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MCQ

Q.

Concatenation (.) has the ________ highest precedence

A

first

B

second

C

third

D

fourth

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Similar Questions

MCQ

1.

Regular expressions are used to represent which language?

A

Recursive language

B

Context free language

C

Regular language

D

All of the mentioned

Discussion

MCQ

2.

Which of them are not left associative ?

A

*

B

|

C

plus(+)

D

.

Discussion

MCQ

3.

How many minimum states are required to find whether a string has odd number of 0

A

1

B

2

C

3

D

4

Discussion

MCQ

4.

You can use RE, if you expect the value of a property to change in an unpredictable way each time its run.

A

True

B

False

C

n>

Discussion

MCQ

5.

Which of the following regular expression denotes zero or more instances of an a or b?

A

a/b

B

(a/b)*

C

(ab)*

D

a*Ib

Discussion

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