1904114
Beschreibung
Mindmap von Reasons&Things, aktualisiert more than 1 year ago
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Erstellt von Reasons&Things
vor mehr als 9 Jahre
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Unit 2: Data Representation
- images
- vector
- images drawn to a formula
- rescaleing doesn't
damage image quality
- images drawn to a formula
- bitmap
- arranged as a grid
- resolution shows the number of pixels
- image stored as a series of
values per pixel
- arranged as a grid
- vector
- sound
- digital
- sampling
- Amount of times the frequency of the sound waves are
measured
- ranges from 44KHZ to 320KHZ
- ranges from 44KHZ to 320KHZ
- Amount of times the frequency of the sound waves are
measured
- how the computers read sound
- sampling
- analogue
- digital
- units
- goes up in mostly
multiples of 1024
- bits-bytes-kilobytes-megabytes-gigabytes-terabytes
- goes up in mostly
multiples of 1024
- Numbers
- denary
- base 10, what we use
- base 10, what we use
- hexadecimal
- base 16
- base 16
- binary
- base 2
- how computers read instruction +
data
- base 2
- denary
- characters
- Unicode
- 16 bit character set
- more space needed
- 16 bit character set
- ASCII
- 7 bit character set
- American Standard Code for Information
Interchange
- 7 bit character set
- Unicode
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