Television
Cell-Phones
Digital
Video
Internet
Computers
Game Consoles
Interactive Media
What number system is digital data based on? What two digits are used to code all digital data?
Binary code- numbers 0 and 1
What is a bit? What is a byte?
Bit-A basis unit in computing
Byte-a unit of digital information in computing and telecommunications
Sampling Rate-defines the number of samples per second taken from a continuous signal to make a discrete signal
Colour Depth(bit-depth)-is the number of bits used to represent the colour of a single pixel in a bitmapped image or video frame buffer. The amount of ‘bits’ there are effects the appearance of a photo in terms or ‘number of colours’
Top Left-1 bit(2 colours)
Top Right-2 bits(4 colours)
Bottom Left-4 bits(16colours)
Bottom Right-8 bits(256 colours)
Bottom Centre-16 bits(16,777,216 colours)/"truecolour"
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