Question 34 The grammar whose productions are → if id then → if id then else → id := id is ambiguous because A the sentence […]

Question 44 Which one of the following regular expressions over {0,1} denotes the set of all strings not containing 100 as a substring? A 0*(1+0)* B […]

Question 11 Regarding  the power of recognition of languages, which of the following statements is false? A The non-deterministic finite-state automata are equivalent to deterministic finite-state […]

Question 12 The string 1101 does not belong to the set represented by A 110*(0 + 1) B 1 ( 0 + 1)* 101 C (10)* […]

Question 23 How many sub strings of different lengths (non-zero) can be found formed from a character string of length n? A n B n2 C […]

Question 4  For a Turing machine M, <M> denotes an encoding of M. Consider the following two languages.         L1=〈M〉|M takes more than 2021 steps on all […]

Question 1 Suppose that L1is a regular language and L2is a context free language. Which one of the following languages is NOT necessarily context free? A […]

Which of the following acids can dissolve glass? Correct Answer: D Question 3 Explanation:  Fluoride ion attacks silicon forming a strong bond and weakening the silicon […]

Question 1 The University which telecasts interaction educational programmes through its own channel is A Osmania University B University of Pune C Annamalai University D Indira […]

Question 2 Which of the following is a teaching aid ? A Working Model of Wind Mill B Tape Recorder C 16mm Film Projector D All […]

Question 5 The present annual examination system : A promotes rote learning B does not promote good study habits C does not encourage students to be […]

Question 1 Break-down in verbal communication is described as A Short Circuit B Contradiction C Unevenness D Entropy CommunicationVerbal-Communication Correct Answer: D