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ISRO 2009 Computer Science (CS) questions with solution

Recent questions tagged isro2009

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ISRO2009-76
Process isA program in high level language kept on diskContents of main memoryA program in executionA job in secondary memory
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2 answers
5 votes
ISRO2009-71
Which of the following contains complete record of all activity that affected the contents of a database during a certain period of time?Transaction logQuery languageRepo...
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4 answers
8 votes
ISRO2009-67
Activities which ensure that the software that has been built, is traceable to customer requirement is covered as part ofVerificationValidationMaintenanceModeling
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1 answers
6 votes
ISRO2009-66
If the pdf of a Poisson distribution is given by $f(x) = \dfrac{e^{-2} 2^x}{x!}$ then its mean is$2^x$$2$$-2$$1$
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ISRO2009-65
If the mean of a normal frequency distribution of $1000$ items is $25$ and its standard deviation is $2.5,$ then its maximum ordinate is$\frac{1000}{\sqrt{2 \pi} } e^{-25...
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9 votes
ISRO2009-62
If $\text{A, B, C}$ are any three matrices, then $\text{A}'+\text{B}'+\text{C}' $ is equal toa null matrix$\text{A + B + C}$$\text{(A + B + C)}'$$\text{-(A + B + C})$
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9 votes
ISRO2009-61
If $\begin{vmatrix} 3 && 3 \\ x && 5 \end{vmatrix} =3$ then the value of $x$ is$2$$3$$4$$5$
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2 answers
11 votes
ISRO2009-60
If two adjacent rows of a determinant are interchanged, the value of the determinantbecomes zeroremains unalteredbecomes infinitivebecomes negative of its original value
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8 votes
ISRO2009-59
A square matrix $\text{A}$ is called orthogonal if $\text{A}'\text{A}=$$\text{I}$$\text{A}$$-\text{A}$$-\text{I}$
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8 votes
ISRO2009-56
A simple graph ( a graph without parallel edge or loops) with $n$ vertices and $k$ components can have at most$n$ edges$n-k$ edges$(n-k) (n-k+1)$ edges$(n-k) (n-k+1)/2$ e...
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3 answers
7 votes
ISRO2009-55
In a graph $\text{G}$ there is one and only one path between every pair of vertices then $\text{G}$ is aPathWalkTreeCircuit
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1 answers
9 votes
ISRO2009-54
A graph in which all nodes are of equal degree, is known asMultigraphNon regular graphRegular graphComplete graph
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8 votes
ISRO2009-52
If $\text{G}$ is a graph with e edges and n vertices the sum of the degrees of all vertices in $\text{G}$ is$e$$e/2$$e^2$$2 e$
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3 votes
ISRO2009-51
The formula $P_k = y_0 + k \triangledown y_0+ \frac{k(k+1)}{2} \triangledown ^2 y_0 + \dots + \frac{k \dots (k+n-1)}{n!} \triangledown ^n y_0$ isNewton's backward formula...
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1 answers
6 votes
ISRO2009-50
The value of $x$ at which $y$ is minimum for $y=x^2 -3x +1 $ is$-3/2$$3/2$$0$$-5/4$
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5 votes
ISRO2009-49
$x=a \cos(t), y=b \sin(t)$ is the parametric form ofEllipseHyperbolaCircleParabola
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4 votes
ISRO2009-48
The cubic polynomial $y(x)$ which takes the following values: $y(0)=1, y(1)=0, y(2)=1$ and $y(3)=10$ is$x^3 +2x^2 +1$$x^3 +3x^2 -1$$x^3 +1$$x^3 -2x^2 +1$
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1 answers
3 votes
ISRO2009-47
The formula $\int\limits_{x0}^{xa} y(n) dx \simeq h/2 (y_0 + 2y_1 + \dots +2y_{n-1} + y_n) - h/12 (\triangledown y_n - \triangle y_0)$$- h/24 (\triangledown ^2 y_n + \tri...
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1 answers
4 votes
ISRO2009-46
The shift operator $E$ is defined as $E [f(x_i)] = f (x_i+h)$ and $E'[f(x_i)]=f (x_i -h)$ then $\triangle$ (forward difference) in terms of $E$ is$E-1$$E$$1-E^{-1}$$1-E$
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3 answers
4 votes
ISRO2009-33
The feature in object-oriented programming that allows the same operation to be carried out differently, depending on the object, isInheritancePolymorphismOverfunctioning...
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4 answers
7 votes
ISRO2009-31
A full binary tree with $n$ leaves contains$n$ nodes$\log_2 n$ nodes$2n-1$$2^n$ nodes
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3.5k
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2 answers
4 votes
ISRO2009-28
The infix expression $A+(B-C)^*D$ is correctly represented in prefix notation as$A+B-C^*D$$+A^*-BCD$$ABC-D^*+$$A+BC-D^*$
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7 votes
ISRO2009-20
Consider the following boolean function of four variables $f(w,x,y,z) = \Sigma(1,3,4,6,9,11,12,14)$, the function isIndependent of one variableIndependent of two variable...
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2 answers
5 votes
ISRO2009-17
Consider a set of 5 processes whose arrival time, CPU time needed and the priority are given below:Process PriorityArrival Time (in ms)CPU Time NeededPriorityP10105P2052P...
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4 answers
3 votes
ISRO2009-11
A page faultOccurs when a program accesses an available page on memoryis an error in a specific pageis a reference to a page belonging to another programoccurs when a pro...
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3 answers
5 votes
ISRO2009-10
The correct matching of the following pairs is$\begin{array}{|l|l|l|l|} \hline \text{A.} & \text{Disk check} & \text{i.} & \text{Round robin} \\\hline \text{B.}& \text{B...
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5 votes
ISRO2009-4
Which of the following is a MAC address?$\textsf{192.166.200.50}$$\textsf{00056A:01A01A5CCA7FF60}$$\textsf{568, Airport Road}$$\textsf{01:A5:BB:A7:FF:60}$
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2 answers
4 votes
ISRO2009-2
In networking, UTP stands forUnshielded T-connector portUnshielded twisted pairUnshielded terminating pairUnshielded transmission process
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6.0k
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2 answers
9 votes
ISRO2008-66, ISRO2009-15
The performance of Round Robin algorithm depends heavily onsize of the processthe I/O bursts of the processthe CPU bursts of the processthe size of the time quantum
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5 votes
ISRO2007-16, ISRO2009-30, ISRO2014-43
The five items: A, B, C, D, and E are pushed in a stack, one after other starting from A. The stack is popped four items and each element is inserted in a queue. The two ...
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