12-

The productions, E>E+E, E>EE, E-->E*E, E > E / E, E > id

a.

generate an ambiguous language but not inherently so

b.

generate an inherently ambiguous language

c.

are unambiguous

16-

In the GNFA the transition function is

a.

The collection of some regular expressions over the alphabet

b.

The collection of all regular expressions over the alphabet

c.

Start state and accept state

d.

None of the answers