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Answers by Habibkhan
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+1
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1
ISRO 2016(Q.7)
The minimum number of NAND gates required to implement the boolean function A+AB(bar)+AB(bar)C is equal to (a)0 (b)1 (c)4 (d)7 .HOW TO SOLVE SUCH TYPE OF QUESTION? WHAT SHOULD BE THE APPROACH?
answered
May 2
in
Digital Logic

81
views
+1
vote
2
Discrete Mathematics Thegatebook
answered
May 1
in
Mathematical Logic

20
views
propositionallogic
0
votes
3
ethernet
if an ethernet station collide 4 times to try to transmit a single frame .How long might it wait to be before the next attempt if time slot 51.2 micro sec ...................micro sec. a. 768 b. 819.2 c.409.6 d. none
answered
May 1
in
Computer Networks

27
views
ethernet
+2
votes
4
PGEE 2017
$\int_{3}^{3} \left  X+1 \right dx$
answered
Apr 30
in
Calculus

51
views
iiithpgee
calculus
+1
vote
5
PGEE 2017
Consider a graph where vertex having number 2 to 12 (including 2 and 12), there is an edge between two vertex x and y iff x divides y What would be maximum path length between any two vertices of graph ?
answered
Apr 30
in
Graph Theory

90
views
iiithpgee
graphtheory
+2
votes
6
theory of computation
Determine whether or not the following language is contextfree. MY ANSWER : The given language is equivalent to L1 = { wwR : where w $\in$ {a,b}* } . And so the given language is Nondeterministic CFL. Please verify ...
answered
Apr 13
in
Theory of Computation

46
views
theoryofcomputation
toc
+1
vote
7
Rosen, Discrete Mathematics
How many bit strings of length eight contain either three consecutive 0s or four consecutive 1s?
answered
Apr 11
in
Combinatory

82
views
combinatorics
inclusionexclusion
+3
votes
8
theory of computation
The language L = {anbm : 2n ≤ m ≤ 3n} is a Non deterministic CFL but not a DCFL right ??? please correct me if i am wrong ...
answered
Apr 5
in
Theory of Computation

24
views
theoryofcomputation
toc
#contextfreelanguage
0
votes
9
ISI 2004 MIII
Q7 The equation $x^{6}5x^{4}+16x^{2}72x+9=0$ has A) Exactly two distinct real roots B) Exactly three distinct real roots C) Exactly four distinct real roots D) six different real roots
answered
Apr 4
in
Set Theory & Algebra

62
views
isi2004
polynomials
+3
votes
10
ISI 2004 MIII
Q11 If $\alpha 1,\alpha 2,...\alpha n$ are the positive numbers then $\frac{a1}{a2}+\frac{a2}{a3}....\frac{an1}{an}+\frac{an}{a1}$ is always A) $\geq n$ B) $\leq n$ C) $\leq$n$\frac{1}{2}$ D) None of the above
answered
Apr 4
in
Set Theory & Algebra

51
views
isi2004
partitions
+5
votes
11
ISI 2004 MIII
Q12 The maximum possible value of xy2z3 subjected to condition x,y,z$\geq 0$ and x+y+z=3 is A) 1 B) $\frac{9}{8}$ C) $\frac{9}{4}$ D) $\frac{27}{16}$
answered
Apr 4
in
Mathematical Logic

42
views
isi2004
engineeringmathematics
+4
votes
12
GATE2017252
If the characteristic polynomial of a 3 $\times$ 3 matrix $M$ over $\mathbb{R}$ (the set of real numbers) is $\lambda^3 – 4 \lambda^2 + a \lambda +30, \quad a \in \mathbb{R}$, and one eigenvalue of $M$ is 2, then the largest among the absolute values of the eigenvalues of $M$ is _______
answered
Feb 14
in
Linear Algebra

1.1k
views
gate20172
engineeringmathematics
linearalgebra
numericalanswers
+14
votes
13
GATE2017248
If a random variable X has a Poisson distribution with mean 5, then the expectation E[(X+2)2] equals ___.
answered
Feb 14
in
Probability

1k
views
gate20172
expectation
poissondistribution
numericalanswers
+4
votes
14
Computer network MSS and MTU
Are these definations of MSS and MTU correct?? MSS is maximum payload of TCP segment. TCP segment (MSS + TCP header) For IPpacket, it consists of (MSS + TCP header + IP header) And payload of IP packet means (TCPheader + ... fragmentation always done at router?? Can it be done by source?? I am really confused about these terms. Plz verify.
answered
Feb 9
in
Computer Networks

697
views
computernetworks
tcp
network
ippacket
ethernet
+7
votes
15
Gate ECE GA 2017
answered
Feb 8
in
Numerical Ability

736
views
aptitude
speeddistance
+2
votes
16
Sequential Circuit
The following sequential circuit has initial state QAQB = 00 with one input X and one output Z. What is the minimum input sequence which takes the machine to state 11? (A) 00 (B) 10 (C) 11 (D) State 11 is not reachable
answered
Feb 8
in
Digital Logic

311
views
virtualgate
digitallogic
sequentialcircuit
+3
votes
17
MADE EASY TEST SERIES
Consider 6 stage pipeline (S1, S2, S3, S4, S5, S6) which allows all the instructions except branch instructions. Processor stops fetching the following instruction after the branch until the target address is available. Target address is available ... are balanced with a 2.3 GHz clock. MIPS rate of the processor is ________ (in 2 decimal places).
answered
Feb 8
in
CO & Architecture

83
views
+6
votes
18
GateBook MockTest2
Suppose datagrams are limited to 1,500 bytes (including header) between source Host A and destination Host B. Assuming a 20byte IP header and a 20byte TCP header, how many datagrams would be required to send an MP3 consisting of 4 million bytes?
answered
Feb 8
in
Computer Networks

330
views
computernetworks
gatebook_mt2
ippacket
+2
votes
19
gatebook mock 2
Consider the collection of all un directed graphs with 10 nodes and 6 edges. Let M and m, respectively, be the maximum and minimum number of connected components in any graph in the collection. If a graph has no self loops and there is at most one edge between any pair of nodes, ... 10, m = 1 (C) M = 7, m = 4 (D) M = 6, m = 4 Shouldn't the answer be D?
answered
Feb 8
in
Graph Theory

132
views
gatebook_mt2
+3
votes
20
Gatebook mock
answered
Feb 8
in
CO & Architecture

338
views
gatebook_mt2
co&architecture
speedup
+3
votes
21
Type of error
a) Lexical Error b) Syntax error c) Both a and b d) None of these
answered
Feb 7
in
Compiler Design

171
views
+3
votes
22
Decidability
Ambiguity of DCFL and CFL is decidable or not??
answered
Feb 7
in
Theory of Computation

117
views
decidability
theoryofcomputation
contextfree
deterministiccontextfreegrammars
+3
votes
23
Computer networks colloison domain
answered
Feb 7
in
Computer Networks

64
views
computernetworks
network
networkflow
+3
votes
24
Decidablity+DCFL
I) LR where L is DCFl and R is regular. Is LR also DCFL decidable or not??? II)If L1 is reducible to L2 and L2 is nonRE then L1 is also NonRE??? III) If L1 is reducible to L2 and L1 is nonRE then L2 is also nonRE??
answered
Feb 7
in
Theory of Computation

86
views
theoryofcomputation
decidability
dcfl
closureproperty
regularlanguage
recursiverecursivelyenumerable
+9
votes
25
Gatebook_Mocktest2(Operating Systems)
answered
Feb 7
in
Operating System

201
views
operatingsystem
fork
+14
votes
26
gatebook mt2 qn36
Consider a simple inorder fivestage pipeline with a twocycle branch misprediction penalty and a singlecycle loaduse delay penalty. For a specific program, 30% of the instructions are loads, 20% are branches, the remaining 50% ... instruction, and 75% of branches are predicted correctly. What is the average CPI of this program on this processor?
answered
Feb 7
in
CO & Architecture

573
views
#computerorganisationandarchitecture
machineinstructions
clockcycle
+3
votes
27
Gatebook Mock 2
answered
Feb 7
in
Theory of Computation

122
views
gatebook_mt2
theoryofcomputation
+2
votes
28
gatebook mock 2
Sender window size is 2^6 . So reciever window should be the same. i. e. 2^6. Sequence no = (sender window + rexiever window) =2^7 i.e. 7 bit
answered
Feb 7
in
Computer Networks

97
views
+16
votes
29
DS......
Consider a data type whose elements are integers and whose operations are INSERT, DELETE, and FINDCLOSEST, with FINDCLOSEST(y) deﬁned to be some element x in the current set such thatxy ≤ xiy for all xi in the current set. Let where denotes the ... use in order to minimizeT? (A) A sorted list (B) An unordered list (C) An implicit heap (D) An AVL tree
answered
Feb 7
in
DS

592
views
datastructure
+1
vote
30
NO of tables
Let the cardinality of each relation is 1: 1, then find the minimum number of tables possible in relational model? (Assume that the participation of A, B is total)
answered
Feb 7
in
Databases

61
views
databases
+3
votes
31
Algorithm quicksort
Reply with solution @ Habibkhan,@Gabbar,@Arjun Sir
answered
Feb 7
in
Algorithms

87
views
algorithms
sortingalgorithmsquicksort
+2
votes
32
MADE EASY TEST SERIES
answered
Feb 7
in
Databases

65
views
+5
votes
33
GATE 2017 EC Aptitude
$900$ men and $500$ woman complete a task in $2$ weeks. $1200$ men and $250$ woman took $3$ weeks to complete the same task. Then, how many men are required to complete the same task in $1$ week ?
answered
Feb 7
in
Numerical Ability

510
views
numericalanswers
aptitude
+1
vote
34
Test Book
A vertical Microprogrammed Control Unit supports 256 instructions. The system is using 8 flag conditions and contain 48 Control Signals. Each instruction on average requires 1 microoperation. What is the approximate size of Control memory in Bytes? A) 10240B B) 9728 C) 10752 D) 11264
answered
Feb 6
in
CO & Architecture

112
views
+12
votes
35
madeeasy
If a real number x is chosen at random in the interval [0, 3], and a real number y is chosen at random in the interval [0, 4],what is the probability that x < y ? (A) 1/2 (B) 7/12 (C) 5/8 (D) 2/3
answered
Feb 6
in
Verbal Ability

485
views
+3
votes
36
madeeasy
What are the last two digits of the number 7245 ? (A) 07 (B) 23 (C) 49 (D) 43
answered
Feb 6
in
Verbal Ability

126
views
+4
votes
37
Programming Output
Determine the output #include <stdio.h> int main(void) { char *p="gateoverflow"; *(p+5)='z'; printf("%s",p); return 0; }
answered
Feb 6
in
Programming

100
views
programminginc
output
cprogramming
pointers
+2
votes
38
ME test
Consider a function AVLConstruction(). Which takes an array n elements as input in Ascending order and produce output as AVL tree for given array. AVLConstruction() function selects the median of the array and put it as the Root element. Recursively build Left subtree from ... will be the complexity of AVLConstruction()? A) O(nlogn) B) O(n2) C) O(n3) D) O(n)
answered
Feb 6
in
Algorithms

50
views
+1
vote
39
Test series
Minimum time taken to find median of a list of numbers is O(log n) O(n) O(n log n) O (n2)
answered
Feb 6
in
Algorithms

32
views
+5
votes
40
SQL query
how is q1 right it only shows sid for students with rank less than everyone
answered
Feb 6
in
Databases

537
views
databases
sql
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