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REPRESENTING DATA

DATA AND INFORMATION

DATA

meaningless raw unorganised facts figures without context or meaning until processed

INFORMATION

data that has been processed and presented in a meaningful way therefore making useful

units of storage

bit=0 or 1

nibble=4 bits

byte=8 bits

kilobyte=1024 bytes

megabyte=1024 kilobytes

gigabyte=1024 megabytes

terabyte=1024 gigabytes

DATA TYPES

integer - stores positive or negative whole numbers

real - stores positive or negative decimal numbers

date/time -

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