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Answers by Digvijay Pandey
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1
#newgradiance #dbms #sql #joins Q2
answered
May 6
in
Databases

99
views
newgradiance
databases
sql
joins
0
votes
2
#Algorithms
Can somebody help me out to figure out an algorithm that would work in O(nlogn) for the following problem? Given a SORTED array of n elements. Find three numbers from the array that will add up to a given number k. My approach: Use two pointers ... I can't figure out when to increment L or when to decrement H, in case z is not found. Any ideas? Thank you
answered
May 6
in
Algorithms

56
views
algorithms
+3
votes
3
GATE2016Session7GA5
The sum of the digits of a two digit number is $12$. If the new number formed by reversing the digits is greater than the original number by $54$, find the original number. $39$ $57$ $66$ $93$
answered
Apr 27
in
Numerical Ability

113
views
gate2016session7aptitude
numericalability
numericalcomputation
0
votes
4
cache  madeeasy test series
Question :
answered
Feb 9
in
CO & Architecture

488
views
madeeasytestseries
co&architecture
cachememory
badquestion
+3
votes
5
Test Series
Consider a 4way set associative cache that has 8lines, with perfect LRU cache replacement and supports a block size of 16bytes. For the following memory access pattern (shown as byte addresses), find the hit ratio? 3, 5, 6, 21, 32, 14, 5, 10, 11, 12
answered
Feb 9
in
CO & Architecture

175
views
co&architecture
cachememory
+3
votes
6
Digital ECE Gate 2017 Set 1
answered
Feb 9
in
Digital Logic

281
views
digitallogic
+10
votes
7
Gate ECE 2017 Eigen Value
answered
Feb 9
in
Linear Algebra

398
views
matrix
eigenvalue
+2
votes
8
Test series: gatebook mock 2
Consider the collection of all un directed graphs with 10 nodes and 6 edges. Let M and m, respectively, be the maximum and minimum number of connected components in any graph in the collection. If a graph has no self loops and there is at most one edge between any pair ... m = 1 (C) M = 7, m = 4 (D) M = 6, m = 4 Shouldn't the answer be D?
answered
Feb 8
in
Graph Theory

170
views
gatebook_mt2
+1
vote
9
gatebook mt2 qn 42
The intended purpose of this code is to precompute all the primes less than N. When it is finished executing, for r ∈ [2, N), bits[r] is supposed to equal 1 if and only if N is composite. Assume that the bits array is initialized to ... ; so why cant we just do a direct search? If it is 0 its prime, otherwise composite? What is the problem in this?
answered
Feb 7
in
Algorithms

87
views
algorithms
functions
+4
votes
10
made easy test series
answered
Feb 7
in
Databases

64
views
+4
votes
11
GATE 2017 EC Aptitude
$900$ men and $500$ woman complete a task in $2$ weeks. $1200$ men and $250$ woman took $3$ weeks to complete the same task. Then, how many men are required to complete the same task in $1$ week ?
answered
Feb 7
in
Numerical Ability

834
views
numericalanswers
0
votes
12
maximum records in join operation ME mock
answered
Feb 7
in
Databases

66
views
+1
vote
13
GATEBOOK MOCK TEST 1
A computer can parallelize the instruction execution by using multiple copies of data path. Assume that instruction execution takes 100 nsec when there is only one copy of data path and it takes 40 nsec when there are 4 copies of data path. Assuming that ... what percentage of execution is non parallelizable? (A) 19.98 (B) 25.03 (C) 31.45 (D) 22.75
answered
Feb 7
in
CO & Architecture

106
views
gatebook_caoexecutioninstruction_parallelisimmultiprocessor
+1
vote
14
the gatebook mock 2
actually i don't understand the part "what are the meant by process is in 1st frame..." i don't know why but i m a bit confuse with this qn. please help...
answered
Feb 7
in
CO & Architecture

308
views
+2
votes
15
gate me 2017 paper
answered
Feb 7
in
Numerical Ability

265
views
0
votes
16
ME TEST
answered
Feb 7
in
Computer Networks

75
views
madeeasytestseries
computernetworks
0
votes
17
ME TEST
answered
Feb 7
in
Databases

73
views
madeeasytestseries
databases
+5
votes
18
IIT Kanpur Written Test
There are 16072016 users in Facebook. A graph is formed where an edge(u,v) is defined when a male is friend to a female and vice versa. Estimate the number of simple cycle of length 1607 formed in the graph?
answered
Dec 1, 2016
in
Algorithms

205
views
iitkanpur
+2
votes
19
TOCRegular Expression
Consider the following grammar which is not regular but it generates a regular language. S → SSSaab Which of the following regular expression best describes the language ? a. ((a + ab) (a + ab) (a + ab))* b. ((a + ab)* (a + ab)* (a + ab)*)* c. (a + ab) ((a + ab) (a + ab))* d. None of these
answered
Nov 3, 2016
in
Theory of Computation

188
views
+11
votes
20
Hashing
Using open addressing with linear probing, we sequentially insert three distinct keys k1, k2 and k3 into a hash table of size m. Assuming simple uniform hashing, what is the probability that we will need three probes, when inserting the third key, k3? 3/m 2/m2 3/m2 2/m Please explain the solution.
answered
Nov 2, 2016
in
Algorithms

317
views
hashing
datastructure
algorithms
uniformhashing
+3
votes
21
Self Doubt
I came across few Compiler Design Doubts, Please provide your cent. $Q_1 :$ Can lexical analyser detect some/any type of errors? I think yes, because while scanning to identify tokens, it may be the cases that a string pattern doesn't match with any ... $\color{navy}{A \rightarrow aA}$(Right Linear). What can be said about $\color{navy}{A \rightarrow aAb}$
answered
Nov 1, 2016
in
Compiler Design

284
views
compilerdesign
lexicalanalysis
variablescope
+1
vote
22
Virtual Test series
answered
Nov 1, 2016
in
Algorithms

133
views
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