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What is Data?
· Data consists of raw facts and figures
· CONDONE Raw facts or raw figures but do not
accept has no meaning.
Example of Data:
· 120/60, 135/65, 140/70…read more

Slide 3

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What is Information?
· Information is data which has been processed
by the computer (given context or meaning).
Example of Information:
· 120/60, 135/65, 140/70- These are blood
pressure readings.…read more

Slide 4

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What is Knowledge?
· Knowledge is derived from information by
applying rules to it.
Example of Information:
· 120/60, 135/65, 140/70- These are blood
pressure readings- The patients results are
becoming worse.…read more

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EXAM TIPS
Data is not a single value
It is important that you can distinguish
between data and information. There are
examples of processing below:
o Performing Calculations
o Making Decisions
o Sorting Data
o Grouping…read more

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Encoding Data- Why?
· Fewer transcription errors / greater data
consistency / easier to validate
· Less hard disk space required / takes up less
room on the hard drive / less memory needed
· Processing is faster (because less RAM
required) / faster to search (pattern matching)
· CONDONE More data can appear on the
screen…read more

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