difference between information and data
Data is meaningless, raw facts and figures that have no context or meaning. information is when data is processed it is given meaning>
what is a bit?
smallest unit of storage.
Bit= binary digit
either 1 or 0
What is a nibble?
group of 4 bits
what is a byte?
8 bits
what is a kilobyte
1024 bytes
what is a megabyte
1024 kilobytes
what is a gigabyte
1024 megabytes
what is a terabyte
1024 gigabytes
what is an integer
A whole number either positive or negative
what is a real numberic data type?
Number that contains a decimal point
what is a character
a letter, number and symbol.
one byte
= A’, 5’, &’
what is a string
allows letters, numbers, punctuation marks and symbols
=”katie”, “Mary black”
(text/alphanumeric)
what is date/time
allows a date or a time to be stored
