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1
[MEasy Test Discrete]
The number of seven digit integers possible with sum of the digits equal to 11 and formed by using the digits 1, 2 and 3 only are ________.
answered
Jan 6, 2019
in
Combinatory

65
views
+1
vote
2
ACE Test Series
answered
Dec 29, 2018
in
Combinatory

95
views
+6
votes
3
PIGEON HOLE PRINCIPLE
https://gateoverflow.in/13170/applicationofpigeonholeprinciple WHY 14 IS ADDED ..hOW TWO SEQUENCES ARE RELATED FOR THIS ANSWER??
answered
Nov 6, 2018
in
Combinatory

224
views
+2
votes
4
Optimizing Page Size
Given that the logical address is "d" bits.Page table entry size is 4 bytes,what must be the optimal page size P by minimizing the page table size overhead and internal fragmentation in paging ? a) (4d)1/2 b) (4*d)2 C) (8*2(2d))1/2 d) (2(d+3))1/2
answered
Oct 23, 2018
in
Operating System

119
views
0
votes
5
Zeal Test Series 2019: Linear Algebra  Matrices
answered
Oct 6, 2018
in
Linear Algebra

66
views
zeal
engineeringmathematics
linearalgebra
zeal2019
+7
votes
6
GATE2016 37 Mathematics
Let $M = \begin{bmatrix} a & b &c \\ b &d & e\\ c & e & f \end{bmatrix}$ be a real matrix with eigenvalues 1, 0 and 3. If the eigenvectors corresponding to 1 and 0 are $\left ( 1,1,1 \right )^T$ and $\left ( 1,1, 0 \right )^T$ respectively, then the value of 3f is equal to _______.
answered
Oct 4, 2018
in
Linear Algebra

304
views
linearalgebra
eigenvalue
+1
vote
7
probability
answered
Sep 3, 2018
in
Probability

58
views
+3
votes
8
PUSH and POP in Postfix evaluation
A postfix expression P is given with n binary operators. To evaluate the operator using stack, how many PUSH and POP operations are needed? A) PUSH:n, POP:n B)PUSH:2n, POP:2n+1 C)PUSH:2n+1, POP:2n D)PUSH:n, POP:2n
answered
Sep 1, 2018
in
DS

224
views
0
votes
9
made easy test series
which of the statement is/are correct
answered
Aug 31, 2018
in
Theory of Computation

78
views
madeeasytestseriestoc
+2
votes
10
SELF DOUBT
https://gateoverflow.in/56617/%23toc%23peterlinz NOT GETTING THIS QUESTION ANSWER
answered
Aug 29, 2018
in
Theory of Computation

65
views
0
votes
11
Associvity and precedence
answered
Aug 27, 2018
in
Compiler Design

40
views
+1
vote
12
NPTEL Assignment
10 rooms, numbered 1 to 10, need to be rewired, but there are constraints on the order in which this can get done. Rooms 5 and 8 must be rewired before starting on 6 Room 1 must be rewired rewired before starting on 7 and 9 Rooms 4 and 5 must be rewired before starting ... and 31710852 each of length 7." <quoted from answer How is it done?How is it connected to DAG?
answered
Aug 24, 2018
in
Algorithms

87
views
+3
votes
13
Testseries
A dary heap is like a binary heap, but instead of two children, nodes have d' children. A dary heap can be represented in a 1dimensional array as follows. The root is kept in A[1], its d children are kept in order in A[2] through A[d + 1] their children are kept in ... 2] through A[d2 + d + 1] and so on. What index does maps the jth child for (1 ≤ j ≤ d) of the ith index node?
answered
Aug 23, 2018
in
DS

92
views
programminginc
+13
votes
14
Two dimensional array
Consider a 2 dimensional array A[40...95,40...95] in lower triangular matrix representation. The size of each element of array is 1 Byte.If array is implemented in memory as Row major,with base address as 1000,the address of A[66][50] is ..... Ans. 1361
answered
Aug 22, 2018
in
DS

700
views
arrays
programminginc
+9
votes
15
Operating system ..ace academy test series
A disk is double interleaved. It has 8 secret per track of 512 byte each.rotation rate is 300 rpm.assume that arm is correctly positioned and 1/2 rotation is needed to get secter 0 under the head .the time needed to read all 8 section of track in order is .....(in milisecond)
answered
Aug 22, 2018
in
Operating System

512
views
+10
votes
16
Testbook TestSeries  Vertical Microprogramming
A vertical microprogrammed control unit has 16 conditional flags 250 signals and size of control word is 24 bits, size of the control memory in Kbytes is ______.
answered
Aug 21, 2018
in
CO and Architecture

244
views
microprogramming
coandarchitecture
verticalmicroprogramming
+4
votes
17
Gate 2015 CE set 2
The two eigen values of the matrix $\begin{bmatrix} 2 & 1\\ 1& p \end{bmatrix}$ have a ratio of 3:1 for p= 2. What is another value of p for which eigenvalues have the same ratio of 3:1? A)2 b) 1 c) 7/3 d)14/3
answered
Aug 18, 2018
in
Linear Algebra

183
views
eigenvalue
usergate2015
usermod
+5
votes
18
EPI Question
answered
Aug 12, 2018
in
Digital Logic

201
views
digitallogic
+2
votes
19
#Madeeasy_test_series 2019
answered
Aug 11, 2018
in
Digital Logic

64
views
+18
votes
20
GATE19882xii
Consider the following program skeleton and below figure which shows activation records of procedures involved in the calling sequence. $p \rightarrow s \rightarrow q \rightarrow r \rightarrow q.$Write the access links of the activation records to enable correct access and variables in the ... q; procedure r; begin q end r; begin r end q; procedure s; begin q end s; begin s end p;
answered
Aug 10, 2018
in
Compiler Design

1.3k
views
gate1988
normal
descriptive
runtimeenvironments
compilerdesign
+6
votes
21
GATE20017
Let a decision problem $X$ be defined as follows: $X$: Given a Turing machine $M$ over $\Sigma$ and any word $w \in \Sigma$, does $M$ loop forever on $w$? You may assume that the halting problem of Turing machine is undecidable but partially decidable. Show that $X$ is undecidable Show that $X$ is not even partially decidable
answered
Jun 28, 2018
in
Theory of Computation

1.4k
views
gate2001
theoryofcomputation
decidability
turingmachine
easy
descriptive
+4
votes
22
PROGRAMMING OUTPUT
answered
Jan 16, 2018
in
Programming

99
views
programminginc
+9
votes
23
multidimensional aaray
39 ) Suppose a multidimensional array is declared as m(2:8,4:1,6:10). If the base address is 200 and there are 4 words per memory location, then the address of A[5,1,8] by using row order is ______.
answered
Jan 16, 2018
in
Programming

991
views
+3
votes
24
Co & Arch
answered
Jan 15, 2018
in
CO and Architecture

101
views
coandarchitecture
pipelining
+2
votes
25
madeeasy test series
Consider 3 processes P0, P1 and P2 to be scheduled as per the SRTF algorithm. The process P0' is known to be scheduled first and when P0 has been running 6' units of time, then the process P2' has arrived. The process P2' has run for 4' unit of ... ' units of time. Then the minimum burst time of P0' is _______ (in units). Please explain how to solve this. Ans is given 17
answered
Jan 15, 2018
in
Operating System

88
views
+2
votes
26
madeeasy workbook
which option is correct?
answered
Jan 13, 2018
in
Mathematical Logic

57
views
+2
votes
27
#Gate 2016
A sender uses the stop and wait ARQ protocol for reliable transmissions of frames. Frames are of size 1000 bytes and the transmission rate at the sender is 80 Kbps(1Kbps=1000bits/sec). Size of an acknowledgement is 100 bytes and the transmission rate at ... 8 Kbps. The one way propogation delay is 100 milliseconds. Assuming no frame is lost, the sender throughput is ______bytes/second.
answered
Jan 13, 2018
in
Computer Networks

61
views
+1
vote
28
largest eigen value
Assume determinant of a $3\times3$ matrix is a prime number and trace is $15.$Largest eigen value is _______(Assume only positve eigen values)
answered
Jan 13, 2018
in
Linear Algebra

108
views
engineeringmathematics
linearalgebra
eigenvalue
+2
votes
29
Online Test series
The r ’s compliment of an ndigit decimal number N in base r is defined for all values of N except for N = 0. If the given number is (247)9, then its 9’s compliment will be equal to ( _____ )9.
answered
Jan 12, 2018
in
Digital Logic

138
views
numbersystem
+4
votes
30
Probability
A pair of dice is rolled and the sum is determined. The probability that a sum of 5 is rolled before the sum of 8 is rolled in a sequence of rolls of dice is _______________
answered
Jan 11, 2018
in
Probability

138
views
probability
0
votes
31
matrix adjoint
If $1,2,3$ are the eigen values of the matrix $A$ then ratio of determinant of $B$ to the trace of $B$ is_______where $B=[adj(A)AA^{1}A^{2}]$
answered
Jan 10, 2018
in
Linear Algebra

139
views
engineeringmathematics
linearalgebra
matrices
0
votes
32
ACE TEST
PLEASE TELL HOW OPTION D IS CORRECT
answered
Jan 10, 2018
in
Databases

66
views
+2
votes
33
Subgraph
Number of subgraphs possible for K3 =____________
answered
Jan 9, 2018
in
Graph Theory

191
views
graphtheory
+2
votes
34
selfdoubt
True and false WoundWait algorithm always start with new time stamp after killing. WaitDie algorithm always start with new time stamp after killing . pls explain both algorithm
answered
Jan 9, 2018
in
Databases

45
views
+4
votes
35
Degree of Graph
Consider the graph with 11 vertices and 16 edges. The maximum value of minimum degree of the graph is __________________
answered
Jan 9, 2018
in
Graph Theory

340
views
graphtheory
discretemathematics
+10
votes
36
GATE200552
A random bit string of length n is constructed by tossing a fair coin n times and setting a bit to 0 or 1 depending on outcomes head and tail, respectively. The probability that two such randomly generated strings are not identical is: $\frac{1}{2^n}$ $1  \frac{1}{n}$ $\frac{1}{n!}$ $1  \frac{1}{2^n}$
answered
Jan 8, 2018
in
Probability

2k
views
gate2005
probability
binomialdistribution
easy
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