1
GATE CSE 1991
MCQ (Single Correct Answer)
+2
-0.6
Which one of the following is the strongest correct statement about a finite language over some finite alphabet $$\sum ? $$
A
It could be un-decidable
B
It is Turing-machine recognizable
C
It is a regular language
D
It is a context-sensitive language
2
GATE CSE 1990
MCQ (More than One Correct Answer)
+2
-0.6
It is decidable whether:
A
An arbitrary Turing machine halts after 10 steps.
B
A Turing machine prints a specific letter.
C
A Turing machine computes the product of two numbers.
D
None of the above.
3
GATE CSE 1989
MCQ (More than One Correct Answer)
+2
-0.6
Which of the following problems are un-decidable?
A
Membership problem in context - free languages.
B
Whether a given context - free language is regular.
C
Whether a finite state automation halts on all inputs.
D
Membership problem for type $$0$$ languages.
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