01a- Representing Data Flashcards
What is data?
Data is raw information that has no context or meaning.
What is information?
Data which has been given context and meaning.
What is the differences between information and data?
Data is raw information without context, information is data with context.
Give an example of Data and Information.
Data: AZY1, 080312
Information: Code, Date
List the data unit names.
bits
nibbles
bytes
kilobytes
megabytes
gigabytes
terabytes
What is Integer?
A data type. It is a whole number that’s either negative or positive.
e.g. 24, 1, 54
What is Real?
A data type. A number with a decimal point.
e.g 1.2, 1.3, 1.5
What is String?
A data type. A string allows letters, numbers, punctuation marks and symbols to be entered. It is a sequence of characters.
e.g. Name: Mary1!