Recent questions without answers / GATE Overflow for GATE CSE

0 votes

0 answers

4111

#Rosen exercise-1 ,question-71 counting
use mathematical induction to prove the sum rule for m tasks from the sum rule for two tasks.

use mathematical induction to prove the sum rule for m tasks from the sum rule for two tasks.

sandeep singh gaur

256 views

sandeep singh gaur asked May 31, 2019

0 votes

0 answers

4112

Admission Query BITS
BITS CS (High fees,13400 stipend, practice school in top firms in 4th sem) IIITA IT(Less fees,12400 stipend, no internship/practice school) Which one should be preferred considering 1. Good placement 2.Brand value 3.Alumni network

BITS CS (High fees,13400 stipend, practice school in top firms in 4th sem)IIITA IT(Less fees,12400 stipend, no internship/practice school)Which one should be preferred co...

jatin khachane 1

1.2k views

jatin khachane 1 asked May 31, 2019

0 votes

0 answers

4113

Google foo-bar
Hi guys , I got Google's invitation for foo-bar challenge. I think i can go for one or two level but not further with current level of practice. So without requesting for the problem , does anyone know how long I can keep it logged in ?

Hi guys ,I got Google's invitation for foo-bar challenge.I think i can go for one or two level but not further with current level of practice.So without requesting for th...

HeadShot

250 views

HeadShot asked May 30, 2019

0 votes

0 answers

4114

Bits HD 2019
In a microprocessor, size of register is generally: Lesser than the size of the data it operates on Greater than the size of the data it operates on Equal to the size of the data it operates on

In a microprocessor, size of register is generally:Lesser than the size of the data it operates onGreater than the size of the data it operates onEqual to the size of th...

manikgupta123

900 views

manikgupta123 asked May 29, 2019

3 votes

0 answers

4115

NIT Jalandhar for MTech
How is NIT Jalandhar for MTech? I have already taken a drop, and I’m getting NIT Jalandhar. Should I go for it or take up a job or do I drop again?

How is NIT Jalandhar for MTech? I have already taken a drop, and I’m getting NIT Jalandhar. Should I go for it or take up a job or do I drop again?

Ajit J

894 views

Ajit J asked May 29, 2019

0 votes

0 answers

4116

Virtual Gate Test Series: Databases - Schedules
A' is set of all possible schedules 'C' is set of all possible schedules that are guaranteed to produce a correct final result 'S' is the set of all serializable schedules 'P' is the set of all schedules possible under 2-phase locking protocol Which is FALSE? $P\subseteq C$ $S\subset P$ $S\subseteq P$ $P\subset C$

A' is set of all possible schedules'C' is set of all possible schedules that are guaranteed to produce a correct final result'S' is the set of all serializable schedules'...

aditi19

1.1k views

aditi19 asked May 28, 2019

0 votes

0 answers

4117

Trigonometry-Doubt
$1)$What is the value of $\sin 15^{o}$ $\sin 15^{o}=\sin \left ( 60^{o}-45^{o} \right )$ $=\sin 60^{o}.\cos 45^{o}-\cos 60^{o}.\sin 45^{o}$ ... $=\frac{\sqrt{3}-1}{2\sqrt{2}}=0.258$ Is it correct? $2)$ $\sin 80^{o}$ value=_____________ Is it possible to do?

$1)$What is the value of $\sin 15^{o}$$\sin 15^{o}=\sin \left ( 60^{o}-45^{o} \right )$ $=\sin 60^{o}.\cos 45^{o}-\cos 60^{o}.\sin 45^{o}$ ...

srestha

363 views

srestha asked May 28, 2019

0 votes

0 answers

4118

Aptitude-(Recruitment Ques)
The value of $\sin 120^{o}+\sin 780^{o}-\cos 360^{o}$ $=(\sin (90^{o}\times 2)-60^{o})+\left ( \sin \left ( 90^{o}\times 8 \right )+60^{o} \right )-\left ( \cos (90^{o}\times 4)+0^{o} \right )$ $=\frac{\sqrt{3}}{2}+\frac{\sqrt{3}}{2}-1=0.73$ right??

The value of $\sin 120^{o}+\sin 780^{o}-\cos 360^{o}$ $=(\sin (90^{o}\times 2)-60^{o})+\left ( \sin \left ( 90^{o}\times 8 \right )+60^{o} \right ...

srestha

330 views

srestha asked May 28, 2019

0 votes

0 answers

4119

#login problems
Hello sir!! I got in to a serious problem ..I have forgotetn the login password of Gate overflow..Cant do login from my Laptop or any other device..Currently I am using The app..but I need to login in my laptop..How can I reset my password ?..Pls help me it's necessary and a bit urgent

Hello sir!! I got in to a serious problem ..I have forgotetn the login password of Gate overflow..Cant do login from my Laptop or any other device..Currently I am using T...

Ritabrata Dey

180 views

Ritabrata Dey asked May 28, 2019

1 votes

0 answers

4120

Ace booklet functions page:152 q.no 44
Let A, B, C are k element sets and let S be an n element set where k<=n. How many triples of functions f:A->S, g:B->S, h:C->S are there such that f, g and h are all injective and f(A) =g(B) =h(C) =?

Let A, B, C are k element sets and let S be an n element set where k<=n. How many triples of functions f:A->S, g:B->S, h:C->S are there such that f, g and h are all injec...

chandan2teja

218 views

chandan2teja asked May 27, 2019

0 votes

0 answers

4121

#CLRS #Algorithm Doubt about randomized QuickSort.

iarnav

1.0k views

iarnav asked May 27, 2019

0 votes

0 answers

4122

Ace workbook lattice concept
If X is minimum element of S then X is related to y for all y belongs to S. Let [S;R] be a poset. If every non empty subset of S has a minimum element then a) S is Totally ordered set b) S is bounded set. C) S is complemented ... then 1 will be part of every non empty subset of S. Is this correct way of interpreting the question. If not can you please elaborate it

If X is minimum element of S then X is related to y for all y belongs to S. Let [S;R] be a poset. If every non empty subset of S has a minimum element thena) S is Totally...

chandan2teja

236 views

chandan2teja asked May 26, 2019

0 votes

0 answers

4123

Research in IIT Roorkee
What is the scope of research and phd in and after mtech from iit roorkee??

What is the scope of research and phd in and after mtech from iit roorkee??

sahil_malik

539 views

sahil_malik asked May 25, 2019

1 votes

0 answers

4124

Allen Career Institute:Circular Queue
$1)$How circular queue can be implemented? $2)$ For which data structure circular queue cannot be implemented? $(A)$Array $(B)$ Singly Linked List $(C)$ Doubly Linked List $(D)$ Stack

$1)$How circular queue can be implemented?$2)$ For which data structure circular queue cannot be implemented?$(A)$Array $(B)$ Singly Linked List $(C)$ Doubly Linked List...

srestha

1.3k views

srestha asked May 24, 2019

0 votes

0 answers

4125

doubly linked linked list
why we use double pointer struct Node** head here? can anyone explain with details /* Given a reference (pointer to pointer) to the head of a DLL and an int, appends a new node at the end */ void append(struct Node** head_ref, int new_data) { struct Node* ... } while (last->next != NULL) last = last->next; last->next = new_node; new_node->prev = last; return; }

why we use double pointer struct Node head here? can anyone explain with details /* Given a reference (pointer to pointer) to the head of a DLL and an int, appends a new...

Arun Rout

602 views

Arun Rout asked May 24, 2019

0 votes

0 answers

4126

#DBMS_ER Model
A university database contains information about professors (identified by SSN) and courses (identified by courseid). Professors teach courses; each of the following situations concerns the Teaches relationship set. For below situation, draw the ER diagram: ... in a team can teach the course. Model this situation introducing additional entity sets and relationship sets if necessary.

A university database contains information about professors (identified by SSN) and courses (identified by courseid). Professors teach courses; each of the following situ...

Sumiran Agrawal

900 views

Sumiran Agrawal asked May 24, 2019

0 votes

0 answers

4127

Computer Networks -email
How will you send an e-mail to someone when you have neither the recipient's e-mail address nor the e-mail application.

How will you send an e-mail to someone when you have neither the recipient's e-mail address nor the e-mail application.

shraddha priya

714 views

shraddha priya asked May 22, 2019

0 votes

0 answers

4128

Self Doubt :automata
Is Mealy machine and Moore Machine in syllabus?

Is Mealy machine and Moore Machine in syllabus?

Hirak

302 views

Hirak asked May 22, 2019

0 votes

0 answers

4129

Number System (self doubts)
mam how convert into hexadecimal

mamhow convert into hexadecimal

altamash

424 views

altamash asked May 22, 2019

1 votes

0 answers

4130

Made Easy Test Series:Databases-Tables
Number of tables required in above ER diagram will be _____________ Is $R_{1}$ create separate table or not?? and $R_{2}$ look like if we remove loop from it?? Answer given for table $E_{1}R_{1}$ Key will be $AC$ , with ... Entities. So, it will add one extra table. I already read https://gateoverflow.in/229580/madeeasy-test-series-number-of-tables-required

Number of tables required in above ER diagram will be _____________Is $R_{1}$ create separate table or not?? and $R_{2}$ look like if we remove loop from it??Answer given...

srestha

803 views

srestha asked May 22, 2019

6 votes

0 answers

4131

IISc CSA - Research Interview Question
Prove that the rank of the Adjacency Matrix which is associated with a $k-$ regular graph is $k.$

Prove that the rank of the Adjacency Matrix which is associated with a $k-$ regular graph is $k.$

ankitgupta.1729

687 views

ankitgupta.1729 asked May 22, 2019

0 votes

0 answers

4132

PIPELINING.
How to find number of stall cycles and branch penalty & CPI in a branched instruction pipelining?

How to find number of stall cycles and branch penalty & CPI in a branched instruction pipelining?

Ritabrata Dey

406 views

Ritabrata Dey asked May 21, 2019

1 votes

0 answers

4133

GEEKSFORGEEKS ALGO
What does it mean when we say that an algorithm X is asymptotically more efficient than Y? (A) X will be a better choice for all inputs (B) X will be a better choice for all inputs except small inputs (C) X will be a better choice for all inputs except large ... is it always the case?? At some points it might be true but I do not think this is the case for each and every input..

What does it mean when we say that an algorithm X is asymptotically more efficient than Y?(A) X will be a better choice for all inputs(B) X will be a better choice for al...

Hirak

7.5k views

Hirak asked May 20, 2019

1 votes

0 answers

4134

Recurrence Relation-Self Doubt(Discrete Math+Algo)
Let $A(n)$ denotes the number of $n$ bit binary strings which have no pair of consecutive $1’s.$ what will be recurrence relation for it and what will be it’s Time Complexity??

Let $A(n)$ denotes the number of $n$ bit binary strings which have no pair of consecutive $1’s.$ what will be recurrence relation for it and what will be it’s Time Co...

srestha

640 views

srestha asked May 19, 2019

0 votes

0 answers

4135

Self Doubt:Operating System-Threads
User level threads doesnot require context switching- This is a true statement (Because OS cannot recognize user level threads) Can somebody elaborate more on it?? This given answer is wrong I think:https://gateoverflow.in/290648/made_easy_test_series Plz check

User level threads doesnot require context switching- This is a true statement (Because OS cannot recognize user level threads)Can somebody elaborate more on it??This giv...

srestha

679 views

srestha asked May 19, 2019

0 votes

0 answers

4136

jnu mtech 2016- 47
Which of the following is not true about Turing machine? (a) It can accept any palindrome (b) It can accept any context free language (c) It can accept {a^m b^n c^mn:m,n>=0 (d) One tape Turing machine can be converted into C++ programs

Which of the following is not true about Turing machine?(a) It can accept any palindrome(b) It can accept any context free language(c) It can accept {a^m b^n c^mn:m,n>=0(...

MonikaV

241 views

MonikaV asked May 19, 2019

1 votes

0 answers

4137

IIIT-H INTERVIEW
Why does OS and DBMS have their own synchronisation mechanisms, when OS can alone do it and it sits at the bottom of DB?

Why does OS and DBMS have their own synchronisation mechanisms, when OS can alone do it and it sits at the bottom of DB?

shraddha priya

1.1k views

shraddha priya asked May 18, 2019

0 votes

0 answers

4138

Admission through ccmt
In second round of ccmt i got nit warangal cs-is and if i float again for third round i can get nit surathakal cs ,so for third round should i float or internal sliding for cs of warangal ??please help

In second round of ccmt i got nit warangal cs-is and if i float again for third round i can get nit surathakal cs ,so for third round should i float or internal sliding f...

Prateek Raghuvanshi

1.1k views

Prateek Raghuvanshi asked May 18, 2019

1 votes

0 answers

4139

Self Doubt:Mathematical Logic
Represent these two statement in first order logic: $A)$ Only Alligators eat humans $B)$ Every Alligator eats humans Is Every represents $\equiv \exists$ and Only represents $\equiv \forall$ ?? Can we differentiate it with verb ‘eat’ and ‘eats’??

Represent these two statement in first order logic:$A)$ Only Alligators eat humans$B)$ Every Alligator eats humansIs Every represents $\equiv \exists$and Only represents ...

srestha

564 views

srestha asked May 18, 2019

1 votes

0 answers

4140

Made Easy Test Series: Algorithm-Reverse Polish Notation
Consider the new-order strategy for traversing a binary tree: Visit the root Visit the right subtree using new-order Visit the left subtree using new-order The new-order traversal of expression tree corresponding to the reverse polish expression 3 4 * 5 – 2 ^ 6 7 * 1 + – What will be expression, any procedure for it??

Consider the new-order strategy for traversing a binary tree:Visit the rootVisit the right subtree using new-orderVisit the left subtree using new-orderThe new-order trav...

srestha

589 views

srestha asked May 16, 2019

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