Explore topic-wise MCQs in Automata Theory.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Automata Theory knowledge and support exam preparation. Choose a topic below to get started.

1.

Suppose we have a las vegas algorithm C to prove ZPP is contained in RP and co-RP. Run C for double its expected running time.
By Markov s inequality, the chance that it will answer before we stop is:

A. 1/2
B. 1/4
C. 1/3
D. none of the mentioned
Answer» B. 1/4
2.

ZPP is exactly equal to the ____________of the classes RP and co-RP.

A. Union
B. Intersection
C. Concatenation
D. Difference
Answer» C. Concatenation
3.

ZPP is based on ________

A. Probabalistic turing machine
B. Alternative turing machine
C. Quantum turing machine
D. None of the mentioned
Answer» B. Alternative turing machine
4.

Which among the following is false?
If f=O(h) and g=O(k) for f,g,h,k:N->N, then

A. f+g = O(h+k)
B. fg = O(hk)
C. f<sup>g</sup>=O(h<sup>k</sup>)
D. None of the mentioned
Answer» D. None of the mentioned
5.

Let f: N->N be a step counting function. Then for some constant C, Time(f) is a proper subset of Time(_______)

A. O(nf)
B. O(n+f)
C. O(n<sup>2</sup>f<sup>2</sup>)
D. None of the mentioned
Answer» D. None of the mentioned
6.

Which of the following are basic complexity classes for a function f:N->N?

A. Ntime(f)
B. Nspace(f)
C. Space(f)
D. All of the mentioned
Answer» E.
7.

In order to reduce the run time of a turing machine:

A. we can reduce the number of tapes
B. we can increase the number of tapes
C. use infinite tapes
D. none of the mentioned
Answer» C. use infinite tapes