01a- Representing Data Flashcards

1
Q

What is data?

A

Data is raw information that has no context or meaning.

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2
Q

What is information?

A

Data which has been given context and meaning.

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3
Q

What is the differences between information and data?

A

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

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4
Q

Give an example of Data and Information.

A

Data: AZY1, 080312
Information: Code, Date

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5
Q

List the data unit names.

A

bits
nibbles
bytes
kilobytes
megabytes
gigabytes
terabytes

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6
Q

What is Integer?

A

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

e.g. 24, 1, 54

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7
Q

What is Real?

A

A data type. A number with a decimal point.

e.g 1.2, 1.3, 1.5

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8
Q

What is String?

A

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!

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