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Programming.

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Mind Map on Programming., created by dsouthin11 on 22/02/2016.
dsouthin11
Mind Map by dsouthin11, updated more than 1 year ago
dsouthin11
Created by dsouthin11 over 8 years ago
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Resource summary

Programming.
  1. Algorithms.
    1. Solve problems 1 step at a time.
      1. Processors can only process 1 instruction at once.
        1. Flowcharts.
          1. Symbols.
          2. Psuedocode.
            1. Allows program to be written in any language.
              1. Keywords in capitals. eg INPUT.
            2. High/Low level.
              1. Low level.
                1. Understood by processor.
                  1. Machine code.
                    1. Binary.
                    2. Assembly language.
                      1. Codes to a specific type of processor.
                        1. Writes as each instruction would be processed.
                          1. INP, LDA, OUT.
                        2. High level.
                          1. Translate.
                            1. Easier to write.
                              1. Easier to understand.
                                1. Python, JavaScript.
                              2. Translation.
                                1. Assembler.
                                  1. Turns assembly language to machine code.
                                    1. Low level language.
                                    2. Compiler.
                                      1. Creates an executable file.
                                        1. High level language.
                                          1. Doesn't need original source code after it's complied.
                                            1. Used for propriety software.
                                            2. Interpreter.
                                              1. Executes source code directly.
                                                1. Used when creating program.
                                                  1. Used for open source software.
                                                    1. High level language.
                                                  2. Control flow.
                                                    1. Sequence.
                                                      1. Order of program.
                                                      2. Selection.
                                                        1. IF THEN ELSE.
                                                        2. Iteration.
                                                          1. WHILE, FOR.
                                                        3. Data types.
                                                          1. Variable.
                                                            1. Changes during program.
                                                            2. Constant.
                                                              1. Stays the same.
                                                              2. Integers
                                                                1. Whole number.
                                                                2. Real number.
                                                                  1. Float.
                                                                  2. Array.
                                                                    1. List of the same data type.
                                                                  3. Testing.
                                                                    1. Logical error.
                                                                      1. Human error in algorithm.
                                                                      2. Run-time error.
                                                                        1. Error in program eg. stuck in loop.
                                                                        2. Syntax error.
                                                                          1. Not a correct command for coding language used.
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