logical or boolean
Data stored in Boolean form can only be one of two available values. It is like- yes or no, on or off, true or false.
alphanumeric
This is a combination of letters, numbers and symbols.
This is also known as a string of text.
£4987 is expensive
DL61 ABC
@*!#
Alphanumeric is also used to hold telephone numbers.
In a computer, telephone numbers are stored as text
this is because the telephone number contains a leading zero and spaces
This is also known as a string of text.
£4987 is expensive
DL61 ABC
@*!#
Alphanumeric is also used to hold telephone numbers.
In a computer, telephone numbers are stored as text
this is because the telephone number contains a leading zero and spaces