Building Block View
This chapter explains the building blocks of the WordClock system, and its decomposition in sub-system.
White box of the WordClock

| Name | Responsibility |
|---|---|
| Application | provides the high-level system behavior. |
| Platform abstraction | decouples the Application implementation from the platform specific hardware. |
| Platform | contains all the hardware specific features. |
| Real Time Clock | is the hardware component responsible to keep track of the time when the system is powered off. |
| Led Matrix | is the hardware component used as display. |
