$6.$ Using the VI Front Panel and Block Diagram shown on the next page, answer the following questions:

$($a$)$ Explain the role of $$HIL Initialize$,$HIL Write$,$HIL Read$,$ and $$HIL Close$$ blocks.

$($b$)$ Which analog input and output channels are being used in this VI$?$

$($c$)$ What is the sampling rate of the analog input data?

$($d$)$ Explain the shape of the analog output voltage$($s$)$ generated by this VI$.$

$($e$)$ What data is being displayed on the waveform chart in the front panel?

$($f$)$ Based on the results shown on the waveform chart, how are the analog input and out terminals on the DAQ connected to each other? $($i$.$e$.$ predict which AO$($s$)$ and AI$($s$)$ are hooked up with cables$)$