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User akb1115
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Recent activity by akb1115
1
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1
How to solve #defined ?
What is the output of the following C program? #include<stdio.h> #define SQR(x) (x*x) int main() { int a; int b=4; a=SQR(b+2); printf("%d\n",a); return 0; } 14 36 18 20
commented
in
Programming in C
Mar 2, 2018
403
views
programming-in-c
0
answers
2
where to look for my predicted score (CSE) gate 2018?
commented
in
GATE
Feb 18, 2018
589
views
score
calculator
1
answer
3
self doubt
what is the difference between estimated rank and current rank in GO RANK PREDICTOR?? I have a lot of difference between those both what should be considered ? some one please clarify
commented
in
Others
Feb 15, 2018
1.4k
views
others
2
answers
4
Output Under Dynamic Scoping
#include<stdio.h> int x=10; int main() { static int x=10; x+=f1()+f2()+f3()+f1(); printf("%d",x); return 0; } int f1(){static int x=25;x++;return x;} int f2(){int x=50;x++;return x;} int f3(){x*=10;return x;} What is the output of the above code, if dynamic scoping is used.
commented
in
Programming in C
Feb 1, 2018
2.0k
views
dynamic-scoping
programming
2
answers
5
self-doubt
this year power grid is not recruiting cs?
commented
in
Job Queries
Jan 8, 2018
585
views
9
answers
6
GATE CSE 2005 | Question: 44
What is the minimum number of ordered pairs of non-negative numbers that should be chosen to ensure that there are two pairs $(a,b)$ and $(c,d)$ in the chosen set such that, $a \equiv c\mod 3$ and $b \equiv d \mod 5$ $4$ $6$ $16$ $24$
commented
in
Combinatory
Dec 26, 2017
13.2k
views
gatecse-2005
set-theory&algebra
normal
pigeonhole-principle
0
answers
7
Test Series
Consider the following graph: Which of the following will represents the chromatic number of the graph? I think ans has to be 3 but given as 4
asked
in
Graph Theory
Dec 24, 2017
379
views
graph-theory
graph-coloring
1
answer
8
recurrence relation
Which recurrence relation satisfy the sequence: 2, 3, 4, . . ., for n ≥ 1. A ) T(N) = 2 T(N-1) - T(N-2) B)T(N) = T(N-1) + T(N-2) C)T(N) = N+1 D) None of these
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in
Mathematical Logic
Dec 24, 2017
2.1k
views
recurrence-relation
3
answers
9
Test by Bikram | Algorithms | Test 2 | Question: 24
Given $n$ number of linearly ordered distinct elements, what will be the worst case time complexity to find $p$-th smallest element $(1 \leq p \leq n)$ from these $n$ elements when $n > 50$? $O(n \log n)$ $O(n^2)$ $O(n)$ $O(\log n)$
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in
Algorithms
Dec 12, 2017
685
views
tbb-algorithms-2
4
answers
10
GATE2012 CY: GA-9
There are eight bags of rice looking alike, seven of which have equal weight and one is slightly heavier. The weighing balance is of unlimited capacity. Using this balance, the minimum number of weighings required to identify the heavier bag is $2$ $3$ $4$ $8$
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in
Analytical Aptitude
Dec 9, 2017
8.8k
views
gate2012-cy
analytical-aptitude
logical-reasoning
7
answers
11
GATE IT 2006 | Question: 67
A link of capacity $100$ $\text{Mbps}$ is carrying traffic from a number of sources. Each source generates an on-off traffic stream; when the source is on, the rate of traffic is $10$ $\text{Mbps}$, and when the source is off, the rate of traffic is zero. The duty cycle, which ... $\text{and}$ $30$ $12$ $\text{and}$ $25$ $5$ $\text{and}$ $33$ $15$ $\text{and}$ $22$
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in
Computer Networks
Dec 9, 2017
11.1k
views
gateit-2006
computer-networks
network-flow
normal
1
answer
12
Pointer arithmetic
What is the output of the following ? int main() { int arr[2][3][2]={1,2,3,4,5,6,7,8,9,10,11,12}; printf("%d%d", a[1]-a[0], a[1][0]-a[0][0]); return 0; }
answer selected
in
Programming in C
Dec 7, 2017
1.4k
views
programming-in-c
pointers
2
answers
13
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
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in
Databases
Nov 21, 2017
14.9k
views
gatecse-2013
databases
sql
relational-calculus
normal
1
answer
14
Flip flops
Consider the complemented circuit shown below: If the initial value of the output Q1 Q0 is 00, then the next three values of Q1 Q0 are:- 10,01,01,00 10,01,11,00 10,01,00,01 10,01,10,00 Doubt:- I am getting a sequence which is not matching with any of the option
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in
Digital Logic
Nov 8, 2017
1.2k
views
digital-logic
flip-flop
digital-circuits
digital-counter
sequential
0
answers
15
self doubts
A) Does digital signature provide privacy B) when questions are asked like RIP uses TCP or UDP, SMTP uses what etc etc....how do we know if it requires TCP or UDP...its smtn we should know or is there a way to find it or something C) Is Back ... address of the receiver contains all 0's -true or false F) what is hamming distance and to detect d errors the hamming distance should be?
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in
Computer Networks
Oct 31, 2017
465
views
0
answers
16
#Collisions
commented
in
Computer Networks
Oct 30, 2017
297
views
computer-networks
mac-protocol
csma-cd
0
answers
17
CSMA/CD
A simple network consist of two nodes X and Z which are 800 m apart. Each node has a single frame of F = 1500 bits (including all header and preambles) to send to each other. Both nodes attempt to transmit at t = 0'. In case that a node executes the exponential Back-off ... = 1 and Z draws k = 2. The time taken by X's packet (from t = 0) to be completely delivered to Z is ________ μs.
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in
Computer Networks
Oct 30, 2017
881
views
computer-networks
csma-cd
ethernet
0
answers
18
Test by Bikram | Computer Networks | Test 1 | Question: 9
Internet address always have at least: A country name or organization type Internet service provider's name Name of organization Name of individual Type of organization ii, iii,iv i, iii i,ii,iii ii,iii,iv,v
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in
Computer Networks
Oct 30, 2017
547
views
tbb-cn-1
0
answers
19
Cryptography
Can a single secret key can be used by the sender to sign documents for multiple receiver ? I think we can because purpose of digital signature is to make sure that on the way data is not corrupted and also it is coming from the source expected by us.
commented
in
Computer Networks
Oct 30, 2017
634
views
network-security
computer-networks
1
answer
20
MadeEasy Subject Test: Computer Networks - Congestion Control
Assume a scenario where the size of congestion window of a TCP connection be 40 KB when a timeout occurs. The maximum segment size (MSS) be 2 KB. Let the propagation delay be 200 msec. The time taken by the TCP connection to get back to 40 KB congestion window is _________ msec.
commented
in
Computer Networks
Oct 30, 2017
955
views
made-easy-test-series
computer-networks
congestion-control
tcp
2
answers
21
made easy
Assume scenario where the size of CW of TCP connection is 40 KB when time out occurs ,MSS= 2KB ,Propagation delay = 200 msec , the time taken by TCP connection to get back 40KB CW is …msec CW = congestion window
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in
Computer Networks
Oct 30, 2017
525
views
2
answers
22
EM: Limits
Please solve the following question:
commented
in
Calculus
Oct 29, 2017
586
views
calculus
limits
engineering-mathematics
0
answers
23
Counting
How many ways 20 distinct numbers can be arranged in location/index 1 to 20 such that,three particular numbers(say 3,10,20) will always be present in the first half.(3,10,20 location/index will be always <11) ?
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in
Combinatory
Oct 29, 2017
287
views
discrete-mathematics
combinatory
counting
1
answer
24
Linked List
Consider the following program struct node { int value; Node *next; } boolean fun(Node *head) { Node *a,*b; a=head; if(a==NULL) return TRUE; b=a->next; while(b!=NULL && b!=a) { b=b->next; if(b==NULL) return TRUE; b=b->next; a=a->next; } return(b==NULL); } Is the following code return this? a)
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in
DS
Oct 29, 2017
636
views
linked-list
data-structures
2
answers
25
CN:Transport Layer: Data Transfer
What should be the value of Y, when P has no data to send to Q?
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in
Computer Networks
Oct 29, 2017
1.1k
views
computer-networks
transport-layer
2
answers
26
Fragmentation
A TCP message consisting of 2800 bytes is passed to IP for delivery across two networks. The first network can carry a maximum payload of 1500 bytes per frame and the second network can carry a maximum payload of 500 bytes per frame, excluding network overhead. ... IP overhead in the second network for this transmission? Doubt:- Answer is given as 120 Bytes but I am getting 140 Bytes
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in
Computer Networks
Oct 28, 2017
1.7k
views
fragmentation
computer-networks
0
answers
27
Multiplexer select lines confusion
Here how do we know which variable of select lines is MSB and LSB ? Do we go in MSB->LSB ordering and take A as MSB and B as LSB or do we go by number taking B as MSB (as it is S1) and A as LSB (as it is S0) ?
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in
Digital Logic
Oct 28, 2017
2.8k
views
digital-logic
1
answer
28
Computer Network | Optimum Packet Size
I think my answer is right ...Please Explain
commented
in
Computer Networks
Oct 28, 2017
1.8k
views
ip-packet
computer-networks
7
answers
29
GATE IT 2005 | Question: 85b
Consider a simple graph with unit edge costs. Each node in the graph represents a router. Each node maintains a routing table indicating the next hop router to be used to relay a packet to its destination and the cost of the path to the destination through that router. Initially, the ... $(t + 100)$ is : $>100$ but finite $\infty$ $3$ $>3$ and $\leq 100$
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in
Computer Networks
Oct 28, 2017
14.6k
views
gateit-2005
computer-networks
routing
normal
1
answer
30
cpu scheduling
commented
in
Operating System
Oct 27, 2017
521
views
operating-system
process-scheduling
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