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5
answers
1
GATE CSE 1990 | Question: 3-iv
The total external path length, $\text{EPL},$ of a binary tree with $n$ external nodes is, $\text{EPL}= \displaystyle \sum_{w} I_w$, where $I_{w}$ is the path length of external node $w$), $\leq n^{2}$ always. $\geq n \log_{2} n$ always. Equal to $n^{2}$ always. $O(n)$ for some special trees.
commented
in
DS
Jan 7, 2020
6.2k
views
gate1990
normal
data-structures
binary-tree
multiple-selects
6
answers
2
GATE CSE 2006 | Question: 67
Consider the relation account (customer, balance) where the customer is a primary key and there are no null values. We would like to rank customers according to decreasing balance. The customer with the largest balance gets rank $1.$ Ties are not broke but ranks are skipped: if ... of the above statements are correct? $2$ and $5$ $1$ and $3$ $1$ and $4$ $3$ and $5$
commented
in
Databases
Dec 21, 2019
21.0k
views
gatecse-2006
databases
sql
normal
2
answers
3
GATE CSE 2001 | Question: 21-a
Consider a relation examinee (regno, name, score), where regno is the primary key to score is a real number. Write a relational algebra using $( \Pi, \sigma, \rho, \times)$ to find the list of names which appear more than once in examinee.
commented
in
Databases
Dec 20, 2019
3.8k
views
gatecse-2001
databases
sql
normal
descriptive
6
answers
4
GATE IT 2007 | Question: 40
What is the final value stored in the linear feedback shift register if the input is $101101$? $0110$ $1011$ $1101$ $1111$
commented
in
Digital Logic
Dec 1, 2019
6.5k
views
gateit-2007
digital-logic
circuit-output
normal
8
answers
5
GATE CSE 2014 Set 2 | Question: 50
Consider the following relation on subsets of the set $S$ of integers between $1$ and $2014$. For two distinct subsets $U$ and $V$ of $S$ we say $U\:<\:V$ if the minimum element in the symmetric difference of the two sets is in $U$. Consider the ... $S1$ is true and $S2$ is false $S2$ is true and $S1$ is false Neither $S1$ nor $S2$ is true
commented
in
Set Theory & Algebra
Jul 28, 2019
15.9k
views
gatecse-2014-set2
set-theory&algebra
normal
set-theory
4
answers
6
GATE CSE 1993 | Question: 8.3
Let $S$ be an infinite set and $S_1 \dots , S_n$ be sets such that $S_1 \cup S_2 \cup \dots \cup S_n = S$. Then at least one of the sets $S_i$ is a finite set not more than one of the sets $S_i$ can be finite at least one of the sets $S_i$ is an infinite not more than one of the sets $S_i$ can be infinite None of the above
commented
in
Set Theory & Algebra
Jul 26, 2019
7.6k
views
gate1993
set-theory&algebra
normal
set-theory
6
answers
7
GATE CSE 2015 Set 1 | Question: 34
Suppose $L = \left\{ p, q, r, s, t\right\}$ is a lattice represented by the following Hasse diagram: For any $x, y \in L$, not necessarily distinct , $x \vee y$ and $x \wedge y$ are join and meet of $x, y$ ... $p_r = 0$ $p_r = 1$ $0 < p_r ≤ \frac{1}{5}$ $\frac{1}{5} < p_r < 1$
commented
in
Set Theory & Algebra
Jul 19, 2019
17.2k
views
gatecse-2015-set1
set-theory&algebra
normal
lattice
6
answers
8
GATE IT 2006 | Question: 50
Which one of the choices given below would be printed when the following program is executed? #include <stdio.h> void swap (int *x, int *y) { static int *temp; temp = x; x = y; y = temp; } void printab () { static int i, a = -3, b = -6; i = 0; while (i <= 4) { if ((i++)%2 == 1 ... $a = 12, b = 9$ $a = 3, b = 6$ $a = 3, b = 6$ $a = 6, b = 3$ $a = 15, b = 12$
commented
in
Programming in C
Jun 12, 2019
25.6k
views
gateit-2006
programming
programming-in-c
normal
parameter-passing
4
answers
9
GATE CSE 2003 | Question: 51
Let $G=\left(\left\{S\right\}, \left\{a,b\right\},R,S\right)$ be a context free grammar where the rule set R is $S \to a S b \mid S S \mid \epsilon$ Which of the following statements is true? $G$ is not ambiguous There ... $L(G)$ We can find a deterministic finite state automaton that accepts $L(G)$
commented
in
Theory of Computation
Dec 25, 2018
17.5k
views
gatecse-2003
theory-of-computation
context-free-language
normal
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