FLOWCHARTS A flowchart is a diagrammatic representation of the logic of an algorithm using a series of symbols and lines. The operations to perform arithmetic computations, make comparisons etc. are shown inside boxes in the flowchart. The flowchart should be unambiguous, neat and easy to follow.. Symbols Flowline Connector Start / stop Input/ output Decision Process Preparation Predefined Process Stored Data Annotation Pseudocode is another way of representing the logic of a program. It can be defined as English-like statements used to express the steps of an algorithm. The prefix 'pseudo' means in this context - resembling or imitating. Pseudocode therefore is intended to resemble actual program code as best as possible. The idea is that the pseudocode will, line by line, easily be converted into program source code for easier and smoother program implementation. All languages have two major component rules - syntax and semantics. Pseudocode must also then conform to a set of rules, even more as it mimics artificial language. Syntax - rules governing correct use of language, word and sentence structures, sentence pattern, organization, the structure of commands, statements, or instructions that are given to a computer. Semantics - refers to the meaning of statements. Elements of pseudocode Words: Terminal points (i.e. begin, end, start, stop, enter, return) Reference points (i.e. Repeat, Unti ...
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