I guess perhaps they were breadboarding the circuits with discrete components as a teaching tool as opposed to using off the shelf IC components. Looks like a breadboard on the table. So in that case, the capacitor or resistor would be about the right size.
I guess perhaps they were breadboarding the circuits with discrete components as a teaching tool as opposed to using off the shelf IC components. Looks like a breadboard on the table. So in that case, the capacitor or resistor would be about the right size.