Unit 4- Data Types and Structures

What is a string?
Alot of keys pressed. Eg fkjhdjh.
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What is used to store a number without a fraction or a decimal?
An integer.
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What is the pseudocode for a string?
stringname.length
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What is concatenation?
Concatenation joins strings together.
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What is casting?
Casting ensures that things are saved as they should be. Eg String= str
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How to cast: Integer, float or string?
Integer= int Float= float String= str
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What is a static array?
When we set the size to begin with. Eg, Football team is 7 players + 2 reserves= 9 so nine names are stored in the array.
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What is a dynamic array?
When the size is not defined and can be changed as data is added. Eg, number of people attending a science club.
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Example of a one dimensional array
The alphabet- ALWAYS 26 letters. Each item is indexed, starting at ZERO.
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Example of a multi dimensional array
Student test results: needs the index, pupil and score.
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Other cards in this set

Card 2

Front

What is used to store a number without a fraction or a decimal?

Back

An integer.

Card 3

Front

What is the pseudocode for a string?

Back

Preview of the front of card 3

Card 4

Front

What is concatenation?

Back

Preview of the front of card 4

Card 5

Front

What is casting?

Back

Preview of the front of card 5
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