KS3 ICT: Pixels and Networks
Authored by Kerri Dallat
Computers
9th - 10th Grade
Used 43+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A pixel is defined as...
A tiny triangle of colour, that when combined with other pixels forms a digital image.
A tiny square of colour, that when combined with other pixels forms a digital image.
A mathematical line, that when combined with other lines forms a digital image.
A tiny rectangle of colour, that when combined with other pixels forms a digital image.
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
True or False?
The word "pixel" is short for "picture element".
True
False
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
How many colours are there in a single pixel?
One
Two
Three
Four
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Select the colour which is NOT contained within a pixel.
Red
Blue
Yellow
Green
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Select the correct answer.
Image quality is affected by what?
Resolution
Image Colour
Pixel shape
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Image resolution is the number of pixels in a specific area of an image. It is expressed as (dpi). What does dpi stand for?
Data per inch
Disks per inch
Dots position images
Dots per inch
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
How many colour variations can each pixel generate?
16,000
1,600
16,000,000
160,000
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