digital data

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  • Created by: jackbt
  • Created on: 14-12-17 11:04
what is data
data consists of raw facts and figures it has no meaning until it is procesed
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what is information
information is data that has been processed in such a way that it is meaningful to the person who receives it
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examples of data
aaaaaaaaaa 324665287 463754638564
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examples of information
21041926 it is a british date it is the biethday of the queen
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what does a information system consist of
hardware and software
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what is smallest unit of computer storage
bit
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units for kilobyte
kb
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units for megabyte
mb
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units for gigabyte
gb
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units for terrabyte
tb
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list 3 data types
numeric date/time character/ string
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what is a pixal
the smallest unit of digital image
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how does the pixal need to be stored
have its only colour code
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how is a pixal stored
as binary numbers
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what does image resolution tell us
the quality of an image
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what is 1500000 in mega pixals
1.5
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Other cards in this set

Card 2

Front

what is information

Back

information is data that has been processed in such a way that it is meaningful to the person who receives it

Card 3

Front

examples of data

Back

Preview of the front of card 3

Card 4

Front

examples of information

Back

Preview of the front of card 4

Card 5

Front

what does a information system consist of

Back

Preview of the front of card 5
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