< - Less than, ≤ - Less than or equal to, > - Greater than, ≥ - Greater than or equal to, == - Is equal to, = - Assignment operator, != - Not equal to, * - Multiply, + - Addition, / - Division, ** or ^ - To the power of / Exponent, + or , - Concatenation, if elif else - Selection statement, input() - Get user input, print() - Output to the user, for x = 1 TO 5 - Loop a set number of times, while x > 0 - Loop until a condition is True, str() - Convert an integer to a string, int() - Convert a string to an integer, MOD or % - Find the remainder after a division, DIV or // - Find the whole number part after a division, Validation - Ensuring entered data is sensible, Verification - Checking the data as it is entered, Maintainability - Improving a program so that it is easier to update/make changes, Indentation - Used to space out code and/or show which code belongs to which instruction, Comments - Used to explain parts of a program, Function - A subroutine that returns a value, Procedure - A subroutine that does not return a value, Parameter - A variable that is passed into a subroutine, Iteration - A term for code that repeats,

Computer Science OCR GCSE Paper 2 Revision

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