Software Develpoment

Software Develpoment

1. Variables

   • Variables are used in programs to store items of data such as surname,age exam marks etc
   • it is a label given to an item of data
   • Most programming languages require variables
   • makes program easier to understand

2. Data types

   • integer is a data type is used for a variable that is storing a positive or negative whole number
   • string is a data type is used for a variable that is storing an item of text