01a- Representing Data

Question 1

What is data?

Answer 1

Data is raw information that has no context or meaning.

Question 2

What is information?

Answer 2

Data which has been given context and meaning.

Question 3

What is the differences between information and data?

Answer 3

Data is raw information without context, information is data with context.

Question 4

Give an example of Data and Information.

Answer 4

Data: AZY1, 080312
Information: Code, Date

Question 5

List the data unit names.

Answer 5

bits
nibbles
bytes
kilobytes
megabytes
gigabytes
terabytes

Question 6

What is Integer?

Answer 6

A data type. It is a whole number that’s either negative or positive.

e.g. 24, 1, 54

Question 7

What is Real?

Answer 7

A data type. A number with a decimal point.

e.g 1.2, 1.3, 1.5

Question 8

What is String?

Answer 8

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!