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1
(Answered now) Graph plotting doubt in iisc cds sample paper
In this won’t A and C both be correct answers as A can be obtained by considering only central part of C? Also, I tried this by brute force by putting some values; is there any better method for solving these?
In this won’t A and C both be correct answers as A can be obtained by considering only central part of C?Also, I tried this by brute force by putting some values; is th...
427
views
edited
May 4, 2022
Written Exam
iisc
cds
mtech
written-test
+
–
2
answers
2
admission through Gate query
How do I use the previous year's GATE score for the current year for admissions? I completed B.tech in CSE in 2021 and I appeared for Gate 2021 CS and secured AIR1717 with a score of 619 and around 48 marks. I took a drop and reappeared for ... colleges and options would be available for me? What is the best college I can get with this score? What should I do next?
How do I use the previous year's GATE score for the current year for admissions?I completed B.tech in CSE in 2021 and I appeared for Gate 2021 CS and secured AIR1717 with...
968
views
commented
Feb 16, 2022
Written Exam
admissions
+
–
0
answers
3
Test by mentor doubt
In https://gateoverflow.in/285452/Go2019-flt1-27 , wouldn't the query in question return distinct values, while query in option B can duplicate return values? Ex: A B C a1 4000 2500 a2 4000 2500 ... .com/en-us/sql/t-sql/language-elements/set-operators-except-and-intersect-transact-sql#:~:text=INTERSECT%20returns%20distinct%20rows%20that,the%20same%20in%20all%20queries.
In https://gateoverflow.in/285452/Go2019-flt1-27 , wouldn’t the query in question return distinct values, while query in option B can duplicate return values? Ex: ABCa1...
209
views
asked
Feb 4, 2022
Databases
databases
test-series
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–
1
answer
4
Test by Bikram | Mock GATE | Test 4 | Question: 25
The Eigen values of a $2 \times 2$ matrix $’A’$ are $1, -2$, and its Eigen vectors $x_1$ and $x_2$ respectively. The Eigen values and Eigen vectors of the matrix $A^{2} - 3A + 4I$ (where $I$ is the identity matrix) will be: $2,14$ and $ x_1,x_2$ $2,14$ and $x_1+x_2 , x_1- x_2$ $2,0$ and $x_1,x_2$ $2,0$ and $x_1+x_2, x_1- x_2$
The Eigen values of a $2 \times 2$ matrix $’A’$ are $1, -2$, and its Eigen vectors $x_1$ and $x_2$ respectively.The Eigen values and Eigen vectors of the matrix $A^{2...
694
views
commented
Feb 3, 2022
Linear Algebra
tbb-mockgate-4
eigen-value
linear-algebra
engineering-mathematics
+
–
0
answers
5
(Solved now) Gateoverflow test doubt
In https://gateoverflow.in/356090/Gate-overflow-mock-test-4-56 Aren't asynchronous flip-flops supposed to update output sequentially due to delay? I am getting answer Q0 Q1 as 11 → 00 → 10 → 01 → 11
In https://gateoverflow.in/356090/Gate-overflow-mock-test-4-56 Aren't asynchronous flip-flops supposed to update output sequentially due to delay?I am getting answer Q0 Q...
405
views
edited
Feb 3, 2022
Digital Logic
gateoverflow
test-series
digital-logic
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–
0
answers
6
(Solved Now) Gateoverflow test doubt
In https://gateoverflow.in/343341/Gate-overflow-data-structures-1-11 Suppose $L$ is : 10 → 50 → 20 → 40 → 30 & $K$ is : 4, 1, 5 Wouldn’t the explained algorithm print values: 10 40 30 instead of 40 10 30? Won’t it require an algorithm that searches $L$ one by one for all values of $K$ in $O(nk)$ ?
In https://gateoverflow.in/343341/Gate-overflow-data-structures-1-11 Suppose $L$ is : 10 → 50 → 20 → 40 → 30& $K$ is : 4, 1, 5Wouldn’t the explained algorithm p...
272
views
asked
Jan 31, 2022
Algorithms
gateoverflow
test-series
algorithms
+
–
0
answers
7
(Solved now) Gateoverflow test doubt
In this question – https://gateoverflow.in/348646/Gate-overflow-linear-algebra-1-10 for $A=\begin{bmatrix} 0 & i\\ -i& 0 \end{bmatrix}$ how is (B) valid ?
In this question – https://gateoverflow.in/348646/Gate-overflow-linear-algebra-1-10 for$A=\begin{bmatrix} 0 & i\\ -i& 0 \end{bmatrix}$how is (B) valid ?
495
views
edited
Jan 31, 2022
Linear Algebra
test-series
gateoverflow
linear-algebra
engineering-mathematics
+
–
2
answers
8
GATE CSE 2014 Set 3 | Question: GA-7
By the beginning of the $20^{\text{th}}$ century, several hypotheses were being proposed, suggesting a paradigm shift in our understanding of the universe. However, the clinching evidence was provided by experimental measurements of the position of ... Experimental evidence was important in confirming this paradigm shift i, ii and iv iii only i and iv iv only
By the beginning of the $20^{\text{th}}$ century, several hypotheses were being proposed, suggesting a paradigm shift in our understanding of the universe. However, the c...
1.6k
views
commented
Jan 27, 2022
Verbal Aptitude
gatecse-2014-set3
verbal-aptitude
passage-reading
easy
+
–
2
answers
9
GATE Overflow | Data Structures | Test 1 | Question: 28
What would be an appropraite data structure to represent family hierarchy where each node is an individual and there in no requirement to keep "married to" relationship? Binary Tree n-ary Tree Graph Linked List
What would be an appropraite data structure to represent family hierarchy where each node is an individual and there in no requirement to keep "married to" relationship?B...
697
views
commented
Jan 3, 2022
DS
go-ds-1
data-structures
+
–
0
answers
10
(Answered) Self doubt about ambiguous grammar
I understand all these following separately : 1) DCFG is always unambiguous 2) Regular grammar is a subset of DCFG 3) Regular grammar can be ambiguous But can't understand how any DCFG is unambiguous if its subset can be ambiguous
I understand all these following separately :1) DCFG is always unambiguous2) Regular grammar is a subset of DCFG3) Regular grammar can be ambiguousBut can't understand ho...
659
views
edited
Jan 3, 2022
Compiler Design
self-doubt
theory-of-computation
compiler-design
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–
0
answers
11
(Closed) Probability, P&C doubt cleared
Question - If there is a bag that has 2 balls, with the colour of the balls being unknown, what is the probability that both turn out to be blue coloured balls? My doubt - which of the 2 following methods is correct and why : 1) Both balls can either ... : 0 blue balls, 1 blue ball or 2 blue balls as the order of balls doesn't matter here hence $\frac{1}{3}$
Question – If there is a bag that has 2 balls, with the colour of the balls being unknown, what is the probability that both turn out to be blue coloured balls?My doubt...
285
views
edited
Dec 31, 2021
Combinatory
combinatory
probability
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–
2
answers
12
Geeksforgeeks mock - 2022
Consider the following C program: #include <stdio.h> #include <stdlib.h> #include <unistd.h> int main (void) { pid_t pid; int x = 2; pid = fork ( ); if (pid = = 0); x = 8; fork( ); printf("%d", x); return 0; } Fork ( ) is a system call creates new ... the program is executed on the unix OS?[MSQ] (a) 8 2 2 8 (b) 8 8 2 2 (c) 2 8 8 2 (d) 2 2 8 8
Consider the following C program:#include <stdio.h #include <stdlib.h #include <unistd.h int main (void) { pid_t pid; int x = 2; pid = fork ( ); if (pid = = 0); ...
1.3k
views
commented
Dec 21, 2021
Operating System
operating-system
multiple-selects
fork-system-call
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–
7
answers
13
GATE CSE 2015 Set 1 | Question: 48
Consider a disk pack with a seek time of $4$ milliseconds and rotational speed of $10000$ rotations per minute (RPM). It has $600$ sectors per track and each sector can store $512$ bytes of data. Consider a file stored in ... sector is half of the time for one complete rotation. The total time (in milliseconds) needed to read the entire file is__________________
Consider a disk pack with a seek time of $4$ milliseconds and rotational speed of $10000$ rotations per minute (RPM). It has $600$ sectors per track and each sector can s...
20.3k
views
commented
Dec 20, 2021
Operating System
gatecse-2015-set1
operating-system
disk
normal
numerical-answers
+
–
3
answers
14
GATE CSE 2018 | Question: 28
Consider the first-order logic sentence $\varphi \equiv \exists \: s \: \exists \: t \: \exists \: u \: \forall \: v \: \forall \: w \forall \: x \: \forall \: y \: \psi(s, t, u, v, w, x, y)$ ... or equal to $3$ There exists no model of $\varphi$ with universe size of greater than $7$ Every model of $\varphi$ has a universe of size equal to $7$
Consider the first-order logic sentence$$\varphi \equiv \exists \: s \: \exists \: t \: \exists \: u \: \forall \: v \: \forall \: w \forall \: x \: \forall \: y \: \psi(...
22.2k
views
commented
Dec 5, 2021
Mathematical Logic
gatecse-2018
mathematical-logic
normal
first-order-logic
2-marks
+
–
5
answers
15
GATE IT 2007 | Question: 41
Following table indicates the latencies of operations between the instruction producing the result and instruction using the result. ... to execute the above code segment assuming each instruction takes one cycle to execute? $7$ $10$ $13$ $14$
Following table indicates the latencies of operations between the instruction producing the result and instruction using the result.$$\begin{array}{|l|l|c|} \hline \textb...
23.1k
views
comment edited
Nov 29, 2021
CO and Architecture
gateit-2007
co-and-architecture
machine-instruction
normal
+
–
1
answer
16
GATE CSE 1989 | Question: 4-xiv
For secondary key processing which of the following file organizations is preferred? Give a one line justification: Indexed sequential file organization. Two-way linked list. Inverted file organization. Sequential file organization.
For secondary key processing which of the following file organizations is preferred? Give a one line justification:Indexed sequential file organization.Two-way linked lis...
7.1k
views
commented
Nov 25, 2021
Databases
gate1989
normal
databases
indexing
descriptive
+
–
2
answers
17
GATE CSE 2013 | Question: 35
Consider the following relational schema. Students(rollno: integer, sname: string) Courses(courseno: integer, cname: string) Registration(rollno: integer, courseno: integer, percent: real) Which of the following queries are equivalent to this query in English? Find the distinct names of ... I, II, III and IV I, II and III only I, II and IV only II, III and IV only
Consider the following relational schema.Students(rollno: integer, sname: string)Courses(courseno: integer, cname: string)Registration(rollno: integer, courseno: integer,...
15.0k
views
commented
Nov 24, 2021
Databases
gatecse-2013
databases
sql
relational-calculus
normal
+
–
5
answers
18
GATE CSE 2007 | Question: 51
Consider the following C program segment: int IsPrime (n) { int i, n; for (i=2; i<=sqrt(n);i++) if(n%i == 0) {printf("Not Prime \n"); return 0;} return 1; } Let $T(n)$ denote number of times the $for$ loop is executed by the program on input $n$. Which of ... $T(n) = O(n) \: \text{ and } T(n) = \Omega(\sqrt{n})$ None of the above
Consider the following C program segment:int IsPrime (n) { int i, n; for (i=2; i<=sqrt(n);i++) if(n%i == 0) {printf("Not Prime \n"); return 0;} return 1; }Let $T(n)$ deno...
14.5k
views
answered
Nov 23, 2021
Algorithms
gatecse-2007
algorithms
time-complexity
normal
+
–
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