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Logical terms


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Boolean Expression
an expression that results in a value that is either true or false
Algorithm
a set of rules that precisely defines a sequence of operations
Pseudocode
a general version of code intended for human reading rather than machine reading.
Logical Operator
a value such as AND NOT OR which help produce a boolean expression
Sequence
a list of instructions in a specific order e.g. first do this; then do that
Selection
a choice made within a program e.g. IF such-&-such is the case THEN do this ELSE do that
Iteration
a process that repeats itself until it is complete e.g. WHILE such & such is the case DO this
Conditional Statement
used in selection to perform different actions depending on whether a boolean�expression�evaluates to true or false.
Structure Chart
a basic, graphical representation of a complicated process
Flow Chart
a type of�diagram�that represents an�algorithm, showing the steps as boxes of various kinds, and their order by connecting them with arrows