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WorksheetsImages & Data Representation
Total questions: 12
Worksheet time: 7mins
In a bitmap graphic each pixel is represented in _______
Denary
Binary
Hexadecimal
By letters
A binary code represents
the colour of each pixel.
the density of pixels in an image.
the information stored in an image to help recreate the image.
the number of bits used for each pixel.
How many bits per pixel do you need to make 4 colours?
colour depth of 1
colour depth of 2
colour depth of 3
colour depth of 4
Bitmap Colour Depth is
the colour of each pixel.
the density of pixels in an image.
information stored in an image to help recreate the image.
the number of bits used for each pixel.
What is the colour depth of the image?
colour depth of 1
colour depth of 2
colour depth of 4
colour depth of 16
What is the file size of a 10x10dpi bitmap and colour depth of 4?
4000 bits
1000 bits
1600 bits
400 bits
Which image has the biggest file size?
10x10 dpi and colour depth of 4
5x5 dpi and colour depth of 8
20x20 dpi and colour depth of 2
100x10 and colour depth of 1
Resolution is
the colour of each pixel.
the density of pixels in an image.
information stored in an image to help recreate the image.
the number of bits used for each pixel.
More resolution means
less image quality
less pixels per inch
more bits per pixel
more pixels per inch
Increasing Colour Depth and Resolution
increases the File size
decreases the File size
increases memory
decreases sound
Metadata is
the colour of each pixel.
the density of pixels in an image.
the information stored in an image to help recreate the image.
the number of bits used for each pixel.
Image metadata holds information about the image such as
name, colour, brand
file format, resolution, colour depth, date
brand, colour, size
content, colour, name
