of pixels in an image file is known as:
a)
Resolution
b)
Dimensions.
c)
Transparency.
d)
Compression.
3.
Resolution is measured in:
a)
Pixels per mm or per inch
b)
Print size.
c)
Milimeters.
d)
Bytes.
4.
Identify a true statement:
a)
Image files can be compressed by setting pixels with similar colour to the exactly same colour.
b)
Compressing files improves their quality.
c)
Resolution doesn't affect the printed size of an image.
d)
Black and white images have colour depth of two bits.
5.
Colour depth refers to:
a)
How many bits are used in a file to store colour information in every pixel
b)
Resolution divided by the number of colours in an image.
c)
Degree of file compression applied to an image file.
d)
Repeated resampling of an image.
6.
Most graphic formats create many colours from:
a)
Red, green, blue.
b)
Red, pink, yellow.
c)
Red, white, blue.
d)
Black, white, green.
7.
The smallest unit of data stored in an image file is called:
a)
Pixels
b)
Resolution
c)
Alpha
d)
Bitmap.
8.
Alpha-channel present in some images refers to:
a)
Transparency of pixels.
b)
Quality of a file.
c)
The order in which alternative pixels are loaded.
d)
Degree of file compression applied to an image file.
9.
A bitmap file is an example of raster graphics.
a)
True
b)
False
10.
A bitmap file contains virtually unlimited number of colours.
a)
False
b)
True
100 %
