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GRADE 5 WORDLIST TERM 2
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Algorithm – a set of precise instructions for solving a problem.
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Application software – programs that are written for a specific task or set of tasks, such as text processing software, media players or games.
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Conditional statement – the instruction in a program that instructs it to perform different actions depending on whether the condition is ‘true’ or ‘false’. Also known as a Selection statement.
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Constant – a data value that stays the same each time a program is run, for example the starting values within a game
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Data type – the content of data within a variable, for example whether it is text or numeric
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Decomposition – the taking of a complex problem and breaking it down into smaller parts that are easier to solve
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Flowchart – a diagram that uses a standard set of symbols, including arrows, to represent each step of an algorithm. The symbols are used to represent different types of instruction.
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Loop – a section of code that is repeated within a program
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Operation, or operating, system – software that supports a computer’s basic functions.
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Real – a programming data type that stores numbers that contain decimal places.
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String – a programming data type that stores alphanumeric combinations and text. A string should not include numbers that are used for calculations but can include sequences of numbers in contexts such as addresses or telephone numbers.
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Sub-routine – a discrete section of code that performs a particular operation within a program. Sub-routines can be used many times within a program and can be re-used in other programs
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Syntax – the rules that define the structure of a programming language.
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System software – software that controls the hardware within a computer system and provides the user interface.
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Variable – a memory location within a program that stores particular values, such as the name, age or score of a user. The values can change each time the program is run or while the program is running
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