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1. Data types

   • real-number with a decimal point
     • Boolean-yes no,true false value
   • integer-Number without a decimal point
     • date/Time-date and time in any format
   • string-a series of character
   • character a single letter or symbol

2. Key terms

   • variable-value stored in memory location that never changes within a program
   • sequence-Completing steps in order which they must happen
   • selection-Where a choice is made in a program depending on a condition or coutcome
   • Iteration-Act of repeating or lopping specific sections of code
     • condition controlled-Repeats until a condition i met or something in the program changes
   • count controlled iteration-repeats a set number of times

3. errors

   • syntax error
     • an error in the rules/grammar of the language EG missing colon/spelling mistake
   • logic error
     • the program is written to do somehing other than what the programmer intended EG resetting only the first 9 elements in an array instead of 10
   • run time error
     • more difficult to spot as it can run a program without reporting an error EG runs but doesnt give an output or the program hangs or becomes inactive