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1
PGEE 2018
If root of equation f(x) is 0 ar x= -3 and X= 3 then root of equation f(x+3) will be at ? A) X= 0 and X=6 B) X=-3 and X=3 C) X=-6 and X=0; D) X=-6 and X= 6
If root of equation f(x) is 0 ar x= -3 and X= 3 then root of equation f(x+3) will be at ?A) X= 0 and X=6B) X=-3 and X=3C) X=-6 and X=0;D) X=-6 and X= 6
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Testbook Test Series
An array of unknown size is filled with special symbols let's say '#'. Time required to find the size of array is 1) O(1) 2) O(logn) 3) O(n) 4) O((logn)2)
An array of unknown size is filled with special symbols let's say '#'. Time required to find the size of array is1) O(1)2) O(logn)3) O(n)4) O((logn)2)
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Digital Logic
Solution?
Solution?
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Language identify
consider following language L1= {a^nB^b/n>=0} L2= compliment of L1 choose the correct option regarding the language L1& L2 1. L1 &L2 are context free 2.L1 is context free but L2 is regular 3.L1 is context free & L2 is contxt sensitive 4. none
consider following languageL1= {a^nB^b/n>=0}L2= compliment of L1choose the correct option regarding the language L1& L21. L1 &L2 are context free2.L1 is context free but...
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test series
how p4 is equivalent this plz explain
how p4 is equivalent this plz explain
2 answers
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HASH TABLES
Hash tables can contribute to the following problems except 1) Counting distinct values 2) Dynamiic dictonary 3) Symbol table look up 4) Range search
Hash tables can contribute to the following problems except1) Counting distinct values2) Dynamiic dictonary3) Symbol table look up4) Range search
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Test by Bikram | Mock GATE | Test 3 | Question: 59
Out of six coins, four coins are tossed simultaneously. The number of possible outcomes where at most three of the coins turn up as heads is ______.
Out of six coins, four coins are tossed simultaneously.The number of possible outcomes where at most three of the coins turn up as heads is ______.
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CSL or not ?
L={ (an)m bn | n,m>=1 }
L={ (an)m bn | n,m>=1 }
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Time Complexity
which function will grow faster? a) x$\sqrt{x}$ b) x!
which function will grow faster?a) x$\sqrt{x}$ b) x!
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me test
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No of Super Key
R (A1, A2, ….An) and every (n-2) attributes of R forms a candidate key. How many super keys are there in R? a) $_{n-2}^{n}\textrm{C}$ b) $_{n-2}^{n}\textrm{C}$ * 4 c) $_{n-2}^{n}\textrm{C}$ * n d) $_{n-2}^{n}\textrm{C}$ + n +1
R (A1, A2, ….An) and every (n-2) attributes of R forms a candidate key. How many superkeys are there in R?a) $_{n-2}^{n}\textrm{C}$b) $_{n-2}^{n}\textrm{C}$ * 4c) $_{n-...
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virtualgate
Here query is not correct if there are two persons with higher rating?Am I correct?
Here query is not correct if there are two persons with higher rating?Am I correct?
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Digital circuit
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Test series
Consider the following Resource Allocation Graph (RAG) and set of sequences. I) <P1,P4,P3,P5,P2> II) <P1,P4,P3,P2,P5> III) <P1,P4,P2,P5,P3> IV) <P1,P4,P5,P2,P3> Which of the above sequences can be safe?
Consider the following Resource Allocation Graph (RAG) and set of sequences.I) <P1,P4,P3,P5,P2>II) <P1,P4,P3,P2,P5>III) <P1,P4,P2,P5,P3>IV) <P1,P4,P5,P2,P3>Which of the a...
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3NF Fully functional dependent
Consider the following statements: A relation R is in 3NF, if every non-prime attribute of R, is fully functionally dependent on some key of R. State True or False
Consider the following statements:A relation R is in 3NF, if every non-prime attribute of R, is fully functionally dependent on some key of R.State True or False
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quick sort
You have an array of n elements. Suppose you implement quick sort by always choosing the central element of the array as the pivot. Then the tightest lower bound for the best case performance is a) O(n2) b) O(nlogn) c) Θ(nlogn) d) O(n3)
You have an array of n elements. Suppose you implement quick sort by always choosing the central element of the array as the pivot. Then the tightest lower bound for the...
1 answer
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programming and data structures
A 4-ary i.e., either has 0 children or has 4 children tree has 20 leaf nodes. Then the total number of nodes in the tree are ________.
A 4-ary i.e., either has 0 children or has 4 children tree has 20 leaf nodes. Then the total number of nodes in the tree are ________.
2 answers
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Full Outer Join
Why is the minimum number of tuples in full outer join equal to max (m,n) ?
Why is the minimum number of tuples in full outer join equal to max (m,n) ?
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Operating system
Please explain in detail
Please explain in detail
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Normal Form
Given a relation with five attributes and the following FDs: A -> D A -> E DE -> BC B -> A D -> C What is the highest normal form satisfied by the relation?
Given a relation with five attributes and the following FDs:A - DA - EDE - BCB - AD - CWhat is the highest normal form satisfied by the relation?
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LU decomposition
In the LU decomposition of the matrix,$\begin{bmatrix} 1 &2 \\ 3 &8 \end{bmatrix}$ if the diagonal elements of $U$ are both $1$, then the trace of $L$ is$?$
In the LU decomposition of the matrix,$\begin{bmatrix} 1 &2 \\ 3 &8 \end{bmatrix}$ if the diagonal elements of $U$ are both $1$, then the trace of $L$ is$?$