Question 1 [Total: 20 Marks] . (a) Draw the state transition diagram (STD) to design a software that identifies the acknowledgement message received at the digital receiver of the communication system. The acknowledgement message is identified when the four consecutive 1s are detected in the received bitstream data. Consider software initially is in idle state and can be reset to idle state [10 Marks] (b) Write pseudocode to demonstrate the implementation of this STD. [10 Marks]