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18
answers
1
GATE CSE 2017 Set 2 | Question: 44
Two transactions $T_1$ and $T_2$ are given as $T_1:r_1(X)w_1(X)r_1(Y)w_1(Y)$ $T_2:r_2(Y)w_2(Y)r_2(Z)w_2(Z)$ where $r_i(V)$ denotes a $\textit{read}$ operation by transaction $T_i$ on a variable $V$ and $w_i(V)$ denotes a ... by transaction $T_i$ on a variable $V$. The total number of conflict serializable schedules that can be formed by $T_1$ and $T_2$ is ______
commented
in
Databases
Feb 2, 2018
70.8k
views
gatecse-2017-set2
databases
transaction-and-concurrency
numerical-answers
conflict-serializable
4
answers
2
GATE CSE 1990 | Question: 1-iv-a
A $32$-bit floating-point number is represented by a $7$-bit signed exponent, and a $24$-bit fractional mantissa. The base of the scale factor is $16,$ The range of the exponent is ___________
commented
in
Digital Logic
Jan 27, 2018
7.9k
views
gate1990
digital-logic
number-representation
floating-point-representation
fill-in-the-blanks
7
answers
3
GATE CSE 2008 | Question: 40
The minimum number of comparisons required to determine if an integer appears more than $\frac{n}{2}$ times in a sorted array of $n$ integers is $\Theta(n)$ $\Theta(\log n)$ $\Theta(\log^*n)$ $\Theta(1)$
commented
in
Algorithms
Jan 24, 2018
36.4k
views
gatecse-2008
normal
algorithms
time-complexity
5
answers
4
GATE CSE 2007 | Question: 23
Which of the following graphs has an Eulerian circuit? Any $k$-regular graph where $k$ is an even number. A complete graph on $90$ vertices. The complement of a cycle on $25$ vertices. None of the above
commented
in
Graph Theory
Jan 23, 2018
25.2k
views
gatecse-2007
graph-theory
normal
graph-connectivity
9
answers
5
GATE CSE 2017 Set 1 | Question: 3
Let $c_{1}.....c_{n}$ be scalars, not all zero, such that $\sum_{i=1}^{n}c_{i}a_{i}$ = 0 where $a_{i}$ are column vectors in $R^{n}$. Consider the set of linear equations $Ax = b$ ... has a unique solution at $x=J_{n}$ where $J_{n}$ denotes a $n$-dimensional vector of all 1. no solution infinitely many solutions finitely many solutions
commented
in
Linear Algebra
Jan 20, 2018
20.3k
views
gatecse-2017-set1
linear-algebra
system-of-equations
normal
6
answers
6
GATE CSE 2017 Set 1 | Question: GA-9
Arun, Gulab, Neel and Shweta must choose one shirt each from a pile of four shirts coloured red, pink, blue and white respectively. Arun dislikes the colour red and Shweta dislikes the colour white. Gulab and Neel like all the colours. In how many different ways ... the shirts so that no one has a shirt with a colour he or she dislikes? $21$ $18$ $16$ $14$
commented
in
Quantitative Aptitude
Jan 20, 2018
10.0k
views
gatecse-2017-set1
combinatory
quantitative-aptitude
0
answers
7
doubt extern variable here they initialized it is it valid ?
extern int num = 10; // is it valid ??
commented
in
Programming in C
Jan 19, 2018
600
views
programming-in-c
extern-variable
0
answers
8
Self Doubt
the sequence is shown, the element at the lowest level?
commented
in
Algorithms
Jan 18, 2018
396
views
0
answers
9
algorithms
You are given a set of n nuts and another set of n bolts such that they form n distinct pairs of matching nuts and bolts, i.e., each of the bolts go into one nut only. What will the number of comparisons to matching operation conducted in an effective manner ... is trying to fit a bolt into a nut and thereby concluding whether they are of equal size, or find out which is greater in size)
commented
in
Algorithms
Jan 17, 2018
328
views
0
answers
10
ACE Test Series
----
commented
in
Databases
Jan 17, 2018
306
views
0
answers
11
Virtualgate
Why here implementation A is wrong.I feel it is correct.
commented
in
Programming in C
Jan 16, 2018
426
views
1
answer
12
virtualgate
Here query is not correct if there are two persons with higher rating?Am I correct?
commented
in
Databases
Jan 16, 2018
573
views
1
answer
13
Digital circuit
commented
in
Digital Logic
Jan 16, 2018
479
views
digital-logic
digital-circuits
0
answers
14
Programming Question
commented
in
Programming in C
Jan 14, 2018
575
views
programming-in-c
programming
output
0
answers
15
Rank of node: dependacy graph
please describe in detail I have no idea how to find rank of the node?
closed
in
Compiler Design
Jan 13, 2018
350
views
compiler-design
0
answers
16
Speedup In pipelining
Actually, In this problem what will, we consider getting the answer(upper bound or lower bound) and why?
asked
in
CO and Architecture
Jan 13, 2018
708
views
pipelining
co-and-architecture
speedup
1
answer
17
Static variable doubt
asked
in
Programming in C
Jan 13, 2018
356
views
static-single-assignment
compiler-design
2
answers
18
Network IP Addressing
IP : 199. 166.15.119 SubNet Mask: 255. 255. 255. 240 Then Find the (i) SubNet ID ? (ii) SubNet No. ? (iii) First host of the SubNet ? (iv) Last host of the SubNet? (v) third host of the first SubNet? I found ambiguity in ans person to person .
commented
in
Computer Networks
Jan 12, 2018
1.1k
views
network-addressing
ip-addressing
computer-networks
ip
2
answers
19
TEST SERIES
PLEASE GIVE THE CORRECT ANSWER
commented
in
Digital Logic
Jan 12, 2018
1.2k
views
digital-logic
combinational-circuit
2
answers
20
MadeEasy Test Series 2018: Graph Theory - Graph Coloring
Consider the following graph: Which of the following will represents the chromatic number of the graph? answer given is 4. Please provide a detailed solution.
answered
in
Graph Theory
Jan 11, 2018
759
views
graph-theory
graph-coloring
made-easy-test-series
madeeasy-testseries-2018
8
answers
21
#of variables in SSA
Consider the following code segment: c=b+a e=c-a f=c*e h=c+a i=h+f The minimum number of $\color{blue} {total}$ and $\color{blue} {temporary }$ variable required to convert the above code segment to static single assignment form are ________
commented
in
Compiler Design
Jan 11, 2018
1.9k
views
compiler-design
static-single-assignment
4
answers
22
Hashing (Test Series)
Consider an initially empty hash table of length 10. Following set of keys are inserted using open addressing with hash function h(k) = k mod 10 and linear probing. 0 1 91 2 2 3 13 4 24 5 12 6 62 7 77 8 82 9 The number of different insertion sequence of the key values using the given hash function and linear probing will result in the hash table shown in above __________.
commented
in
DS
Jan 11, 2018
3.4k
views
data-structures
hashing
0
answers
23
CO: Cache Memory
commented
in
CO and Architecture
Jan 11, 2018
468
views
co-and-architecture
cache-memory
multilevel-cache
test-series
1
answer
24
Algorithm Question
commented
in
Algorithms
Jan 11, 2018
1.0k
views
algorithms
time-complexity
test-series
0
answers
25
CO: Memory
commented
in
CO and Architecture
Jan 11, 2018
522
views
co-and-architecture
cache-memory
test-series
0
answers
26
CO: Addressing Mode Question
closed
in
CO and Architecture
Jan 11, 2018
2.6k
views
addressing-modes
co-and-architecture
0
answers
27
What is the meaning of specialized and generalized entity?
asked
in
Databases
Jan 11, 2018
376
views
databases
self-doubt
0
answers
28
Test series
Plzzz explain...
commented
in
Algorithms
Jan 9, 2018
618
views
1
answer
29
minimum no. of states in dfa in which no. of "a" divisible by 8
I can use 4 state dfa for no. of a should be divisible by 4 then minimum = 4 , or we have to construct dfa with 8 states ??
answered
in
Theory of Computation
Jan 9, 2018
785
views
1
answer
30
automata
How many states in dfa of X= { (a+b)* where no of a is divisible by 4 and 8}
commented
in
Theory of Computation
Jan 9, 2018
747
views
theory-of-computation
finite-automata
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