ISRO 2016 Computer Science Questions with solution

Recent questions tagged isro2016

3 3 votes
1 1 answer
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ISRO official key is released on 06 July 2016What are the wrong answers in ISRO 2016 official key?Just comment here.According to ISRO"CANDIDATES MAY RAISE OBJECTIONS TO T...
88 88 votes
16 answers 16 answers
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Consider the following segment of C-code:int j, n; j = 1; while (j <= n) j = j * 2;The number of comparisons made in the execution of the loop for any $n 0$ is:$\lceil \...
8 8 votes
2 answers 2 answers
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A simple two-pass assembler does which of the following in the first pass:Checks to see if the instructions are legal in the current assembly modeIt allocates space for t...
8 8 votes
3 answers 3 answers
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At a particular time of computation the value of a counting semaphore is 7. Then 20 $P$ operations and $x$ $V$ operations were completed on this semaphore. If the new val...
10 10 votes
2 answers 2 answers
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If $12A7C_{16} = X_8$ then the value of $X$ is$224174$$425174$$6173$$225174$
14 14 votes
4 answers 4 answers
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The logic circuit given below converts a binary code $Y_1Y_2Y_3$ into Excess-$3$ codeGray code$\text{BCD}$ codeHamming code
5 5 votes
1 answers 1 answer
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Trigger isStatement that enables to start any DBMSStatement that is executed by the user when debugging an application programThe condition that the system tests for the ...
6 6 votes
2 answers 2 answers
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Goals for the design of the logical scheme includeavoiding data inconsistencybeing able to construct query easilybeing able to access data efficientlyAll of the above
20 20 votes
3 answers 3 answers
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For the real time operating system, which of the following is the most suitable scheduling scheme?Round robinFirst come first servePre-emptiveRandom scheduling
12 12 votes
5 answers 5 answers
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Recursive descent parsing is an example ofTop-down parsersBottom-up parsersPredictive parsersNone of the above
11 11 votes
5 answers 5 answers
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The Excess-$3$ code is also calledCyclic Redundancy CodeWeighted CodeSelf-Complementing CodeAlgebraic Code
9 9 votes
2 answers 2 answers
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The circuit given in the figure below isAn oscillating circuit and its output is square waveThe one whose output remains stable in $\text{‘1'}$ stateThe one having output...
11 11 votes
2 answers 2 answers
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Consider the following gate networkWhich one of the following gates is redundant?Gate No. $1$Gate No. $2$Gate No. $3$Gate No. $4$
5 5 votes
2 answers 2 answers
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For a binary half-subtractor having two inputs $\text{A}$ and $\text{B}$, the correct set of logical outputs $\text{D}\;(=\text{A}\;\text{minus} \;\text{B})$ and $\text{X...
17 17 votes
2 answers 2 answers
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The minimum Boolean expression for the following circuit is$\text{AB + AC + BC}$$\text{A + BC}$$\text{A + B}$$\text{A + B + C}$
5 5 votes
4 answers 4 answers
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Determine the number of page faults when references to pages occur in the following order:1, 2, 4, 5, 2, 1, 2, 4Assume that the main memory can accommodate 3 pages and th...
5 5 votes
3 answers 3 answers
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A top-down parser generatesRightmost DerivationRightmost derivation in reverseLeftmost derivationLeftmost derivation in reverse
5 5 votes
2 answers 2 answers
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Configuration management is not concerned withcontrolling changes to the source codechoice of hardware configuration for an applicationcontrollling documentation changesm...
15 15 votes
6 answers 6 answers
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With single resource, deadlock occursif there are more than two processes competing for that resourcesif there are only two processes competing for that resourcesif there...
10 10 votes
8 answers 8 answers
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A system has 3 processes sharing 4 resources. If each process needs a maximum of 2 units, thenDeadlock can never occurDeadlock may occurDeadlock has to occurNone of these
12 12 votes
4 answers 4 answers
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A given connected graph $\text{G}$ is a Euler Graph if and only if all vertices of $\text{G}$ are ofsame degree even degreeodd degree ...
20 20 votes
9 answers 9 answers
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What is the highest type number that can be assigned to the following grammar?$$S\to Aa,A\to Ba,B \to abc$$Type 0Type 1Type 2Type 3
8 8 votes
4 answers 4 answers
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A complete binary tree with $n$ non-leaf nodes contains$\log_{2}n$ nodes$n+1$ nodes$2n$ nodes$2n+1$ nodes
4 4 votes
3 answers 3 answers
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A company needs to develop a digital signal processing software for one of its newest inventions. The software is expected to have 20000 lines of code. The company needs ...
17 17 votes
7 answers 7 answers
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The simplified SOP (Sum of Product) from the Boolean expression$$(\text{P} + \overline{\text{Q}} + \overline{\text{R}}) . (\text{P} + \text{Q + R) . (P + Q} +\overline{\t...
11 11 votes
2 answers 2 answers
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Peephole optimization is form ofLoop optimizationLocal optimizationConstant foldingData flow analysis
13 13 votes
3 answers 3 answers
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If $(\text{G} , .)$ is a group such that $(ab)^{-1}=a^{-1}b^{-1},\forall a,b \in \text{G},$ then $\text{G}$ is a/anCommutative semi groupAbelian groupNon-abelian groupNon...
11 11 votes
2 answers 2 answers
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$\displaystyle{}\lim_{x\rightarrow 0}\frac{\sqrt{1+x}-\sqrt{1-x}}{x}$ is given by$0$$-1$$1$$\frac{1}{2}$
20 20 votes
4 answers 4 answers
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What is the sum to infinity of the series,$3+6x^{2}+9x^{4}+12x^{6}+ \dots$ given $\left | x \right |<1$$\frac{3}{(1+x^{2})}$$\frac{3}{(1+x^{2})^{2}}$$\frac{3}{(1-x^{2})^{...
16 16 votes
4 answers 4 answers
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Which of the following is true ?$\sqrt{3}+\sqrt{7}=\sqrt{10}$$\sqrt{3}+\sqrt{7}\leq \sqrt{10}$$\sqrt{3}+\sqrt{7}< \sqrt{10}$$\sqrt{3}+\sqrt{7} \sqrt{10}$