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Questions by Arjun
19
votes
4
answers
281
GATE CSE 2022 | Question: 10
Consider the following two statements with respect to the matrices $\textit{A}_{m \times n}, \textit{B}_{n \times m}, \textit{C}_{n \times n}$ and $ \textit{D}_{n \times n}.$ Statement $1: tr \text{(AB)} = tr \text{(BA)}$ ... $2$ is correct. Both Statement $1$ and Statement $2$ are correct. Both Statement $1$ and Statement $2$ are wrong.
Consider the following two statements with respect to the matrices $\textit{A}_{m \times n}, \textit{B}_{n \times m}, \textit{C}_{n \times n}$ and $ \textit{D}_{n \times ...
10.9k
views
asked
Feb 15, 2022
Linear Algebra
gatecse-2022
linear-algebra
matrix
1-mark
+
–
12
votes
3
answers
282
GATE CSE 2022 | Question: 11
What is printed by the following $\text{ANSI C}$ program? #include<stdio.h> int main(int argc, char *argv[]) { int x = 1, z[2] = {10, 11}; int *p = NULL; p = &x; *p = 10; p = &z[1]; *(&z[0] + 1) += 3; printf(“%d, %d, %d\n”, x, z[0], z[1]); return 0; } $1, 10, 11$ $1, 10, 14$ $10, 14, 11$ $10, 10, 14$
What is printed by the following $\text{ANSI C}$ program?#include<stdio.h int main(int argc, char *argv[]) { int x = 1, z = {10, 11}; int *p = NULL; p = &x; *p = 10; p =...
5.8k
views
asked
Feb 15, 2022
Programming in C
gatecse-2022
programming
programming-in-c
pointers
output
1-mark
+
–
22
votes
3
answers
283
GATE CSE 2022 | Question: 12
Consider an enterprise network with two Ethernet segments, a web server and a firewall, connected via three routers as shown below. What is the number of subnets inside the enterprise network? $3$ $12$ $6$ $8$
Consider an enterprise network with two Ethernet segments, a web server and a firewall, connected via three routers as shown below.What is the number of subnets inside th...
14.5k
views
asked
Feb 15, 2022
Computer Networks
gatecse-2022
computer-networks
ethernet
1-mark
+
–
6
votes
2
answers
284
GATE CSE 2022 | Question: 13
Which of the following statements is/are $\text{TRUE}?$ Every subset of a recursively enumerable language is recursive. If a language $\textit{L}$ and its complement $\overline{\textit{L}}$ are both recursively enumerable, then $\textit{L}$ must be recursive. ... $\textit{L}_{1} \cap \textit{L}_{2}$ must be deterministic context-free.
Which of the following statements is/are $\text{TRUE}?$Every subset of a recursively enumerable language is recursive.If a language $\textit{L}$ and its complement $\over...
15.4k
views
asked
Feb 15, 2022
Theory of Computation
gatecse-2022
theory-of-computation
identify-class-language
recursive-and-recursively-enumerable-languages
multiple-selects
1-mark
+
–
21
votes
1
answer
285
GATE CSE 2022 | Question: 14
Let $\text{WB}$ and $\text{WT}$ be two set associative cache organizations that use $\text{LRU}$ algorithm for cache block replacement. $\text{WB}$ is a write back cache and $\text{WT}$ ... cache to main memory. A read miss in $\text{WB}$ will never lead to eviction of a dirty block from $\text{WB}.$
Let $\text{WB}$ and $\text{WT}$ be two set associative cache organizations that use $\text{LRU}$ algorithm for cache block replacement. $\text{WB}$ is a write back cache ...
7.8k
views
asked
Feb 15, 2022
CO and Architecture
gatecse-2022
co-and-architecture
cache-memory
multiple-selects
1-mark
+
–
15
votes
2
answers
286
GATE CSE 2022 | Question: 15
Consider the following three relations in a relational database. $\text{Employee} (\underline{\text{eId}},\text{Name}), \; \text{Brand}(\underline{\text{bId}},\text{bName}), \; \text{Own}(\underline{\text{eId}},\underline{\text{bId}})$ Which of the following relational ... $ \Pi_{eId} \left( (\Pi_{eId}(Own) \times \Pi_{bId} (Own)) / \Pi_{bId} (Brand) \right)$
Consider the following three relations in a relational database.$\text{Employee} (\underline{\text{eId}},\text{Name}), \; \text{Brand}(\underline{\text{bId}},\text{bName}...
8.5k
views
asked
Feb 15, 2022
Databases
gatecse-2022
databases
relational-algebra
multiple-selects
1-mark
+
–
12
votes
2
answers
287
GATE CSE 2022 | Question: 16
Which of the following statements is/are $\text{TRUE}$ with respect to deadlocks? Circular wait is a necessary condition for the formation of deadlock. In a system where each resource has more than one instance, a cycle in its wait-for graph ... the resource-allocation graph of a system, if every edge is an assignment edge, then the system is not in deadlock state.
Which of the following statements is/are $\text{TRUE}$ with respect to deadlocks?Circular wait is a necessary condition for the formation of deadlock.In a system where ea...
12.5k
views
asked
Feb 15, 2022
Operating System
gatecse-2022
operating-system
resource-allocation
multiple-selects
1-mark
+
–
14
votes
2
answers
288
GATE CSE 2022 | Question: 17
Which of the following statements is/are $\text{TRUE}$ for a group $\textit{G}?$ If for all $x,y \in \textit{G}, \; (xy)^{2} = x^{2} y^{2},$ then $\textit{G}$ is commutative. If for all $x \in \textit{G}, \; x^{2} = 1,$ then ... $2,$ then $\textit{G}$ is commutative. If $\textit{G}$ is commutative, then a subgroup of $\textit{G}$ need not be commutative.
Which of the following statements is/are $\text{TRUE}$ for a group $\textit{G}?$If for all $x,y \in \textit{G}, \; (xy)^{2} = x^{2} y^{2},$ then $\textit{G}$ is commutati...
7.6k
views
asked
Feb 15, 2022
Set Theory & Algebra
gatecse-2022
set-theory&algebra
group-theory
multiple-selects
1-mark
+
–
41
votes
3
answers
289
GATE CSE 2022 | Question: 18
Suppose a binary search tree with $1000$ distinct elements is also a complete binary tree. The tree is stored using the array representation of binary heap trees. Assuming that the array indices start with $0,$ the $3^{\text{rd}}$ largest element of the tree is stored at index ______________ .
Suppose a binary search tree with $1000$ distinct elements is also a complete binary tree. The tree is stored using the array representation of binary heap trees. Assumin...
15.3k
views
asked
Feb 15, 2022
DS
gatecse-2022
numerical-answers
data-structures
binary-search-tree
1-mark
+
–
6
votes
3
answers
290
GATE CSE 2022 | Question: 19
Consider the augmented grammar with $\{ +, {\ast}, (,),\text{id} \}$ as the set of terminals. $S' \rightarrow S$ $S \rightarrow S + R\; |\; R$ $R \rightarrow R {\ast} P \;| \;P$ $P \rightarrow (S)\; |\; \text{id} $ If $I_{0}$ is ... $\{ [S' \rightarrow S.], [S \rightarrow S. + R] \}$, then $\textit{goto(closure}(I_{0}), +)$ contains exactly ______________ items.
Consider the augmented grammar with $\{ +, {\ast}, (,),\text{id} \}$ as the set of terminals.$S’ \rightarrow S$$S \rightarrow S + R\; |\; R$$R \rightarrow R {\ast} P \;...
7.3k
views
asked
Feb 15, 2022
Compiler Design
gatecse-2022
numerical-answers
compiler-design
parsing
lr-parser
1-mark
+
–
19
votes
5
answers
291
GATE CSE 2022 | Question: 20
Consider a simple undirected graph of $10$ vertices. If the graph is disconnected, then the maximum number of edges it can have is _______________ .
Consider a simple undirected graph of $10$ vertices. If the graph is disconnected, then the maximum number of edges it can have is _______________ .
8.9k
views
asked
Feb 15, 2022
Graph Theory
gatecse-2022
numerical-answers
graph-theory
graph-connectivity
1-mark
+
–
15
votes
1
answer
292
GATE CSE 2022 | Question: 21
Consider a relation $R (A, B, C, D, E)$ with the following three functional dependencies. $AB \rightarrow C; \; BC \rightarrow D; \; C \rightarrow E;$ The number of superkeys in the relation $R$ is ______________ .
Consider a relation $R (A, B, C, D, E)$ with the following three functional dependencies.$AB \rightarrow C; \; BC \rightarrow D; \; C \rightarrow E;$The number of superke...
8.7k
views
asked
Feb 15, 2022
Databases
gatecse-2022
numerical-answers
databases
database-normalization
1-mark
+
–
18
votes
3
answers
293
GATE CSE 2022 | Question: 22
The number of arrangements of six identical balls in three identical bins is _____________ .
The number of arrangements of six identical balls in three identical bins is _____________ .
10.5k
views
asked
Feb 15, 2022
Combinatory
gatecse-2022
numerical-answers
combinatory
balls-in-bins
1-mark
+
–
13
votes
2
answers
294
GATE CSE 2022 | Question: 23
A cache memory that has a hit rate of $0.8$ has an access latency $10 \; \text{ns}$ and miss penalty $100 \; \text{ns}.$ An optimization is done on the cache to reduce the miss rate. However, the optimization results ... (rounded off to two decimal places) needed after the optimization such that it should not increase the average memory access time is _______________.
A cache memory that has a hit rate of $0.8$ has an access latency $10 \; \text{ns}$ and miss penalty $100 \; \text{ns}.$ An optimization is done on the cache to reduce th...
9.1k
views
asked
Feb 15, 2022
CO and Architecture
gatecse-2022
numerical-answers
co-and-architecture
cache-memory
1-mark
+
–
12
votes
4
answers
295
GATE CSE 2022 | Question: 24
The value of the following limit is ________________. $\lim_{x \rightarrow 0^{+}} \frac{\sqrt{x}}{1-e^{2\sqrt{x}}}$
The value of the following limit is ________________.$$\lim_{x \rightarrow 0^{+}} \frac{\sqrt{x}}{1-e^{2\sqrt{x}}}$$
6.5k
views
asked
Feb 15, 2022
Calculus
gatecse-2022
numerical-answers
calculus
limits
1-mark
+
–
16
votes
4
answers
296
GATE CSE 2022 | Question: 25
Consider the resolution of the domain name $\textsf{www.gate.org.in}$ by a $\text{DNS}$ resolver. Assume that no resource records are cached anywhere across the $\text{DNS}$ servers and that iterative query mechanism is used in the resolution. The number of $\text{DNS}$ query-response pairs involved in completely resolving the domain name is ________________.
Consider the resolution of the domain name $\textsf{www.gate.org.in}$ by a $\text{DNS}$ resolver. Assume that no resource records are cached anywhere across the $\text{DN...
11.4k
views
asked
Feb 15, 2022
Computer Networks
gatecse-2022
numerical-answers
computer-networks
1-mark
+
–
26
votes
6
answers
297
GATE CSE 2022 | Question: 26
Which one of the following is the closed form for the generating function of the sequence $\{ a_{n} \}_{n \geq 0}$ defined below? $ a_{n} = \left\{\begin{matrix} n + 1, & \text{n is odd} & \\ 1, & \text{otherwise} & \end{matrix}\right.$ ... $\frac{2x}{(1-x^{2})^{2}} + \frac{1}{1-x}$ $\frac{x}{(1-x^{2})^{2}} + \frac{1}{1-x}$
Which one of the following is the closed form for the generating function of the sequence $\{ a_{n} \}_{n \geq 0}$ defined below?$$ a_{n} = \left\{\begin{matrix} n + 1, &...
9.6k
views
asked
Feb 15, 2022
Combinatory
gatecse-2022
combinatory
generating-functions
2-marks
+
–
14
votes
3
answers
298
GATE CSE 2022 | Question: 27
Consider a simple undirected unweighted graph with at least three vertices. If $\textit{A}$ is the adjacency matrix of the graph, then the number of $3–$cycles in the graph is given by the trace of $\textit{A}^{3}$ $\textit{A}^{3}$ divided by $2$ $\textit{A}^{3}$ divided by $3$ $\textit{A}^{3}$ divided by $6$
Consider a simple undirected unweighted graph with at least three vertices. If $\textit{A}$ is the adjacency matrix of the graph, then the number of $3–$cycles in the g...
7.6k
views
asked
Feb 15, 2022
Graph Theory
gatecse-2022
graph-theory
graph-connectivity
2-marks
+
–
23
votes
2
answers
299
GATE CSE 2022 | Question: 28
Which one of the following statements is $\text{FALSE}?$ The $\text{TLB}$ performs an associative search in parallel on all its valid entries using page number of incoming virtual address. If the virtual address of a word given by $\text{CPU}$ has a ... $\text{V2}$ map to the same value while hashing, then the memory access time of these addresses will not be the same.
Which one of the following statements is $\text{FALSE}?$The $\text{TLB}$ performs an associative search in parallel on all its valid entries using page number of incoming...
8.1k
views
asked
Feb 15, 2022
Operating System
gatecse-2022
operating-system
memory-management
translation-lookaside-buffer
2-marks
+
–
12
votes
2
answers
300
GATE CSE 2022 | Question: 29
Let $\textit{R}_{i}(z)$ and $\textit{W}_{i}(z)$ denote read and write operations on a data element $z$ by a transaction $\textit{T}_{i},$ respectively. Consider the schedule $\textit{S}$ ... $T_{4} \rightarrow T_{1} \rightarrow T_{3} \rightarrow T_{2}$ $T_{3} \rightarrow T_{1} \rightarrow T_{4} \rightarrow T_{2}$
Let $\textit{R}_{i}(z)$ and $\textit{W}_{i}(z)$ denote read and write operations on a data element $z$ by a transaction $\textit{T}_{i},$ respectively. Consider the sched...
8.7k
views
asked
Feb 15, 2022
Databases
gatecse-2022
databases
transaction-and-concurrency
conflict-serializable
2-marks
+
–
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