2.2 Programming Techniques

2.2 Programming Techniques

1. Syntax Error

   • An error in the rules/grammar of the language Eg missing colon / spelling mistake

2. Login Error

   • The program is written to do something other than what the programmer intended Eg Resetting only the first 9 elements in an array instead of all 10.

3. Run time error

   • More difficult to spot as it can run a program without reporting an error. E.g. runs but Doesn’t give an output. Or the program hangs or Becomes inactive

4. Data Types

   • Real or float
     • Number with decimal Point
   • Integer
     • Number without a decimal Point
   • String
     • A series of characters/TEXT
     • Character
       • A single letter or symbol
     • Date/tme
       • Date and Time in any format
     • Boolean
       • Yes no, true false value

5. Sequence

   • Completing steps in the order which they must happen

6. Selection

   • Where a choice is made in a program depending on a condition or outcome

7. Iteration

   • Act of repeating or lopping specific sections of code

8. Other info

   • Constant
     • Value stored in a memory location that never changes in a programme
   • Variable
     • Value stored in a memory location that can change in a programme

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