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Answers by Kantikumar
1
vote
1
Networking-Kurose ross
in CSMA/CD after Fifth collision ,what is the probability that a Node choose K=4? The result k=4 correspond to how many seconds delay on a 10 Mbps Ethernet? k is standard notation here
answered
in
Computer Networks
Jun 19, 2017
8.8k
views
computer-networks
4
votes
2
Gate 2017 Set 1
I am expecting 52 marks without normalization in set 1. OBC category. Can anyone please tell me what chances do i stand in getting into any of the IIT's ? Thanks in advance for the reply.
answered
in
IISc/IITs
Feb 16, 2017
1.4k
views
admission-gate2017
70
votes
3
GATE CSE 2017 Set 1 | Question: 40
Recall that Belady's anomaly is that the page-fault rate may increase as the number of allocated frames increases. Now, consider the following statements: $S_1$: Random page replacement algorithm (where a page chosen at random is replaced) suffers from Belady's ... is true, $S_2$ is false $S_1$ is false, $S_2$ is true $S_1$ is false, $S_2$ is false
answered
in
Operating System
Feb 14, 2017
15.0k
views
gatecse-2017-set1
page-replacement
operating-system
normal
44
votes
4
GATE CSE 2017 Set 1 | Question: 45
The values of parameters for the Stop-and-Wait ARQ protocol are as given below: Bit rate of the transmission channel $= 1$ Mbps. Propagation delay from sender to receiver $= 0.75$ ms. Time to process a frame $= 0.25$ ms. Number ... (expressed in percentage) of the Stop-and-Wait ARQ protocol for the above parameters is _____________ (correct to $2$ decimal places).
answered
in
Computer Networks
Feb 14, 2017
32.6k
views
gatecse-2017-set1
computer-networks
stop-and-wait
numerical-answers
normal
57
votes
5
GATE CSE 2017 Set 1 | Question: 18
Threads of a process share global variables but not heap heap but not global variables neither global variables nor heap both heap and global variables
answered
in
Operating System
Feb 14, 2017
16.8k
views
gatecse-2017-set1
operating-system
threads
52
votes
6
GATE CSE 2017 Set 1 | Question: 20
Let $T$ be a tree with $10$ vertices. The sum of the degrees of all the vertices in $T$ is ________
answered
in
DS
Feb 14, 2017
18.6k
views
gatecse-2017-set1
data-structures
tree
easy
numerical-answers
11
votes
7
GATE CSE 2017 Set 1 | Question: 01
The statement $\left ( ¬p \right ) \Rightarrow \left ( ¬q \right )$ is logically equivalent to which of the statements below? $p \Rightarrow q$ $q \Rightarrow p$ $\left ( ¬q \right ) \vee p$ $\left ( ¬p \right ) \vee q$ I only I and IV only II only II and III only
answered
in
Mathematical Logic
Feb 14, 2017
8.9k
views
gatecse-2017-set1
mathematical-logic
propositional-logic
easy
52
votes
8
GATE CSE 2017 Set 2 | Question: 37
Consider the C program fragment below which is meant to divide $x$ by $y$ using repeated subtractions. The variables $x$, $y$, $q$ and $r$ are all unsigned int. while (r >= y) { r=r-y; q=q+1; } Which of the following conditions on the variables $x, y, q$ and $r$ ... $(q==0) \ \&\& \ (y>0)$
answered
in
Programming in C
Feb 14, 2017
14.0k
views
gatecse-2017-set2
programming
loop-invariants
63
votes
9
GATE CSE 2017 Set 2 | Question: 20
The maximum number of $\textsf{IPv4}$ router addresses that can be listed in the record route (RR) option field of an $\textsf{IPv4}$ header is______.
answered
in
Computer Networks
Feb 14, 2017
16.3k
views
gatecse-2017-set2
computer-networks
ip-addressing
numerical-answers
49
votes
10
GATE CSE 2017 Set 2 | Question: 12
Given the following binary number in $32$-bit (single precision) $\text{IEEE-754}$ format : $\large 00111110011011010000000000000000$ The decimal value closest to this floating-point number is : $1.45*10^1$ $1.45*10^{-1}$ $2.27*10^{-1}$ $2.27*10^1$
answered
in
Digital Logic
Feb 14, 2017
21.6k
views
gatecse-2017-set2
digital-logic
number-representation
floating-point-representation
ieee-representation
10
votes
11
GATE CSE 2006 | Question: 18
We are given a set $X = \{X_1,\ldots,X_n\}$ where $X_i=2^i$. A sample $S\subseteq X$ is drawn by selecting each $X_i$ independently with probability $P_i = \frac{1}{2}$ . The expected value of the smallest number in sample $S$ is: $\left(\frac{1}{n}\right)$ $2$ $\sqrt n$ $n$
answered
in
Probability
Feb 3, 2017
14.3k
views
gatecse-2006
probability
expectation
normal
3
votes
12
MadeEasy Subject Test: Operating System - Process Synchronization
answered
in
Operating System
Jan 2, 2017
820
views
made-easy-test-series
operating-system
process-synchronization
6
votes
13
TIFR CSE 2016 | Part A | Question: 7
Let $S$ be the $4 \times 4$ square grid $\{(x, y): x, y \in \{0, 1, 2, 3\} \}$. A $monotone \: \: path$ in this grid starts at $(0, 0)$ and at each step either moves one unit up or one unit right. For example, from the point $(x, y)$ one ... many distinct monotone paths are there to reach point $(3, 3)$ starting from $(0, 0)$? $2z+6$ $3z+6$ $2z+8$ $3z+8$ $3z+4$
answered
in
Combinatory
Dec 27, 2016
728
views
tifr2016
combinatory
counting
7
votes
14
Schedules
$1)$ Find the number of all possible conflict-equivalent and view-equivalent schedules to the following serial schedules. (a) r1(A), w1(B), r2(A), w2(B), r3(A), w3(B).
answered
in
Databases
Dec 25, 2016
4.9k
views
transaction-and-concurrency
conflict-serializable
view-serializable
0
votes
15
Self TCP
Why one of the causes of Silly Window Syndrome is when the server announces an empty space of 0? I understand the other two cases that is when When client is able to generate only 1 byte at a time When server is able to consume only 1 byte at a time. But why the third one? https://en.wikipedia.org/wiki/Silly_window_syndrome#Solution
answered
in
Computer Networks
Dec 22, 2016
272
views
computer-networks
22
votes
16
GATE CSE 1988 | Question: 2vii
Define the validity of a well-formed formula(wff)?
answered
in
Mathematical Logic
Dec 18, 2016
1.8k
views
gate1988
descriptive
mathematical-logic
propositional-logic
9
votes
17
Ace Test Series: Set Theory & Algebra - Relations
answered
in
Set Theory & Algebra
Dec 16, 2016
693
views
set-theory&algebra
relations
ace-test-series
0
votes
18
TOC_Turing Machine
answered
in
Theory of Computation
Nov 14, 2016
255
views
1
vote
19
DMA anc CPU idle time
Which of the following statements is / are true? A. In DMA approach CPU never gets idle for data transfer. B. In DMA approach, CPU becomes idle whenever DMA controller steals cycle. C. In DMA approach,DMA controller accepts a data transfer ... completing last data transfer request D. In DMA approach, CPU can proceed in parallel, only if next instructions do not need bus
answered
in
Operating System
Nov 11, 2016
2.8k
views
dma
operating-system
3
votes
20
GATE CSE 1995 | Question: 21
Let $G_1$ and $G_2$ be subgroups of a group $G$. Show that $G_1 \cap G_2$ is also a subgroup of $G$. Is $G_1 \cup G_2$ always a subgroup of $G$?.
answered
in
Set Theory & Algebra
Nov 10, 2016
6.4k
views
gate1995
set-theory&algebra
group-theory
normal
descriptive
proof
1
vote
21
Serializability
My doubt is ... when checking serializbility why do we check conflict and view serializability ..i mean result equivalence would be better ... no doubt it would be more complex but if any transaction is giving the same result as serial schedule then ... which has different order of conflicting operations but same result ?? in that case would it be equivalent to serial schedule ??
answered
in
Databases
Nov 10, 2016
254
views
30
votes
22
GATE CSE 1987 | Question: 1-vii
The exponent of a floating-point number is represented in excess-$\text{N}$ code so that: The dynamic range is large. The precision is high. The smallest number is represented by all zeros. Overflow is avoided.
answered
in
Digital Logic
Nov 9, 2016
5.3k
views
gate1987
digital-logic
number-representation
floating-point-representation
5
votes
23
GATE EC-2006
A probability density function density function is of form P(x)= k e ^(-a |x|) , the value of k is A)0.5 B)1 C) 0.5 a D) a
answered
in
Probability
Nov 8, 2016
2.8k
views
1
vote
24
GATE practice question
L = {a^i b^j c^k| i=j=k or i > 1000 } is regular or not.?
answered
in
Theory of Computation
Nov 8, 2016
337
views
regular-language
2
votes
25
Flow control
Consider two links, (A,B) and (B,C), with propagation delays of d1 and d2, respectively. Assume that host A sends M packets to host C using a sliding window flow control protocol with a window of size W. What is the minimum time it take to send all packets from A to C when the flow control ... are negligible (A) 2(d1+d2) Ceil(M/W) (B) (d1+d2) MW (C) 2(d1+d2)ceil(W/M) (D) 2(d1+d2)W
answered
in
Computer Networks
Nov 7, 2016
511
views
5
votes
26
Congestion control is done by
Congestion control is done by Network layer Physical layer Presentation layer Application layer
answered
in
Computer Networks
Sep 6, 2016
4.4k
views
1
vote
27
#sql #dbms
answered
in
Databases
Sep 6, 2016
502
views
databases
sql
3
votes
28
#View Serializability #DBMS
I know that this is Conflict serializable and i know all schedules which are Conflict serializable are also view serializable But still wanted to know what is the view serializable sequence?
answered
in
Databases
Sep 5, 2016
968
views
view-serializable
databases
transaction-and-concurrency
3
votes
29
Permutations combination
A playoff between two teams consists of atmost five games.The first team that wins three games wins the playoff.In how many different ways can the playoff occur?
answered
in
Unknown Category
Sep 3, 2016
2.6k
views
1
vote
30
Recurrence for number of nodes
I have a doubt in this question : https://gateoverflow.in/3811/gate2005-it_50 I am posting this, as there is a very low probability my comment will be replied. I wanted to progress in the solution by forming the recurrence . This was my logic : T(h) : No. ... 3 This is not correct, as T(1) should be 2. It gives 5; T(0)=1 Can anynody help me with correct recurrence?
answered
in
Algorithms
Sep 2, 2016
260
views
algorithms
recurrence-relation
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