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GATE CSE 1993 | Question: 27
Draw the state transition of a deterministic finite state automaton which accepts all strings from the alphabet $\{a,b\}$, such that no string has $3$ consecutive occurrences of the letter $b$.
Draw the state transition of a deterministic finite state automaton which accepts all strings from the alphabet $\{a,b\}$, such that no string has $3$ consecutive occurre...
4 answers
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GATE CSE 2014 Set 1 | Question: 36
Which of the regular expressions given below represent the following DFA? $0^*1(1+00^*1)^* $ $0^*1^*1+11^*0^*1 $ $(0+1)^*1$ I and II only I and III only II and III only I, II and III
Which of the regular expressions given below represent the following DFA?$0^*1(1+00^*1)^* $$0^*1^*1+11^*0^*1 $$(0+1)^*1$I and II onlyI and III onlyII and III onlyI, II an...
12 answers
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GATE CSE 2003 | Question: 14
The regular expression $0^*(10^*)^*$ denotes the same set as $(1^*0)^*1^*$ $0+(0+10)^*$ $(0+1)^*10(0+1)^*$ None of the above
The regular expression $0^*(10^*)^*$ denotes the same set as$(1^*0)^*1^*$$0+(0+10)^*$$(0+1)^*10(0+1)^*$None of the above
5 answers
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GATE CSE 2008 | Question: 70
Consider a file of $16384$ records. Each record is $32\;\text{bytes}$ long and its key field is of size $6\;\text{bytes}$ ... -level blocks in the multi-level index are respectively $8$ and $0$ $128$ and $6$ $256$ and $4$ $512$ and $5$
Consider a file of $16384$ records. Each record is $32\;\text{bytes}$ long and its key field is of size $6\;\text{bytes}$. The file is ordered on a non-key field, and the...
4 answers
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GATE CSE 2014 Set 3 | Question: 22
A prime attribute of a relation scheme $R$ is an attribute that appears in all candidate keys of $R$ in some candidate key of $R$ in a foreign key of $R$ only in the primary key of $R$
A prime attribute of a relation scheme $R$ is an attribute that appearsin all candidate keys of $R$in some candidate key of $R$in a foreign key of $R$only in the primary ...
8 answers
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GATE CSE 2014 Set 2 | Question: 21
The maximum number of superkeys for the relation schema $R(E,F,G,H)$ with $E$ as the key is _____.
The maximum number of superkeys for the relation schema $R(E,F,G,H)$ with $E$ as the key is _____.
3 answers
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GATE CSE 2014 Set 2 | Question: 22
Given an instance of the STUDENTS relation as shown as below ... $(\text{StudentName, StudentAge})$ to be a key for this instance, the value $X$ should NOT be equal to______.
Given an instance of the STUDENTS relation as shown as below$$\begin{array}{|c|c|c|c|c|} \hline \textbf {StudentID} & \textbf{StudentName} & \textbf{StudentEmail} & \text...
6 answers
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GATE CSE 2014 Set 2 | Question: 30
Consider a join (relation algebra) between relations $r(R)$ and $s(S)$ using the nested loop method. There are $3$ ... $s(S)$ is more than $0.5$. join selection factor between $r(R)$ and $s(S)$ is less than $0.5$.
Consider a join (relation algebra) between relations $r(R)$ and $s(S)$ using the nested loop method. There are $3$ buffers each of size equal to disk block size, out of w...