Which option enables you to keep the last grammatical change

Which function key is used to enable the spelling & grammar function in a word processing program such as microsoft word?

Identify at least three types of characteristics that you were asked about as you the computer identify a fruit.

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?