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0
answers
1
madeeasy os
why c) option wrong?
commented
Jan 14
in
Operating System

86
views
2
answers
2
Made Easy CBT 19 Discrete Maths
How to solve it(clear explanation please)
answered
Jan 14
in
Graph Theory

102
views
6
answers
3
GATE2017120
Let $T$ be a tree with $10$ vertices. The sum of the degrees of all the vertices in $T$ is ________
comment edited
Jan 10
in
DS

4.3k
views
gate20171
datastructure
trees
numericalanswers
2
answers
4
GATE201123
A maxheap is a heap where the value of each parent is greater than or equal to the value of its children. Which of the following is a maxheap?
commented
Jan 10
in
DS

1.4k
views
gate2011
datastructure
heap
easy
4
answers
5
GATE19941.4, ISRO20172
Let $A$ and $B$ be any two arbitrary events, then, which one of the following is TRUE? $P (A \cap B) = P(A)P(B)$ $P (A \cup B) = P(A)+P(B)$ $P (A \mid B) = P(A \cap B)P(B)$ $P (A \cup B) \leq P(A) + P(B)$
commented
Jan 8
in
Probability

5.7k
views
gate1994
probability
conditionalprobability
normal
isro2017
1
answer
6
self doubt
$\lim_{x\rightarrow \frac{\pi }{2}}cosx^{cosx}$ can we straight away say $0^{0}=0$ ?
commented
Jan 5
in
Calculus

52
views
calculus
1
answer
7
UGCNETDEC2018II22
The elements $42, 25, 30, 40, 22, 35, 26$ are inserted one by one in the given order into a maxheap. The resultant maxheap is sorted in an array implementation as $<42, 40, 35, 25, 22, 30, 26>$ $<42, 35, 40, 22, 25, 30, 26>$ $<42, 40, 35, 25, 22, 26, 30>$ $<42, 35, 40, 22, 25, 26, 30>$
answered
Jan 3
in
Others

186
views
ugcnetdec2018ii
1
answer
8
ACE Test series
In the network 202.10.4.230/27 the last but one valid IP which can be assigned to a host from the last subnet is ___________.
commented
Jan 3
in
Computer Networks

53
views
4
answers
9
GATE20012.20
Which of the following does not interrupt a running process? A device Timer Scheduler process Power failure
commented
Jan 3
in
Operating System

5k
views
gate2001
operatingsystem
easy
process
1
answer
10
UGCNETDEC2018II86
A host is connected to a department network which is part of a university network. The university network, in turn, is part of the Internet. The largest network, in which the Ethernet address of the host is unique, is the Internet the university network the department network the subnet to which the host belongs
answered
Jan 2
in
Others

73
views
ugcnetdec2018ii
1
answer
11
UGCNETDEC2018II71
Dirty bit is used to show the wrong page page with corrupted data page with low frequency occurrence page that is modified after being loaded into cache memory
commented
Jan 2
in
Others

147
views
ugcnetdec2018ii
1
answer
12
UGCNETDEC2018II74
Suppose P, Q and R are cooperating processes satisfying Mutual Exclusion condition. Then, if the process Q is executing in its critical section then Both ‘P’ and ‘R’ execute in critical section Neither ‘P’ nor ‘R’ executes in their critical section ‘P’ executes in critical section ‘R’ executes in critical section
answered
Jan 2
in
Others

123
views
ugcnetdec2018ii
1
answer
13
UGCNETDEC2018II76
______ system call creates new process in Unix create create new fork fork new
answered
Jan 2
in
Others

80
views
ugcnetdec2018ii
1
answer
14
UGCNETDEC2018II10
In computers, subtraction is generally carried out by $9$’s complement $1$’s complement $10$’s complement $2$’s complement
answered
Jan 2
in
Others

211
views
ugcnetdec2018ii
1
answer
15
UGCNETDEC2018II70
Suppose a system has $12$ instances of some resource with $n$ processes competing for that resource. Each process may require $4$ instances of the resources. The maximum value of $n$ for which the system never enters into deadlock is $3$ $4$ $5$ $6$
answered
Jan 2
in
Others

225
views
ugcnetdec2018ii
2
answers
16
UGCNETDEC2018II18
Consider a disk pack with $32$ surfaces, $64$ tracks and $512$ sectors per pack. $256$ bytes of data are stored in a bit serial manner in a sector. The number of bits required to specify a particular sector in the disk is $18$ $19$ $20$ $22$
answered
Jan 2
in
Others

178
views
ugcnetdec2018ii
2
answers
17
UGCNETDEC2018II7
The boolean expression $\overline{A} \cdot B + A \cdot \overline{B}+ A \cdot B$ is equivalenet to $\overline{A} \cdot B$ $\overline{A+B}$ $A \cdot B$ $A+B$
commented
Jan 2
in
Others

390
views
ugcnetdec2018ii
1
answer
18
UGCNETDEC2018II4
A survey has been conducted on methods of commuter travel. Each respondent was asked to check bus, Train and Automobile as a major method of travelling to work. More than one answer was permitted. The results reported were as follows: Bus $30$ people; Train $35$ ... people; and all the three methods $5$ people. How many people completed the survey form? $120$ $165$ $160$ $115$
answered
Jan 2
in
Others

474
views
ugcnetdec2018ii
2
answers
19
UGCNETDEC2018II2
Match the ListI with ListII and choose the correct answer from the code given below: ... ) (a)(iii), (b)(iv), (c)(ii), (d)(i) (a)(iv), (b)(iii), (c)(ii), (d)(i)
answered
Jan 2
in
Others

460
views
ugcnetdec2018ii
1
answer
20
UGCNETDEC2018II1
In mathematical logic, which of the following are statements? There will be snow in January. What is the time now? Today is Sunday. You must study Discrete mathematics Choose the correct answer from the code given below: i and iii i and ii ii and iv iii and iv
answered
Jan 2
in
Others

776
views
ugcnetdec2018ii
0
answers
21
Graph
Let G be a directed graph whose vertex set contains numbers from 1 to 1024. There is an edge from a vertex i to a vertex j iff either j=i+1 or j=3i. The minimum number of edges in the path from vertex 1 to vertex 100 is # answer is 7
commented
Jan 2
in
Others

45
views
2
answers
22
GATE2017208
In a file allocation system, which of the following allocation scheme(s) can be used if no external fragmentation is allowed ? Contiguous Linked Indexed 1 and 3 only 2 only 3 only 2 and 3 only
commented
Jan 2
in
Operating System

3.7k
views
gate20172
operatingsystem
filesystem
normal
6
answers
23
GATE20022.25
From the following instance of a relation schema $R(A,B,C)$ ... not functionally determine $C$ $B$ does not functionally determine $C$ $A$ does not functionally determine $B$ and $B$ does not functionally determine $C$
commented
Jan 1
in
Databases

3.4k
views
gate2002
databases
functionaldependencies
1
answer
24
MadeEasy Workbook: Digital Logic  Shift Registers
How to solve this question?
commented
Dec 31, 2018
in
Digital Logic

88
views
digitallogic
shiftregisters
madeeasybooklet
5
answers
25
GATE2016132
The stage delays in a $4$stage pipeline are $800, 500, 400$ and $300$ picoseconds. The first stage (with delay $800$ picoseconds) is replaced with a functionality equivalent design involving two stages with respective delays $600$ and $350$ picoseconds. The throughput increase of the pipeline is ___________ percent.
commented
Dec 31, 2018
in
CO and Architecture

8.4k
views
gate20161
coandarchitecture
pipelining
normal
numericalanswers
2
answers
26
GO2019FLT134
Let $G$ be a graph of order $n$ in which every vertex has degree equal to $d$. How large must $d$ be the in order to guarantee that $G$ is connected? $\frac{n}{2}$ $\lceil (n1)/2 \rceil$ $\lfloor (n+1)/2 \rfloor$ $(n1)/2$
commented
Dec 31, 2018
in
Others

344
views
go2019flt1
1
answer
27
GO2019FLT152
$\begin{bmatrix} 2 & 2 & 1 \\ 1 & 3 & 1 \\ 1 & 2 & 2 \end{bmatrix}$ For the above given matrix $A,$ $A^3 7A^2 +10A = $ $5I+A$ $5IA$ $A5I$ $6I$
commented
Dec 31, 2018
in
Others

175
views
go2019flt1
2
answers
28
Made easy Test
void foo(int n) { while (n! = 0) { if (!(n & 1)) printf(“*”); n = n >> 1 ; } } The number of times printf(“*”) is executed, when the value 2 raised to power 24 is passed to the function foo() is ?
answered
Dec 30, 2018
in
Programming

52
views
1
answer
29
GATE200210
In a C program, an array is declared as $\text{float} \ A[2048]$. Each array element is $4 \ \text{Bytes}$ in size, and the starting address of the array is $0x00000000$. This program is run on a computer that has a direct mapped ... occur? Justify your answer briefly. Assume that the data cache is initially empty and that no other data or instruction accesses are to be considered.
commented
Dec 30, 2018
in
CO and Architecture

1.6k
views
gate2002
coandarchitecture
cachememory
normal
descriptive
2
answers
30
GATE20019
A CPU has $32bit$ memory address and a $256 \ KB$ cache memory. The cache is organized as a $4way$ set associative cache with cache block size of $16$ bytes. What is the number of sets in the cache? What is the size (in bits) of the tag ... bits are required to find the byte offset within a cache block? What is the total amount of extra memory (in bytes) required for the tag bits?
commented
Dec 30, 2018
in
CO and Architecture

3.3k
views
gate2001
coandarchitecture
cachememory
normal
descriptive
0
answers
31
ME Test Series
S→ SABC A→ aAd/ϵ B→ bB/ϵ C→ Cc/Be/ϵ Number of elements in the follow(S) are __________
commented
Dec 29, 2018
in
Compiler Design

53
views
1
answer
32
ME Test Series
The height of a binary tree is defined as the number of nodes in the longest path form the root node to the leaf node. Let X be the height of complete binary tree with 256 nodes. The value of X will be ______.
answered
Dec 29, 2018
in
DS

115
views
0
answers
33
Previous Gate
Can we find unique solution to a system of linear equation with 2 equation for 3 variables?
commented
Dec 29, 2018
in
Linear Algebra

29
views
4
answers
34
GATE201132
Consider a database table T containing two columns $\text{X}$ and $\text{Y}$ each of type $\text{integer}$. After the creation of the table, one record $\text{(X=1, Y=1)}$ is inserted in the table. Let $\text{MX}$ and $\text{MY}$ denote the ... What will be the output of the following SQL query after the steps mentioned above are carried out? SELECT Y FROM T WHERE X=7; 127 255 129 257
commented
Dec 29, 2018
in
Databases

2.6k
views
gate2011
databases
sql
normal
3
answers
35
GATE2016253
A network has a data transmission bandwidth of $20 \times 10^{6}$ bits per second. It uses CSMA/CD in the MAC layer. The maximum signal propagation time from one node to another node is $40$ microseconds. The minimum size of a frame in the network is __________ bytes.
commented
Dec 25, 2018
in
Computer Networks

2.7k
views
gate20162
computernetworks
csmacd
numericalanswers
normal
1
answer
36
GATE2007IT57
In a multiuser operating system on an average, $20$ requests are made to use a particular resource per hour. The arrival of requests follows a Poisson distribution. The probability that either one, three or five requests are made in $45$ minutes is given by : $6.9 \times 10^6 \times e^{20}$ ... $6.9 \times 10^3 \times e^{20}$ $1.02 \times 10^3 \times e^{20}$
commented
Dec 25, 2018
in
Probability

2.7k
views
gate2007it
probability
poissondistribution
normal
7
answers
37
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: $\frac{1}{2^n}$ $1  \frac{1}{n}$ $\frac{1}{n!}$ $1  \frac{1}{2^n}$
commented
Dec 24, 2018
in
Probability

1.9k
views
gate2005
probability
binomialdistribution
easy
2
answers
38
GATE19962.7
The probability that top and bottom cards of a randomly shuffled deck are both aces is $\frac{4}{52} \times \frac{4}{52}$ $\frac{4}{52} \times \frac{3}{52}$ $\frac{4}{52} \times \frac{3}{51}$ $\frac{4}{52} \times \frac{4}{51}$
commented
Dec 22, 2018
in
Probability

998
views
gate1996
probability
easy
3
answers
39
GATE2017 ME2: GA5
$P$ looks at $Q$ while $Q$ looks at $R$. $P$ is married, $R$ is not. The number of pairs of people in which a married person is looking at an unmarried person is $0$ $1$ $2$ Cannot be determined.
commented
Dec 22, 2018
in
Numerical Ability

88
views
gate2017me2
numericalability
logicalreasoning
5
answers
40
GATE19943.9
Every subset of a countable set is countable. State whether the above statement is true or false with reason.
commented
Dec 21, 2018
in
Set Theory & Algebra

639
views
gate1994
settheory&algebra
normal
sets
descriptive
countableuncountableset
50,645
questions
56,601
answers
195,854
comments
102,227
users