1.4 Marking Scheme Item Percent Display simulated waveforms 20% Identify waveforms 5% Explain waveform shapes 10% Explain circuit operation 10% Tabulate expected and observed results 10% Compare expected and observed results 10% Explain calculation method 10% Use of Matlab for calculations 10% Calculate and display waveforms using matlab 10% Include Matlab source listings 5% Total 100%