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Comp Sci paper 2 revision - Coggle Diagram

- - - - Removing unnecessary detail from a problem so you can focus on essential components
    - - Breaking down a large problem into smaller sub-problems
    - - Used to show how a problem is broken down
  - - - Examining the middle object in each list and halfing it, then halfing it again until you reach the target object - only use if the list is in order
    - - Items are examined from left to right until you reach the target item - only use if list is not in order
  - - - Start with leftmost item, compare with next item, swap if higher, repeat
    - - Divide list into two, continue dividing until there is just one item left in each list, merge back together until list is in order
    - - One item is taken from the list and placed in the right position, this is repeated until list is in order
  - - - MOD - modular (remainder)
      - DIV - Integer division
    - - A location in memory in which you can temporarily store a value such as a string or value
    - - A set of instructions
    - - Used when you wish to call another procedure or function
  - - - A whole number
    - - A number with a decimal point
    - - TRUE or FALSE
    - - A sequence of one or more characters
    - - A kind of structured English for describing algorithms
  - - - Determine the outputs from a program as it runs - good for finding errors in the code
    - - Logical errors, syntax errors, number errors etc.
- - - - A data structure that stores data in a grid-like format, organized into rows and columns
  - - - Prevent values from being changed accidentally by a part of code
    - - Values that can change throughout the code
    - - Means joining together
      - Joins strings together
    - - Allows you to insert a line of text that will not affect the code