Login
Register
@
Dark Mode
Profile
Edit my Profile
Messages
My favorites
Register
Activity
Q&A
Questions
Unanswered
Tags
Subjects
Users
Ask
Previous Years
Blogs
New Blog
Exams
Dark Mode
Filter
User learner_geek
Wall
Recent activity
All questions
All answers
Exams Taken
All Blogs
Questions by learner_geek
1
vote
0
answers
1
aptitute
The no. of ways to distribute n items among r people where each gets zero or more items. please give the detailed formula for this or give any good example.
asked
in
Quantitative Aptitude
Feb 2, 2019
354
views
aptitute
calender
0
votes
3
answers
2
propositional logic
which of the following is tautology? (¬P^(P->q))->¬q ¬(p->q)->¬q [(¬p^q)^[q->(p->q)]]->¬r Both (B) and(C) please explain in detail how to check for especially for condition (C) Because “r” is only in RHS but not in LHS of this implication.
asked
in
Mathematical Logic
Jan 22, 2019
1.0k
views
propositional-logic
discrete-mathematics
mathematical-logic
first-order-logic
engineering-mathematics
0
votes
0
answers
3
probability
Probability density function of a random variable X is distributed uniformly between 0 and 10 The probability that X lies between 2.5 to 7.5 and the mean square value of X are respectively. please give step by step answer in a detailed manner.
asked
in
Probability
Jan 21, 2019
583
views
probability
engineering-mathematics
random-variable
conditional-probability
2
votes
3
answers
4
probability
In a lottery, 10 tickets are drawn at random out of 50 tickets numbered from 1 to 50. What is the expected value of the sum of numbers on the drawn tickets?
asked
in
Mathematical Logic
Jan 20, 2019
3.9k
views
probability
engineering-mathematics
conditional-probability
random-variable
3
votes
1
answer
5
probability
A player tosses two fair coins. He wins rs 2 if 2 heads occur and rs 1 if 1 head occurs. On the other hand, he loses rs 3 if no heads occur. if the player plays 100 times.then the amount he wins______________(RS).
asked
in
Mathematical Logic
Jan 20, 2019
646
views
probability
engineering-mathematics
random-variable
conditional-probability
0
votes
1
answer
6
probability
Let X and Y be two exponentially distributed and independent random variables with mean α and β, respectively. If Z = max (X, Y), then the mean of Z is…. please explain in detail… https://gateoverflow.in/3676/gate2004-it-33 for min(X, Y) solution is already given as question asked in gate 2004. what about max(X, Y).
asked
in
Mathematical Logic
Jan 17, 2019
313
views
1
vote
1
answer
7
Natural join
My answer is not matching with any of the option.so what is the correct answer
asked
in
Databases
Jan 24, 2018
1.3k
views
natural-join
databases
relational-algebra
sql
2
votes
0
answers
8
CONTEXT SWITCH
Context switches can occur only in kernel mode. So for process switches first we have to move from user to kernel mode. Then we have to save the PCB of the process from which we are taking off CPU and then we have to load PCB of the required ... only for process switches, not for threads are the above-given statement and its explanation is true or not??if not please correct it!
asked
in
Operating System
Jan 2, 2018
1.2k
views
operating-system
context-switch
process-scheduling
2
votes
1
answer
9
Relational algebra
Consider the relations r1(P, Q, R) and r2(R, S, T) with primary keys P and R respectively. The relation r1 contains 2000 tuples and r2 contains 2500 tuples. The maximum size of the join r1⋈ r2 is equal to r2⋈ r1 true or false?
asked
in
Databases
Dec 3, 2017
1.7k
views
relational-calculus
joins
relations
relational-algebra
databases
1
vote
0
answers
10
ER model
If two tables A and B given with relationship table R. Min number of tables possible if below conditions given 1) R is 1:1 2) R is m:n 3)R is 1:m 4)R is m:1 5)total participation of A in R 6)total participation of A and B both in R
asked
in
Databases
Dec 2, 2017
477
views
relational
er-to-relational
er-diagram
relational-algebra
1
vote
0
answers
11
MadeEasy Test Series: Databases - Transactions
Deadlock prevention(wait-kill && wound-wait) is free from both starvation as well as deadlock? True or false?
asked
in
Databases
Dec 1, 2017
367
views
transaction-and-concurrency
databases
test-series
made-easy-test-series
deadlock-prevention
1
vote
0
answers
12
MadeEasy Subject Test: Databases - Transactions
In below schedule (S) it has cascading abort or not?
asked
in
Databases
Dec 1, 2017
417
views
made-easy-test-series
databases
transaction-and-concurrency
0
votes
1
answer
13
Sql query
Please explain below query step by step and what does it mean?
asked
in
Databases
Nov 29, 2017
511
views
sql
databases
self-doubt
relational-calculus
0
votes
0
answers
14
Strict schedule
This is strict schedule or not?
asked
in
Databases
Nov 25, 2017
8.0k
views
databases
transaction-and-concurrency
strict-schedule
concurrency
0
votes
0
answers
15
Avl tree
After inserting element 15 in below avl tree which rotation need to be implement RR or RL
asked
in
Algorithms
Nov 21, 2017
191
views
0
votes
0
answers
16
c Language
#include <stdio.h> int main(void) { int a=3,b,c,d=10,e=20,f; c= ++a + a++ + a++ + ++a; b= ++d + ++d + ++d + ++d; f= ++e + --e + e-- + e++; printf("%d %d\n",a,c); printf("%d %d\n",d,b); printf("%d %d\n",e,f); return 0; } please give the detailed explanation how it works? and what is the output?
asked
in
Programming in C
Nov 18, 2017
654
views
programming-in-c
1
vote
1
answer
17
C language
In char p[] = “hello” when size will be allocated at runtime or at compile time?
asked
in
Programming in C
Nov 17, 2017
353
views
programming-in-c
0
votes
1
answer
18
aptitute
How many five-digit integers can be possible?[NOTE:- not positive integers]
asked
in
Mathematical Logic
Nov 10, 2017
330
views
1
vote
1
answer
19
Asymptotic
which is asymptotically greater n or $2^{logn}$
asked
in
Algorithms
Oct 30, 2017
292
views
algorithms
asymptotic-notation
1
vote
0
answers
20
Difference between???
Difference between (log^2) (n) ,log^2 n, log (log(n)) and (log(n)) ^2?
asked
in
Mathematical Logic
Oct 30, 2017
1.5k
views
logarithms
Page:
1
2
3
4
5
next »
Subscribe to GATE CSE 2024 Test Series
Subscribe to GO Classes for GATE CSE 2024
Quick search syntax
tags
tag:apple
author
user:martin
title
title:apple
content
content:apple
exclude
-tag:apple
force match
+apple
views
views:100
score
score:10
answers
answers:2
is accepted
isaccepted:true
is closed
isclosed:true
Recent Posts
Post GATE 2024 Guidance [Counseling tips and resources]
GATE CSE 2024 Result Responses
[Project Contest] Pytorch backend support for MLCommons Cpp Inference implementation
Participating in MLCommons Inference v4.0 submission (deadline is February 23 12pm IST)
IIITH PGEE 2024 Test Series by GO Classes
Subjects
All categories
General Aptitude
(3.5k)
Engineering Mathematics
(10.4k)
Digital Logic
(3.6k)
Programming and DS
(6.2k)
Algorithms
(4.8k)
Theory of Computation
(6.9k)
Compiler Design
(2.5k)
Operating System
(5.2k)
Databases
(4.8k)
CO and Architecture
(4.0k)
Computer Networks
(4.9k)
Artificial Intelligence
(79)
Machine Learning
(48)
Data Mining and Warehousing
(25)
Non GATE
(1.4k)
Others
(2.7k)
Admissions
(684)
Exam Queries
(1.6k)
Tier 1 Placement Questions
(17)
Job Queries
(80)
Projects
(11)
Unknown Category
(870)
64.3k
questions
77.9k
answers
244k
comments
80.0k
users
Recent Blog Comments
category ?
Hi @Arjun sir, I have obtained a score of 591 in ...
download here
Can you please tell about IIT-H mtech CSE self...
Please add your admission queries here:...