OCR GCSE Computer Science
Terms in this set (20)
Term that stands for picture element, a single point on a computer monitor screen
An extension given to files in bitmap form.
Most common graphic file format, full color graphic format (16.7 million colors), relatively small file size.
Used to describe the maximum number of colours that are used in the image.
A term for the clarity of text and graphics as they appear on a monitor screen or printed on paper.
The number of dots or pixels on the monitor screen expressed as two numbers such as 1680 X 1050.
How many colours can be stored using 24 bits?
4 Colour Combinations
How many colours would be available using a colour depth of 2 bits?
8 Colour Combinations
How many colours can be stored using a colour depth of 3 bits?
256 Colour Combinations
How many colours can be stored using a colour depth of 8 bits?
An colour image has a 24 bit colour depth. Its dimensions are 1024x768.
How much storage space will be taken up with the data for the image?
What colour does FFFFFF represent in hexadecimal?
What colour does 000000 represent in hexadecimal?
What colour does 0000FF represent in hexadecimal?
What colour does 00FF00 represent in hexadecimal?
What colour does FF0000 represent in hexadecimal?
What colour does 550000 represent in hexadecimal?
What colour does 00BB00 represent in hexadecimal?
Dots per Inch
What does DPI stand for?
A digital camera takes images with 4928 width x 3262 height. How
many millions of pixels (megapixels) does the sensor have?
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