A magnetic hard drive is made up of one or more disks called ____ that spin on a spindle.

Conversion specifiers e and E always print exactly __________ to the left of the decimal point.

a) zero digits b) one digit c) two digits d) three digits

A ______________ is a collection of users and computers whose accounts are managed by Windows servers called domain controllers.

Fill in the blank(s) with the appropriate word(s).