Gate Exam

Given the language L = {ab, aa, baa}, which of the following strings are in L*?
1) abaabaaabaa
2) aaaabaaaa
3) baaaaabaaaab
4) baaaaabaa

option
(A) 1, 2 and 3
(B) 2, 3 and 4
(C) 1, 2 and 4
(D) 1, 3 and 4

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Gate Other Question

In the IPv4 addressing format, the number of networks allowed under Class C addresses is
(A) 2^14
(B) 2^7
(C) 2^21
(D) 2^24
The bisection method is applied to comp ute a zero of the function f(x) = x^4-x^3-x^2-4 in the interval [1,9]. The method converges to a solution after iterations.

option
(A) 1
(B) 3
(C) 5
(D) 7