OCR Computing - F452 Programming Keywords

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  • Created by: Denise24
  • Created on: 09-03-14 14:10
Variable
A named memory location which can store a value which can be changed depending on the conditions
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Constant
An identifier whose value can't be changed
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Identifier
A unique name used for any variable, function, data definition, etc.
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Keyword
Words that are already used in programming language for a specific purpose
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Selection
A control structure in which an option of statements is provided
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Iteration
When a process or sequence in a program is repeated. (Loops)
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Function
A named section of a program that can be ran, which has parameters and a return value.
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Procedure
A set of instructions that performs a specific task for a main routine, requiring direction back to the main routine. Has no return value.
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Sub-routine
A section of a program which has no parameters and no return values
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Top Down Design
The process of splitting a large problem into a more easily manageable sections to be solved easily
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Comments
A section of text that is not in code but explains what that section of code does
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Indentation
A tab/ space at the start of a line after a function, loop/ if statement to show what is included in that section of code
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Integer
Any whole number
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Modulus (MOD)
Finds the remainder of a division of 2 numbers
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Real/ Floats
Any decimal numbers
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Increment
Is changing a value every time a loop runs
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Integer Division (DIV)
The operator that divides one integer value by another integer value
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Boolean
A data type that only has 2 values, either true/false
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String
A data type consisting of a collection of characters
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Array
A collection of data of the same type, that can be indexed. A number of data stored in a single variable. Arrays can be used with loops/iterations
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Multi-dimensional Arrays
An array that stores other arrays
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Assignment
Used to set/ re-set the value stored in a variable
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Parameter
A value/ input that is passed into a function.
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Other cards in this set

Card 2

Front

An identifier whose value can't be changed

Back

Constant

Card 3

Front

A unique name used for any variable, function, data definition, etc.

Back

Preview of the back of card 3

Card 4

Front

Words that are already used in programming language for a specific purpose

Back

Preview of the back of card 4

Card 5

Front

A control structure in which an option of statements is provided

Back

Preview of the back of card 5
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