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ISRO Scientist Examination December 2017 for Computer Science & Engineering

Recent questions tagged isrodec2017

1 votes
1 answer
62
ISRO-DEC2017-14
$\text{Type-IV} JDBC$ driver is a driver which is written in $C++$ which requires an intermediate layer which communicates through Java sockets which translates $JDBC$ function calls into $API$ not native to $DBMS$
$\text{Type-IV} JDBC$ driver is a driverwhich is written in $C++$which requires an intermediate layerwhich communicates through Java socketswhich translates $JDBC$ functi...
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5 votes
2 answers
63
ISRO-DEC2017-13
Consider the following schema: $\text{Sailors(sid,sname,rating,age)}$ $\text{Boats(bid,bname,colour)}$ $\text{Reserves(sid,bid,day)}$ ... Ganga boat. Names of sailors who have reserved at least one Ganga boat. Names of sailors who have reserved at most one Ganga boat.
Consider the following schema:$\text{Sailors(sid,sname,rating,age)}$$\text{Boats(bid,bname,colour)}$$\text{Reserves(sid,bid,day)}$Two boats can have the same name but the...
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5 votes
1 answer
65
ISRO-DEC2017-11
Consider the schema $\text{Sailors(sid,sname,rating,age) with the following data}$ ... $6$ $5$ $4$ $3$
Consider the schema$\text{Sailors(sid,sname,rating,age) with the following data}$$\begin{array}{|l|l|l|l|} \hline \textbf{sid} & \textbf{sname} & \textbf{rating} & \textb...
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1 votes
2 answers
66
ISRO-DEC2017-10
If vectors $\vec{a}=2\hat{i}+\lambda \hat{j}+\hat{k}$ and $\vec{b}=\hat{i}-2\hat{j}+3\hat{k}$ are perpendicular to each other, then value of $\lambda$ is $\dfrac{2}{5}$ $2$ $3$ $\dfrac{5}{2}$
If vectors $\vec{a}=2\hat{i}+\lambda \hat{j}+\hat{k}$ and $\vec{b}=\hat{i}-2\hat{j}+3\hat{k}$ are perpendicular to each other, then value of $\lambda$ is$\dfrac{2}{5}$ $2...
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6 votes
2 answers
67
ISRO-DEC2017-9
The function $f:[0,3]\rightarrow [1,29]$ defined by $f(x)=2x^{3}-15x^{2}+36x+1$ is injective and surjective surjective but not injective injective but not surjective neither injective nor surjective
The function $f:[0,3]\rightarrow [1,29]$ defined by $f(x)=2x^{3}-15x^{2}+36x+1$ isinjective and surjectivesurjective but not injectiveinjective but not surjectiveneither ...
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3 votes
3 answers
68
ISRO-DEC2017-8
The number of elements in the power set of $\{\{1,2\},\{2,1,1\},\{2,1,1,2\}\}$ is $3$ $8$ $4$ $2$
The number of elements in the power set of $\{\{1,2\},\{2,1,1\},\{2,1,1,2\}\}$ is$3$ $8$ $4$ $2$
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3 votes
1 answer
69
ISRO-DEC2017-7
If $T(x)$ denotes $x$ is a trigonometric function, $P(x)$ denotes $x$ is a periodic function and $C(x)$ denotes $x$ ... $\neg\exists x[\neg T(x)\wedge \neg P(x)]$ $\neg\exists x[T(x)\wedge P(x)]$
If $T(x)$ denotes $x$ is a trigonometric function, $P(x)$ denotes $x$ is a periodic function and $C(x)$ denotes $x$ is a continuous function then the statement "It is no...
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1 votes
6 answers
70
ISRO-DEC2017-6
The proposition $(P\Rightarrow Q)\wedge (Q\Rightarrow P)$ is a Tautology Contradiction Contingency Absurdity
The proposition $(P\Rightarrow Q)\wedge (Q\Rightarrow P)$ is aTautologyContradictionContingencyAbsurdity
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4 votes
2 answers
71
ISRO-DEC2017-5
Let $f(x)=\log|x|$ and $g(x) =\sin x$. If $A$ is the range of $f(g(x))$ and $B$ is the range of $g(f(x))$ then $A\cap B$ is $[-1,0]$ $[-1,0)$ $[-\infty ,0]$ $[-\infty ,1]$
Let $f(x)=\log|x|$ and $g(x) =\sin x$. If $A$ is the range of $f(g(x))$ and $B$ is the range of $g(f(x))$ then $A\cap B$ is$[-1,0]$$[-1,0)$$[-\infty ,0]$$[-\infty ,1]$
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3 votes
1 answer
72
ISRO-DEC2017-4
If $x=-1$ and $x=2$ are extreme points of $f(x)=\alpha \log \mid x \mid+\beta x^2+x$ then $\alpha=-6,\beta=\dfrac{-1}{2}$ $\alpha=2,\beta=\dfrac{-1}{2}$ $\alpha=2,\beta=\dfrac{1}{2}$ $\alpha=-6,\beta=\dfrac{1}{2}$
If $x=-1$ and $x=2$ are extreme points of $f(x)=\alpha \log \mid x \mid+\beta x^2+x$ then$\alpha=-6,\beta=\dfrac{-1}{2}$ $\alpha=2,\beta=\dfrac{-1}{2}$ $\alpha=2,\beta=\d...
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8 votes
4 answers
75
ISRO-DEC2017-1
Suppose $A$ is a finite set with $n$ elements.The number of elements and the rank of the largest equivalence relation on $A$ are $\{n,1\}$ $\{n,n\}$ $\{n^2,1\}$ $\{1,n^2\}$
Suppose $A$ is a finite set with $n$ elements.The number of elements and the rank of the largest equivalence relation on $A$ are$\{n,1\}$$\{n,n\}$$\{n^2,1\}$$\{1,n^2\}$
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40 votes
5 answers
77
GATE CSE 2009 | Question: 37,ISRO-DEC2017-55
What is the maximum height of any AVL-tree with $7$ nodes? Assume that the height of a tree with a single node is $0$. $2$ $3$ $4$ $5$
What is the maximum height of any AVL-tree with $7$ nodes? Assume that the height of a tree with a single node is $0$.$2$$3$$4$$5$
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