TOC oral assessment unit-II by Bala Kumkum https://padlet.com/balakumkum/u6ul1fvcfz913h8q Made with serendipity en-us 2020-09-16 06:20:23 UTC 2026-01-30 22:59:47 UTC hello@padlet.com Q1)Which of the following statements is correct? balakumkum https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750655318 )a) A = { If an bn  | n = 0,1, 2, 3 ..} is regular language
b) Set B of all strings of equal number of a's and b's deines a regular language
c) L (A* B*)∩ B gives the set A
d) None of these
Q2) P, Q, R are three languages, if P and R are regular and if PQ = R, then
a)Q has to be regular
b)Q cannot be regular
c)Q need not be regular
d)Q cannot be a CFL
Q3)A class of language that is closed under
a)union and complementation has to be closed under intersection
b)intersection and complement has to be closed under union
c)union and intersection has to be closed under complementation
d)both (A) and (B)
Q4)The language of all words with at least 2 a's can be described by the regular expression
a)(ab)*a and a (ba)*
b)(a + b)* ab* a (a + b)*
c)b* ab* a (a + b)*
d)all of these
Q5)Set of regular languages over a given alphabet set is  closed under
a) union
b) complementation
c) intersection
d) All of these
]]> 2020-09-16 06:20:58 UTC https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750655318 https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750832059 a, a, c, d,d]]> 2020-09-16 08:00:10 UTC https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750832059 https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750836201 1 - b ]]> 2020-09-16 08:02:56 UTC https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750836201 https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750836817 2- c]]> 2020-09-16 08:03:22 UTC https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750836817 https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750837741 3 - b]]> 2020-09-16 08:04:01 UTC https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750837741 https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750838018 1st C 
2nd C
3rd D 
4th D
5th D]]> 2020-09-16 08:04:12 UTC https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750838018 https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750839733 a
c
d
d
a]]> 2020-09-16 08:05:19 UTC https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750839733 https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750840267 c,a,c,d,d]]> 2020-09-16 08:05:40 UTC https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750840267 https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750857501 1) a)
2) b)
3) a)
4) d)
5) d)]]> 2020-09-16 08:16:42 UTC https://padlet.com/balakumkum/u6ul1fvcfz913h8q/wish/750857501