Problems that may occur in programming code

• Syntax


  An error that occurs when a command does not follow the expected syntax of the language, e.g. when a keyword is incorrectly spelt.
• Runtime/execution


  An error that only occurs when the program is running and is difficult to foresee before a program is compiled and run.
• Logical 


  An error that causes a program to output an incorrect answer
• Linking


  An error that occurs when a programmer calls a function within a program and the correct library has not been linked to that program.
• Rounding


  Is when a number is approximated to nearest whole number/tenth/hundredth, etc.
• Truncation


  Is when a number is approximated to a whole number/tenth/hundredth, etc. nearer zero.