1- If the largest sec/div you can set is 10s, what is the lowest frequency AC signal you can measure with the digital oscilloscope (to see at least one full period)?
2- If the smallest sec/div you can set is 10μs, what is the highest frequency AC signal you can measure with the digital oscilloscope (to see at least one full period)?
3- If the largest Volts/div you can set is 50V, what is the highest voltage you can measure in terms of Vpp, Vpk, and Vrms with the oscilloscope?