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1

GATE CSE 2018 | Question: 22
Consider the sequential circuit shown in the figure, where both flip-flops used are positive edge-triggered $\text{D}$ flip-flops. The number of states in the state transition diagram of this circuit that have a transition back to the same state on some value of "in" is ____

answered in Digital Logic Nov 8, 2018

23.0k views

0 votes

2

GATE-1990
What would the output?

answered in Digital Logic Nov 7, 2018

384 views

3 votes

3

AVL tree
The number of different orders are possible for elements 1, 2, 3, 4, 5, 6, 7 to be inserted in to empty AVL tree such that no rotation will be done and element ‘4’ is root are ________.

answered in DS Oct 11, 2018

8.9k views

0 votes

4

GATE APTITUDE
Options are A) 1:3^(1/3) B) 3^(1/3):1 C) 3:1 D) 3^(2/3):1

answered in Verbal Aptitude Sep 15, 2018

399 views

11 votes

5

GATE CSE 2012 | Question: 36
Consider the program given below, in a block-structured pseudo-language with lexical scoping and nesting of procedures permitted. Program main; Var ... Procedure A1; Var ... Call A2; End A1 Procedure A2; Var ... Procedure A21; Var ... Call ... The correct set of activation records along with their access links is given by:

answered in Compiler Design Aug 29, 2018

13.0k views

0 votes

6

ISI2018-MMA-3
The number of trailing zeros in $100!$ is $21$ $23$ $24$ $25$

answered in Quantitative Aptitude May 13, 2018

995 views

0 votes

7

ISI2018-MMA-7
The greatest common divisor of all numbers of the form $p^2 − 1$, where $p \geq 7$ is a prime, is $6$ $12$ $24$ $48$

answered in Quantitative Aptitude May 13, 2018

1.4k views

0 votes

8

ISI2018-MMA-4
The number of common terms in the two sequences $\{ 3,7,11, \ldots , 407\}$ and $\{2,9,16,\ldots ,709\}$ is $13$ $14$ $15$ $16$

answered in Quantitative Aptitude May 13, 2018

1.5k views

0 votes

9

ISI2015-DCG-2
Let $S=\{6, 10, 7, 13, 5, 12, 8, 11, 9\}$ and $a=\underset{x \in S}{\Sigma} (x-9)^2$ & $b = \underset{x \in S}{\Sigma} (x-10)^2$. Then $a <b$ $a>b$ $a=b$ None of these

answered in Quantitative Aptitude May 8, 2018

570 views

0 votes

10

ISI2015-DCG-1
The sequence $\dfrac{1}{\log_3 2}, \: \dfrac{1}{\log_6 2}, \: \dfrac{1}{\log_{12} 2}, \: \dfrac{1}{\log_{24} 2} \dots $ is in Arithmetic progression (AP) Geometric progression ( GP) Harmonic progression (HP) None of these

answered in Quantitative Aptitude May 8, 2018

568 views

1 vote

11

ISRO2018-60
What is the output of tho following program? main(){ int x=2, y=5; if(x<y) return (x=x+y); else printf("z1"); printf("z2"); } $z2$ $z1z2$ Compilation error None of these

answered in Programming in C Apr 22, 2018

9.8k views

1 vote

12

ISRO2018-61
The Operating System of a computer may periodically collect all the free memory space to form contiguous block of free space. This is called: Concatenation Garbage Collection Collision Dynamic Memory Allocation

answered in Operating System Apr 22, 2018

2.6k views

2 votes

13

ISRO2018-20
Determine the number of page faults when references to pages occur in the order $1,2,4,5,2,1,2,4.$ Assume that the main memory can accommodate $3$ pages and the main memory already has the pages $1$ and $2,$ with page $1$ brought earlier than page $2.$ (assume LRU i.e., Least-Recently-Used algorithm is applied) $3$ $4$ $5$ None of the above

answered in Operating System Apr 22, 2018

2.8k views

0 votes

14

ISRO2018-21
Consider a system having $m$ resources of the same type. These resources are shared by $3$ processes $A, B, C,$ which have peak time demands of $3, 4, 6$ respectively. The minimum value of $m$ that ensures that deadlock will never occur is: $11$ $12$ $13$ $14$

answered in Operating System Apr 22, 2018

4.9k views

3 votes

15

ISRO2018-22
A computer has $1000K$ of main memory. The jobs arrive and finish in the following sequence. Job $1$ requiring $200$ $K$ arrives Job $2$ requiring $350$ $K$ arrives Job $3$ requiring $300$ $K$ arrives Job $1$ finishes Job $4$ requiring $120$ ... $K$ arrives Among best fit and first fit, which performs better for this sequence? First fit Best fit Both perform the same None of the above

answered in Operating System Apr 22, 2018

2.6k views

1 vote

16

ISRO2018-23
Disk requests come to a disk driver for cylinders in the order $10$, $22$, $20$, $2$, $40$, $6$ and $38$ at a time when the disk drive is reading from cylinder $20$. The seek time is $6$ ms/cylinder. The total seek time, if the disk arm scheduling algorithms is first-come-first-served is $360$ $850$ $900$ None of the above

answered in Operating System Apr 22, 2018

3.7k views

2 votes

17

ISRO2018-54
The set of attributes $X$ will be fully functionally dependent on the set of attributes $Y$ if the following conditions are satisfied. $X$ is functionally dependent on $Y$ $X$ is not functionally dependent on any subset of $Y$ Both (a) and (b) None of these

answered in Databases Apr 22, 2018

3.7k views

0 votes

18

ISRO2018-55
Let us assume that transaction $T1$ has arrived before transaction $T2$. Consider the schedule $s=r1(A);r2(B): w2(A); w1(B)$ Which of the following is true? Allowed under basic timestamp protocol. Not allowed under basic timestamp protocols because $T1$ is rolled back. Not allowed under basic timestamp protocols because $T2$ is rolled back. None of these

answered in Databases Apr 22, 2018

6.8k views

0 votes

19

ISRO2018-56
The time complexity of computing the transitive closure of binary relation on a set of $n$ elements is known to be $O(n)$ $O(n*\log(n))$ $O(n^{\frac{3}{2}})$ $O(n^{3})$

answered in Set Theory & Algebra Apr 22, 2018

2.1k views

0 votes

20

GATE2018 ME-2: GA-8
A contract is to be completed in 52 days and 125 identical robots were employed, each operational for 7 hours a day. After 39 days, five-seventh of the work was completed. How many additional robots would be required to complete the work on time, if each robot is now operational for 8 hours a day? 50 89 146 175

answered in Quantitative Aptitude Apr 19, 2018

5.5k views

0 votes

21

ISRO-DEC2017-6
The proposition $(P\Rightarrow Q)\wedge (Q\Rightarrow P)$ is a Tautology Contradiction Contingency Absurdity

answered in Mathematical Logic Apr 18, 2018

2.5k views

0 votes

22

ISI-2004-14
The inequality $\cfrac{2-gx-x^2}{1-x+x^2} \leq 3$ is true for all values of $x$ if and only if $1 \leq g \leq 7$ $-1 \leq g \leq 1$ $-6 \leq g \leq 7$ $-1 \leq g \leq 7$

answered in Mathematical Logic Apr 15, 2018

229 views

0 votes

23

ISI-2004-10
The equation $P(x) = \alpha$ where $P(x) = x^4 + 4x^3 – 2x^2 – 12x$ has four distinct real roots if and only if $P(-3) < \alpha$ $P(-1) > \alpha$ $P(-1) < \alpha$ $P(-3) < \alpha < P(-1)$

answered in Mathematical Logic Apr 14, 2018

151 views

0 votes

24

ISI2014-DCG-4
$\underset{n \to \infty}{\lim} \dfrac{1}{n} \bigg( \dfrac{n}{n+1} + \dfrac{n}{n+2} + \cdots + \dfrac{n}{2n} \bigg)$ is equal to $\infty$ $0$ $\log_e 2$ $1$

answered in Calculus Apr 11, 2018

1.2k views

0 votes

25

ISI2015-MMA-24
The series $\sum_{k=2}^{\infty} \frac{1}{k(k-1)}$ converges to $-1$ $1$ $0$ does not converge

answered in Quantitative Aptitude Apr 11, 2018

597 views

0 votes

26

ISI 2004 MIII
Let $X$ be a nonempty set and let $\mathcal{P}(X)$ denote the collection of all subsets of $X.$ Define $\textit{f}:\textit{X$\times$ $\mathcal{P}$(X)}\rightarrow \mathbb{R}$ by $f(x,A) = \begin{cases} 1 \text{ if } x \in A & \\ 0 \text{ if } x \notin A & \end{cases}$ ... $f(x,A)+f(x,B) - f(x,A) \cdot f(x,B)$ $f(x,A)+ \mid f(x,A) - f(x,B) \mid$

answered in Set Theory & Algebra Apr 11, 2018

672 views

0 votes

27

ISI-SAMPLE-2014

answered in Mathematical Logic Apr 8, 2018

179 views

0 votes

28

ISI-2014-SAMPLE-18

answered in Mathematical Logic Apr 7, 2018

298 views

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