NIELIT 2017 DEC Scientific Assistant A - Section B: 5

Question

Concatenation Operation refers to which of the following set operations : 

• A. Union
• B. Dot
• C. Kleene
• D. None of the options

Comments

Option B is correct

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Dot operation

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Two operands are said to be performing Concatenation operation AB = A•B = {xy: x ∈ A & y ∈ B}. So option B is right

Answer 1

Concatenation refer to Dot.

So B is correct.

Comments

Whats the meaning of “dot” operation in a set?

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Two operands are said to be performing Concatenation operation AB = A•B = {xy: x ∈ A & y ∈ B}. So meaning of dot operation refers to the concatenation. Ans B is right

Answer 2

Concatenation refers to dot  (a concat b) is represented as (a.b)

Answer 3

Concatenation Operation refers Dot set operations .

Option B is Correct

Answer 4

• A. dot is the answer as in case of concatentation of two languages L and M,we can write the concatenation as L.M WHERE DOT is used.