For each of the following languages over the alphabet Σ = {a, b, c, d}, give a DFA that recognizes the language:
{w ∈ ∑* | ƞa(w) = multiple of 2 and |w| < 6}

10. when you create a pivottable, you need to specify where to find the data for the pivottable. is it true

Assume that there is a 4% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

Which is the highest level of the hierarchy of needs model? a. humanity b. intrapersonal c. team d. interpersonal