If you need to find the model and speed of the installed processor and hard drive and the amount of memory installed, what utility should you open?

If cell A1 contains the value 5 and cell B2 contains the value 0, which cell formula would result in an error value?

A) =A1/B2 B) =B2*B2 C) =A1-A1 D) =B2+A1

Unix commands indicate successful completion by returning

A. 0 B. 1