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WorksheetsDigital Images
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
What is a pixel?
a)
Picture element - the small dots that make up an image.
b)
How an image is stored on the computer.
c)
A type of image
d)
A special type of photograph
2.
Images are stored using a grid of ______.
a)
Pixels
b)
Dots
c)
Bits
3.
Bitmaps use what?
a)
boxes
b)
pixels
c)
paths
d)
crayons
4.
Bitmap or 'raster' graphics are made up of _______
a)
Shapes and lines
b)
Pixels
5.
Bitmap or Vector?
a)
Bitmap
b)
Vector
6.
Bitmap or Vector?
a)
Bitmap
b)
Vector
7.
Bitmap or Vector?
a)
Bitmap
b)
Vector
8.
Which image type is best used for detailed and realistic images?
a)
Bitmap
b)
Vector
9.
Which image type becomes blurred when you zoom in?
a)
Bitmap
b)
Vector
10.
The resolution of an image refers to the quality of the image.
a)
TRUE
b)
FALSE
11.
Photographs taken with our mobile phones and digital cameras are
a)
bitmap images.
b)
vector images.
12.
The smallest unit of data stored in an image file is called:
a)
Pixels
b)
Resolution
c)
Alpha
d)
Bitmap.
13.
A pixel is the _______ part of an image.
a)
Smallest
b)
Largest
14.
Which image types file size does not change significantly when you make it larger?
a)
Bitmap
b)
Vector
15.
Which image type is often a very large file size?
a)
Bitmap
b)
Vector
16.
What does this symbol mean?
a)
chat
b)
cancer
c)
copyright
d)
circle c
17.
What is copyright law?
a)
Law protecting citizens right to copy.
b)
Law protecting authors, artists, and composers from being kidnapped.
c)
Law protecting original works of authors, artists, and composers from being used without permission.
d)
Law protecting the rights of copycats.
18.
What is meant by Colour Depth?
a)
Number of pixels in the image
b)
The number of colours available for each pixel
c)
How pixelated the image is
19.
How many bits are in a True Colour image?
a)
1 bit
b)
24 bits
c)
8 bits
d)
16 bits
20.
What is Bit Depth?
a)
The number of pixels used in an image
b)
The number of ‘bits’ needed to store colour
information for a pixel
information for a pixel
c)
The size of the pixels used in an image
d)
The number of colours used in an image
21.
Refers to the mathematical algorithm used when an image is saved to reduce file size
a)
Compression
b)
Portability
c)
Transparency
d)
Color depth
22.
No data is lost during compression
a)
Lossless
b)
Lossy
23.
1.Standard format on web for animation
2.Supports transparency
3.Uses lossless compression
4.Supports 256 colors
2.Supports transparency
3.Uses lossless compression
4.Supports 256 colors
a)
PSD
b)
JPEG
c)
GIF
d)
PNG
24.
What is the abbreviation for Graphic Interchange Format?
a)
.tif
b)
.jpg
c)
.bmp
d)
.gif
25.
What does the abbreviation .png stand for?
a)
portable network graphics
b)
publisher document
c)
raw raster image data
d)
digital negative format
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