2.2

2.2

1. operators

   • arithmetic
   • boolean
   • string
   • concatenate(join)
   • substring
   • delimiter
   • split
   • left
   • mid
   • right
   • Operators represent the operations that are performed on the data.

2. selection

   • if
     • else if
     • else
     • selection case
   • boolean
   • nested
   • selection
   • condition
   • criteria
   • true
   • false
   • The use of selection allows a computer to “think” – make decisions

3. variables

   • input
   • output
   • assignment
   • pseudocode
   • flowchart
   • identifier
   • constant
   • concatenaion
   • memory locations
   • parameters
   • Computer programs accept inputs from a user, process them using some constants and output back to the user

4. sequence

   • sequence/algorithm
   • instructions
   • efficiency
   • structured
   • len (length)
   • substring
   • length
   • upper
   • lower
   • CHR
   • ASC
   • concatenate

5. iteration

   • while
   • for
   • counter
   • condition
   • boolean
   • iteration
   • break
   • nested iteration
   • exit condition
   • stepping
   • increment/decrement
   • larger/greater
   • greater or equal
   • smaller or equal