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Chapter 8 · Paper 2: Algorithms, Programming and Logic

Programming

Turning an algorithm into a working program.

9 topics0 free
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Topics in this chapter

  1. 8.1

    Variables, constants and data types

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    Storing data in a program and choosing the right data type.

  2. 8.2

    Input, output and operators

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    Reading values in, displaying results, and arithmetic, logical and comparison operators.

  3. 8.3

    Selection

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    Making decisions with IF and CASE statements.

  4. 8.4

    Iteration

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    Repeating steps with FOR, WHILE and REPEAT loops.

  5. 8.5

    String handling

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    Length, substrings, case conversion and other operations on text.

  6. 8.6

    Procedures and functions

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    Breaking a program into reusable parts, parameters, return values and local or global variables.

  7. 8.7

    Library routines

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    Using built-in routines such as rounding and random numbers.

  8. 8.8

    Arrays

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    One-dimensional and two-dimensional arrays and looping through them.

  9. 8.9

    File handling

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    Opening, reading, writing and closing text files.

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