Theory Of Computation MCQ - Regular languages and finite automata

6:  

A finite state machine with the following state table has a single input x and a single output z. If initial state is unknown, then shortest input sequence to reach the inal state C is

 

 

Present state

Next state, z

 

X = 1

X =0

A

D, 0

B, 0

B

B, 1

C, 1

C

B, 0

D, 1

D

B, 1

C, 0

 

 

A.

01

B.

10

C.

110

D.

110

 
 

Option: B

Explanation :

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POONAM RANI said: (2:14am on Saturday 11th February 2017)
Incompletely automata bcz initial state is unknown

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7:  

 An FSM can be used to add how many given integers ?

A.

1

B.

3

C.

4

D.

2

 
 

Option: D

Explanation :

Finite Automata (FA) or Finite State Machine to add two integers can be constructed using two states:
q0: Start state to represent carry bit is 0
q1: State to represent carry bit is 1

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yogi said: (8:38pm on Tuesday 29th January 2013)
how to say 3 integer
shivangi said: (4:13pm on Friday 14th February 2014)
How to say 3?

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8:  

If two finite state machines are equivalent, they should have the same number of

A. states
B. edges
C. states and edges
D. none of these
 
 

Option: D

Explanation :

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9:  

 For which of the following applications regular expressions can be used ?

A.

Designing compilers

B.

Developing text editors

C.

Simulating sequential circuits

D.

All of these

 
 

Option: D

Explanation :

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10:  

 L = {aP | p ; }  is prime is

A. regular
B. not regular
C. accepted by DFA
D. accepted by PDA
 
 

Option: B

Explanation :

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Syllabus covered in this section is-

  • Regular languages and finite automata
  • Context free languages and Push-down automata
  • Recursively enumerable sets and Turing machines
  • Undecidability, NPcompleteness
  • Models of computation-Finite Automata
  • Pushdown Automata
  • Non-detenninism and NFA. DPDA and PDAs and Languages accepted by these Structures
  • Grammars, Languages,
  • Non- computability and Examples of non-computable problems

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