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Recent questions tagged 2019
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IIT Madras MS written test 2019 - TOC - 1
Let L1 and L2 be 2 languages which are not regular. Which of these is true? The union of L1 and L2 is not regular. The intersection of L1 and L2 is not regular. Both I and II are true I is true, II is false I is false, II is true Both I and II are false
Let L1 and L2 be 2 languages which are not regular. Which of these is true?The union of L1 and L2 is not regular.The intersection of L1 and L2 is not regular.Both I and I...
SPluto
591
views
SPluto
asked
May 2, 2019
Theory of Computation
iit-madras
ms
written-test
2019
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IIT Madras MS written test 2019 - Algorithms - 1
Let SP be the problem of finding the shortest path between 2 nodes, and LP be the problem of finding the longest path between 2 nodes, in an unweighted, undirected graph. Which of the following is true? SP is NP-hard, LP is not LP is NP-hard, SP is not Both are NP-hard Neither SP nor LP is NP-hard
Let SP be the problem of finding the shortest path between 2 nodes, and LP be the problem of finding the longest path between 2 nodes, in an unweighted, undirected graph....
SPluto
518
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SPluto
asked
May 2, 2019
Algorithms
iit-madras
ms
written-test
2019
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IIT Madras MS written test 2019 - OS - 1
A scheduler - such as an OS scheduler - can suffer from the priority inversion problem, in which a lower priority process indirectly pre-empts a higher priority process, and this can happen due to the usage of shared resources and mutual exclusion. ... the highest priority by the time it exits the CS. S1 alone S2 alone Neither S1 nor S2 Either S1 or S2
A scheduler – such as an OS scheduler – can suffer from the priority inversion problem, in which a lower priority process indirectly pre-empts a higher priority proce...
SPluto
489
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SPluto
asked
May 2, 2019
Operating System
iit-madras
ms
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IIT Madras MS written test 2019 - DBMS
Which of the following statements about SQL queries is true? The GROUP BY clause has nothing to do with Aggregate functions. The GROUP BY clause can only be used when Aggregate functions are used. Aggregate functions can only be used when the GROUP BY clause has been used. The GROUP BY clause can be used even when Aggregate functions are not used.
Which of the following statements about SQL queries is true?The GROUP BY clause has nothing to do with Aggregate functions.The GROUP BY clause can only be used when Aggre...
SPluto
497
views
SPluto
asked
May 2, 2019
Databases
iit-madras
ms
written-test
2019
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IIT Madras MS written test 2019 - C prog.
for(; i != 0; --i) { printf("\nIITM"); --i; } If i is initialized to 100, then IITM will be printed 50 times If i is initialized to 101, then IITM will be printed 51 times Both I and II are true I is true, II is false I is false, II is true Both I and II are false
for(; i != 0; i) { printf("\nIITM"); i; }If i is initialized to 100, then IITM will be printed 50 timesIf i is initialized to 101, then IITM will be printed 51 timesBot...
SPluto
635
views
SPluto
asked
May 2, 2019
Programming in C
iit-madras
ms
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2019
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IIT Madras MS written test 2019
Which of the following infinite sets have the same cardinality? $\mathbb{N}$ : Set of Natural numbers $\mathbb{E}$ : Set of Even numbers $\mathbb{Q}$ : Set of Rational numbers $\mathbb{R}$ : Set of Real numbers $\mathbb{N}$ and $\mathbb{E}$ $\mathbb{Q}$ and $\mathbb{R}$ $\mathbb{R}$ and $\mathbb{N}$ None of the above
Which of the following infinite sets have the same cardinality?$\mathbb{N}$ : Set of Natural numbers$\mathbb{E}$ : Set of Even numbers$\mathbb{Q}$ : Set of Rational numbe...
SPluto
737
views
SPluto
asked
May 2, 2019
Set Theory & Algebra
iit-madras
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JEST 2019
Let ${(0,1)}^n$ set of all binary string of length n. Hamming sphere of radius around a string C in ${(0,1)}^n$ is the set of all strings d$\epsilon$ ${(0,1)}^n$ that differ from C in at most r of n position, S(C,r) for n=2k+1 For C,C’ $\epsilon$ ${(0,1)}^n$ S(C,k) and S(C’,k) are disjoint couldn't remember rest of the options.
Let ${(0,1)}^n$ set of all binary string of length n. Hamming sphere of radius around a string C in ${(0,1)}^n$ is the set of all strings d$\epsilon$ ${(0,1)}^n$ that dif...
vivek_mishra
491
views
vivek_mishra
asked
Feb 17, 2019
Set Theory & Algebra
jest
2019
discrete-mathematics
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JEST 2019 Descriptive Q4 (8 Marks)
Give an efficient algorithm for maximum size rectangle binary sub-matrix with all 1s . [Complexity should be O($n^c$)] (Memory based – Original question had a lot of added details)
Give an efficient algorithm for maximum size rectangle binary sub-matrix with all 1s . [Complexity should be O($n^c$)](Memory based – Original question had a lot of ad...
dan31
397
views
dan31
asked
Feb 17, 2019
Algorithms
jest
2019
algorithms
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JEST 2019 Descriptive Q2 (8 Marks)
Given a sequence $a_1$, $a_2$ , $a_3$ ... $a_n$ of any different positive integers, exhibit an arrangement of integers between 1 and $n^2$ which has no increasing or decreasing subsequence of length n+1.
Given a sequence $a_1$, $a_2$ , $a_3$ ... $a_n$ of any different positive integers, exhibit an arrangement of integers between 1 and $n^2$ which has no increasing or decr...
dan31
482
views
dan31
asked
Feb 17, 2019
Graph Theory
jest
2019
discrete-mathematics
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JEST 2019 Descriptive Q1 (8 Marks)
Suppose that G contains a cycle C, and a path of length at least k between some two vertices of C. Show that G contains a cycle of length at least √k.
Suppose that G contains a cycle C, and a path of length at least k between some twovertices of C. Show that G contains a cycle of length at least √k.
dan31
414
views
dan31
asked
Feb 17, 2019
Graph Theory
jest
2019
discrete-mathematics
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