Exam 12: Models of Computation

In a state diagram, ____ are used to represent states.

One consequence of a(n) ____________________ problem related to the halting problem is that no program can be written to decide whether any given program always stops eventually, no matter what the input.

State ____ is always the start-up state of the Turing machine.

It is important to note that unsolvable problems related to the halting problem are unsolvable because of their ____.

The term unary means that we will use ____ symbol(s).

Describe in detail what a Turing machine includes.

The Turing machine must execute instructions in the order that the instructions are numbered.

Discuss at length the assertion that Turing machines define the limits of computability.

Every problem has an algorithmic solution.