To get used to the parts of the camera will be going over the cameras manual and identifying the parts of the camera
Keep it clean
Keep it dry
Temperature
Safe storage
Respect the technology
Understand the cost of replacement
Remove dust carefully
Never remove the lens unless you are trained
Never reach inside the Camera Body
Tech sign out sheet
Getting files off the SD card
Signing them back in
Use cleaning tissue
Slightly damp not wet
Moisture must never enter the camera
To get an idea how the relationship between exposure, aperture and film speed work, have a look at these Camera Simulators to try out the different settings
Camera Simulators