digital data

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…