The Motorola DynaTAC 8000X was the first handheld ___________ telephone.

Identifiers should at least give a hint to the human reader of the ________________ of the identifier in the context of the problem being solved.

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

Checking in and out files is similar to checking in and out library books or video rentals because no one else can read or watch the same copy while you have it checked out.

Answer the following statement true (T) or false (F)