Computer programs can contain Structures within structures and
Stacked structures, creating very
large programs Computer also can
perform milions of Arithmetic
Calculations how can
we possibly know the results
correct? ​

Ingrid started speaking about her slide presentation. when she clicked to th"third slide, which had just a picture of an elephant, she forgot what she wassupposed to talk about. what could ingrid do to avoid this situation in thefuture? oa. print handouts for her audience.ob. add presenter's notes to each slide.oc. add a video to each slide.od. save her slide presentation to a flash drive