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all the questions of ISRO 2020 question paper

Recent questions tagged isro-2020

3 votes
1 answer
62
ISRO2020-76
If $A=\{x,y,z\}$ and $B=\{u,v,w,x\}, $ and the universe is $\{s,t,u,v,w,x,y,z\}$. Then $(A \cup \overline{B}) \cap (A \cap B)$ is equal to $\{u,v,w,x\}$ $\{ \: \}$ $\{u,v,w,x,y,z\}$ $\{u,v,w\}$
If $A=\{x,y,z\}$ and $B=\{u,v,w,x\}, $ and the universe is $\{s,t,u,v,w,x,y,z\}$. Then $(A \cup \overline{B}) \cap (A \cap B)$ is equal to$\{u,v,w,x\}$$\{ \: \}$$\{u,v,w,...
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1 votes
3 answers
63
ISRO2020-75
A grammar is defined as $A \rightarrow BC$ $B \rightarrow x \mid Bx$ $C \rightarrow B \mid D$ $D \rightarrow y \mid Ey$ $E \rightarrow z$ The non terminal alphabet of the grammar is $\{A,B,C,D,E\}$ $\{B,C,D,E\}$ $\{A,B,C,D,E,x,y,z\}$ $\{x,y,z\}$
A grammar is defined as$A \rightarrow BC$$B \rightarrow x \mid Bx$$C \rightarrow B \mid D$$D \rightarrow y \mid Ey$$E \rightarrow z$The non terminal alphabet of the gram...
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3 votes
2 answers
64
ISRO2020-10
Following Multiplexer circuit is equivalent to Sum equation of full adder Carry equation of full adder Borrow equation for full subtractor Difference equation of a full subtractor
Following Multiplexer circuit is equivalent toSum equation of full adderCarry equation of full adderBorrow equation for full subtractorDifference equation of a full subtr...
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6 votes
2 answers
65
ISRO2020-9
In a $8$-bit ripple carry adder using identical full adders, each full adder takes $34$ ns for computing sum. If the time taken for $8$-bit addition is $90$ ns, find time taken by each full adder to find carry. $6$ ns $7$ ns $10$ ns $8$ ns
In a $8$-bit ripple carry adder using identical full adders, each full adder takes $34$ ns for computing sum. If the time taken for $8$-bit addition is $90$ ns, find time...
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4 votes
3 answers
69
ISRO2020-25
What is compaction refers to a technique for overcoming internal fragmentation a paging technique a technique for overcoming external fragmentation a technique for compressing the data
What is compaction refers toa technique for overcoming internal fragmentationa paging techniquea technique for overcoming external fragmentationa technique for compressin...
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7 votes
2 answers
70
ISRO2020-24
In linear hashing, if blocking factor $bfr$, loading factor $i$ and file buckets $N$ are known, the number of records will be $cr= i+bfr+N$ $r=i-bfr-N$ $r=i+bfr-N$ $r=i ^{\ast} bfr ^{\ast} N$
In linear hashing, if blocking factor $bfr$, loading factor $i$ and file buckets $N$ are known, the number of records will be$cr= i+bfr+N$$r=i-bfr-N$$r=i+bfr-N$$r=i ^{\as...
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2 votes
4 answers
71
ISRO2020-23
The post-order traversal of binary tree is $\text{ACEDBHIGF}$. The pre-order traversal is $\text{A B C D E F G H I}$ $\text{F B A D C E G I H}$ $\text{F A B C D E G H I}$ $\text{A B D C E F G I H}$
The post-order traversal of binary tree is $\text{ACEDBHIGF}$. The pre-order traversal is$\text{A B C D E F G H I}$$\text{F B A D C E G I H}$$\text{F A B C D E G H I}$$\t...
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2 votes
1 answer
72
ISRO2020-68
What is the defect rate for Six sigma? $1.0$ defect per million lines of code $1.4$ defects per million lines of code $3.0$ defects per million lines of code $3.4$ defects per million lines of code
What is the defect rate for Six sigma?$1.0$ defect per million lines of code$1.4$ defects per million lines of code$3.0$ defects per million lines of code$3.4$ defects pe...
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2 votes
2 answers
73
ISRO2020-67
What is the availability of the software with the following reliability figures Mean Time Between Failures (MTBF) is $20$ days Mean Time To Repair (MTTR) is $20$ hours $90\%$ $96\%$ $24\%$ $50\%$
What is the availability of the software with the following reliability figuresMean Time Between Failures (MTBF) is $20$ daysMean Time To Repair (MTTR) is $20$ hours$90\%...
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3 votes
4 answers
74
ISRO2020-65
Of the following sort algorithms, which has execution time that is least dependant on initial ordering of the input? Insertion sort Quick sort Merge sort Selection sort
Of the following sort algorithms, which has execution time that is least dependant on initial ordering of the input?Insertion sortQuick sortMerge sortSelection sort
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2 votes
1 answer
75
ISRO2020-64
Regression testing is primarily related to Functional testing Development testing Data flow testing Maintenance testing
Regression testing is primarily related toFunctional testingDevelopment testingData flow testingMaintenance testing
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2 votes
2 answers
78
ISRO2020-29
An aid to determine the deadlock occurrence is resource allocation graph starvation graph inversion graph none of the above
An aid to determine the deadlock occurrence isresource allocation graphstarvation graphinversion graphnone of the above
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2 votes
1 answer
79
ISRO2020-28
Dispatch latency is defined as the speed of dispatching a process from running to the ready state the time of dispatching a process from running to ready state and keeping the CPU idle the time to stop one process and start running another one none of these
Dispatch latency is defined asthe speed of dispatching a process from running to the ready statethe time of dispatching a process from running to ready state and keeping ...
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2 votes
1 answer
80
ISRO2020-27
Which of the following algorithms defines time quantum? shortest job scheduling algorithm round robin scheduling algorithm priority scheduling algorithm multilevel queue scheduling algorithm
Which of the following algorithms defines time quantum?shortest job scheduling algorithmround robin scheduling algorithmpriority scheduling algorithmmultilevel queue sche...
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12 votes
2 answers
82
ISRO2020-62
What is output of the following ‘C’ code assuming it runs on a byte addressed little endian machine? #include<stdio.h> int main() { int x; char *ptr; x=622,100,101; printf("%d",(*(char *)&x)*(x%3)); return 0; } $622$ $311$ $22$ $110$
What is output of the following ‘C’ code assuming it runs on a byte addressed little endian machine?#include<stdio.h int main() { int x; char *ptr; x=622,100,101; pri...
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