Computer Systems

Computer Systems

1. Interface

2. Data Types

   • Variables
     • Store items of data
       • Surname, age, exam mark etc.

3. Structures

   • Array
     • List of variables
       • All of the same data type

4. Data Representation

   • Binary Numbers
     • 0's and 1's
     • Difficult for humans to usa
   • Integer
     • Whole negative and positive numbers
       • Includes 0
   • ASCII
     • American standard code for information interchange