Notes

List of articles in category Notes
Title
Introducing program constructions: sequence, selection and iteration
Understanding the concept of a data type
Introducing data types
Understanding and using selection
Constants, variables and assignment and using meaningful names
Understanding and using iteration
Nested selection and iteration structures
Understanding how nested structures work
Program-writing techniques, comments and indenting
Introducing Boolean algebra in programming - Answers
Introducing numerical, relational and Boolean operations
More on Boolean algebra in programming
Introducing arrays
One and two dimensional arrays (and lists)
Record data structures
File operations
String handling operations
Random number generation
Structured programming and subroutines (functions and procedures)
Subroutines and parameter passing in Python
Syntax and logic errors
The purpose of testing
Selecting and justifying test data
More on test data
Dry running programs
Common tools and facilities in IDEs
Debugging tools
Methods of validating data input
Methods of verifying data input
Validation and verification using Try - Except in algorithms and programs
Validation and verification using while loops in algorithms and programs
High level code v machine code
Assemblers, compilers and interpreters
The purpose of embedded systems
Examples of embedded systems
A no-pressure crossword
A no-pressure crossword - Answers