Data Representation

Course Content Specification

• Describe and exemplify the use of binary to represent positive integers.
• Describe floating point representation of positive real numbers using the terms mantissa and exponent.
• Convert from binary to denary and vice-versa.
• Describe extended ASCII code (8-bit) used to represent characters.
• Describe the vector graphics method of graphic representation for common objects:
  • rectangle
  • ellipse
  • line
  • polygon
• with attributes:
  • co-ordinates
  • fill colour
  • line colour
• Describe the bit-mapped method of graphics representation.