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1

GATE2000-2.5
A relation $R$ is defined on the set of integers as $xRy$ iff $(x + y)$ is even. Which of the following statements is true? $R$ is not an equivalence relation $R$ is an equivalence relation having 1 equivalence class $R$ is an equivalence relation having 2 equivalence classes $R$ is an equivalence relation having 3 equivalence classes

A relation $R$ is defined on the set of integers as $xRy$ iff $(x + y)$ is even. Which of the following statements is true? $R$ is not an equivalence relation $R$ is an equivalence relation having 1 equivalence class $R$ is an equivalence relation having 2 equivalence classes $R$ is an equivalence relation having 3 equivalence classes

commented 44 minutes ago in Set Theory & Algebra 404 found 5.4k views

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1 answer

2

UGCNET-Oct2020-II: 35
The process of removing details from a given state representation is called _____ Extraction Mining Selection Abstraction

The process of removing details from a given state representation is called _____ Extraction Mining Selection Abstraction

recategorized 48 minutes ago in Data Mining and Warehousing Krithiga2101 15 views

0 votes

1 answer

3

UGCNET-Oct2020-II: 91
Comprehension: For the question given below: concern a disk with a sector size of $512$ bytes, $2000$ tracks per surface, $50$ sectors per track, five double-sided platters, and average seek time of $10$ milliseconds. If $T$ is the capacity of a track in bytes, and $S$ is the capacity of ... $(50 K, 50000 K)$ $(25 K, 25000 K)$ $(25 K, 50000 K)$ $(40 K, 36000 K)$

Comprehension: For the question given below: concern a disk with a sector size of $512$ bytes, $2000$ tracks per surface, $50$ sectors per track, five double-sided platters, and average seek time of $10$ milliseconds. If $T$ is the capacity of a track in bytes, and $S$ is the capacity of each surface in ... $(T,S)=$ _______ $(50 K, 50000 K)$ $(25 K, 25000 K)$ $(25 K, 50000 K)$ $(40 K, 36000 K)$

recategorized 52 minutes ago in Operating System Krithiga2101 8 views

0 votes

1 answer

4

UGCNET-Oct2020-II: 93
Comprehension: For the question given below: concern a disk with a sector size of $512$ bytes, $2000$ tracks per surface, $50$ sectors per track, five double-sided platters, and average seek time of $10$ milliseconds. Given below are two statements: ... are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

Comprehension: For the question given below: concern a disk with a sector size of $512$ bytes, $2000$ tracks per surface, $50$ sectors per track, five double-sided platters, and average seek time of $10$ milliseconds. Given below are two statements: Statement $I$: The ... $II$ are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

recategorized 52 minutes ago in Operating System Krithiga2101 8 views

0 votes

1 answer

5

UGCNET-Oct2020-II: 92
Comprehension: For the question given below: concern a disk with a sector size of $512$ bytes, $2000$ tracks per surface, $50$ sectors per track, five double-sided platters, and average seek time of $10$ milliseconds. What is the capacity of the disk, in bytes? $25,000 K$ $500,000 K$ $250,000 K$ $50,000 K$

Comprehension: For the question given below: concern a disk with a sector size of $512$ bytes, $2000$ tracks per surface, $50$ sectors per track, five double-sided platters, and average seek time of $10$ milliseconds. What is the capacity of the disk, in bytes? $25,000 K$ $500,000 K$ $250,000 K$ $50,000 K$

recategorized 52 minutes ago in Operating System Krithiga2101 10 views

0 votes

1 answer

6

UGCNET-Oct2020-II: 95
For the question given below, concern a disk with a sector size of $512$ bytes, $2000$ tracks per surface, $50$ sectors per track, five double-sided platters, and average seek time of $10$ milliseconds. If one track of data can be transferred per revolution, ... is the data transfer rate? $2,850$ KBytes/second $4,500$ KBytes/second $5,700$ KBytes/second $2,250$ KBytes/second

For the question given below, concern a disk with a sector size of $512$ bytes, $2000$ tracks per surface, $50$ sectors per track, five double-sided platters, and average seek time of $10$ milliseconds. If one track of data can be transferred per revolution, then what is the data transfer rate? $2,850$ KBytes/second $4,500$ KBytes/second $5,700$ KBytes/second $2,250$ KBytes/second

recategorized 52 minutes ago in Operating System Krithiga2101 8 views

0 votes

1 answer

7

UGCNET-Oct2020-II: 94
Comprehension: For the question given below, concern a disk with a sector size of $512$ bytes, $2000$ tracks per surface, $50$ sectors per track, five double-sided platters, and average seek time of $10$ ... , then approximately what is the maximum rotational delay? $0.011$ seconds $0.11$ seconds $0.0011$ seconds $1.1$ seconds

Comprehension: For the question given below, concern a disk with a sector size of $512$ bytes, $2000$ tracks per surface, $50$ sectors per track, five double-sided platters, and average seek time of $10$ milliseconds. If the disk platters rotate at $5400$ rpm ( ... minute), then approximately what is the maximum rotational delay? $0.011$ seconds $0.11$ seconds $0.0011$ seconds $1.1$ seconds

recategorized 52 minutes ago in Operating System Krithiga2101 8 views

0 votes

1 answer

8

UGCNET-Oct2020-II: 99
Consider the following table structures related to a university for the below question. EMPLOYEE NAME VARCHAR (30) NOT NULL, EID VARCHAR (10) NOT NULL, DEPTNO INT (5) NOT NULL, HODEID VARCHAR (10), SALARY INT (10), PRIMARY KEY (EID), FOREIGN KEY (HODEID) REFERENCES EMPLOYEE ( ... answer from the options given below: $a$ and $b$ only $a$ and $c$ only $b$ and $c$ only $a$ only

Consider the following table structures related to a university for the below question. EMPLOYEE NAME VARCHAR (30) NOT NULL, EID VARCHAR (10) NOT NULL, DEPTNO INT (5) NOT NULL, HODEID VARCHAR (10), SALARY INT (10), PRIMARY KEY (EID), FOREIGN KEY (HODEID) REFERENCES EMPLOYEE (EID), FOREIGN ... correct answer from the options given below: $a$ and $b$ only $a$ and $c$ only $b$ and $c$ only $a$ only

recategorized 52 minutes ago in Databases Krithiga2101 9 views

0 votes

1 answer

9

UGCNET-Oct2020-II: 98
Consider the following table structures related to a university for the below question. EMPLOYEE NAME VARCHAR (30) NOT NULL, EID VARCHAR (10) NOT NULL, DEPTNO INT (5) NOT NULL, HODEID VARCHAR (10), SALARY INT (10), PRIMARY KEY (EID), FOREIGN KEY (HODEID) REFERENCES ... the correct answer from the options given below: $a$ and $b$ only $a$ and $c$ only $b$ only $c$ only

Consider the following table structures related to a university for the below question. EMPLOYEE NAME VARCHAR (30) NOT NULL, EID VARCHAR (10) NOT NULL, DEPTNO INT (5) NOT NULL, HODEID VARCHAR (10), SALARY INT (10), PRIMARY KEY (EID), FOREIGN KEY (HODEID) REFERENCES EMPLOYEE (EID), ... EID Choose the correct answer from the options given below: $a$ and $b$ only $a$ and $c$ only $b$ only $c$ only

recategorized 52 minutes ago in Databases Krithiga2101 9 views

0 votes

1 answer

10

UGCNET-Oct2020-II: 97
Consider the following table structures related to a university for the below question. EMPLOYEE NAME VARCHAR (30) NOT NULL, EID VARCHAR (10) NOT NULL, DEPTNO INT (5) NOT NULL, HODEID VARCHAR (10), SALARY INT (10), PRIMARY KEY (EID), FOREIGN KEY (HODEID ... $II$ are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

Consider the following table structures related to a university for the below question. EMPLOYEE NAME VARCHAR (30) NOT NULL, EID VARCHAR (10) NOT NULL, DEPTNO INT (5) NOT NULL, HODEID VARCHAR (10), SALARY INT (10), PRIMARY KEY (EID), FOREIGN KEY (HODEID) REFERENCES ... $II$ are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

recategorized 52 minutes ago in Databases Krithiga2101 9 views

0 votes

1 answer

11

UGCNET-Oct2020-II: 100
Consider the following table structures related to a university for the below question. EMPLOYEE NAME VARCHAR (30) NOT NULL, EID VARCHAR (10) NOT NULL, DEPTNO INT (5) NOT NULL, HODEID VARCHAR (10), SALARY INT (10), PRIMARY KEY (EID), FOREIGN KEY (HODEID) REFERENCES ... the correct answer from the options given below: $a$ and $b$ only $a$ only $b$ and $c$ only $c$ only

Consider the following table structures related to a university for the below question. EMPLOYEE NAME VARCHAR (30) NOT NULL, EID VARCHAR (10) NOT NULL, DEPTNO INT (5) NOT NULL, HODEID VARCHAR (10), SALARY INT (10), PRIMARY KEY (EID), FOREIGN KEY (HODEID) REFERENCES EMPLOYEE (EID), ... ) Choose the correct answer from the options given below: $a$ and $b$ only $a$ only $b$ and $c$ only $c$ only

recategorized 52 minutes ago in Databases Krithiga2101 10 views

0 votes

1 answer

12

UGCNET-Oct2020-II: 96
Consider the following table structures related to a university for the below question. EMPLOYEE NAME VARCHAR (30) NOT NULL, EID VARCHAR (10) NOT NULL, DEPTNO INT (5) NOT NULL, HODEID VARCHAR (10), SALARY INT (10), PRIMARY KEY (EID), FOREIGN ... 40); SELECT DISTINCT EMPID FROM PROJECTWORK WHERE PROJNO IN(20,30,40); SELECT DISTINCT EMPID FROM PROJECTWORK WHERE PROJNO=20,30,40;

Consider the following table structures related to a university for the below question. EMPLOYEE NAME VARCHAR (30) NOT NULL, EID VARCHAR (10) NOT NULL, DEPTNO INT (5) NOT NULL, HODEID VARCHAR (10), SALARY INT (10), PRIMARY KEY (EID), FOREIGN KEY (HODEID) ... 20,30,40); SELECT DISTINCT EMPID FROM PROJECTWORK WHERE PROJNO IN(20,30,40); SELECT DISTINCT EMPID FROM PROJECTWORK WHERE PROJNO=20,30,40;

recategorized 1 hour ago in Databases Krithiga2101 11 views

0 votes

1 answer

13

UGCNET-Oct2020-II: 81
Given below are two statements: Statement $I$: Hardwired control unit can be optimized to produce fast mode of operation Statement $II$: Indirect addressing mode needs two memory reference to fetch operand In the light of the above statements, choose the correct ... false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

Given below are two statements: Statement $I$: Hardwired control unit can be optimized to produce fast mode of operation Statement $II$: Indirect addressing mode needs two memory reference to fetch operand In the light of the above statements, choose the correct answer from the ... are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

recategorized 1 hour ago in CO and Architecture Krithiga2101 9 views

0 votes

0 answers

14

UGCNET-Oct2020-II: 82
Given below are two statements: Statement $I$: Bezier curves are curves that interpolate all of their control points Statement $II$: A cubic bezier curve has four control points In the light of the above statements, choose the correct answer from the options ... false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

Given below are two statements: Statement $I$: Bezier curves are curves that interpolate all of their control points Statement $II$: A cubic bezier curve has four control points In the light of the above statements, choose the correct answer from the options given below Both ... $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

recategorized 1 hour ago in Computer Graphics Krithiga2101 8 views

0 votes

1 answer

15

UGCNET-Oct2020-II: 85
Statement $I$: Quality control involves the series of inspections, reviews and tests used throughout the software process, to ensure each work product meets the requirements placed upon it. Statement $II$: Quality assurance consists of auditing and reporting functions ... $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

Statement $I$: Quality control involves the series of inspections, reviews and tests used throughout the software process, to ensure each work product meets the requirements placed upon it. Statement $II$: Quality assurance consists of auditing and reporting functions of management ... false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

recategorized 1 hour ago in IS&Software Engineering Krithiga2101 10 views

0 votes

1 answer

16

UGCNET-Oct2020-II: 84
Assuming that the system call $\text{fork}()$ never fails, consider the following C program $P1$ and $P2$ ... $II$ are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

Assuming that the system call $\text{fork}()$ never fails, consider the following C program $P1$ and $P2$ ... Both Statement $I$ and Statement $II$ are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

recategorized 1 hour ago in Operating System Krithiga2101 14 views

0 votes

0 answers

17

UGCNET-Oct2020-II: 83
Given below are two statements: If two variables $V_1$ and $V_2$ are used for clustering, then consider the following statements for $k$ means clustering with $k=3$: Statement $I$: If $V_1$ and $V_2$ have correlation of $1$ the cluster centroid will be ... $II$ are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

Given below are two statements: If two variables $V_1$ and $V_2$ are used for clustering, then consider the following statements for $k$ means clustering with $k=3$: Statement $I$: If $V_1$ and $V_2$ have correlation of $1$ the cluster centroid will be in straight ... Statement $II$ are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

recategorized 1 hour ago in Algorithms Krithiga2101 8 views

0 votes

1 answer

18

UGCNET-Oct2020-II: 87
Given below are two statements: Statement $I$: The problem Is $L_1 \wedge L_2 = \phi$? is undecidable for context sensitive languages $L_1$ and $L_2$ Statement $II$: The problem Is $W \in L$? is decidable for context sensitive language $L$. ... $II$ are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

Given below are two statements: Statement $I$: The problem Is $L_1 \wedge L_2 = \phi$? is undecidable for context sensitive languages $L_1$ and $L_2$ Statement $II$: The problem Is $W \in L$? is decidable for context sensitive language $L$. (where $W$ is ... $II$ are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

recategorized 1 hour ago in Theory of Computation Krithiga2101 12 views

0 votes

0 answers

19

UGCNET-Oct2020-II: 86
Let $G$ be a simple undirected graph, $T_D$ be a DFS tree on $G$, and $T_B$ be the BFS tree on $G$. Consider the following statements. Statement $I$: No edge of $G$ is a cross with respect to $T_D$ Statement $II$ ... $I$ and Statement $II$ are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

Let $G$ be a simple undirected graph, $T_D$ be a DFS tree on $G$, and $T_B$ be the BFS tree on $G$. Consider the following statements. Statement $I$: No edge of $G$ is a cross with respect to $T_D$ Statement $II$: For every edge $(u,v)$ of $G$ ... Statement $I$ and Statement $II$ are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

recategorized 1 hour ago in Discrete Mathematics Krithiga2101 13 views

0 votes

1 answer

20

UGCNET-Oct2020-II: 89
Given below are two statements: Statement $I$: In Ceasar Cipher each letter of Plain text is replaced by another letter for encryption Statement $II$: Diffie-Hellman algorithm is used for exchange of secret key In the light of the above statements, choose the ... false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

Given below are two statements: Statement $I$: In Ceasar Cipher each letter of Plain text is replaced by another letter for encryption Statement $II$: Diffie-Hellman algorithm is used for exchange of secret key In the light of the above statements, choose the correct answer ... $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

recategorized 1 hour ago in Computer Networks Krithiga2101 11 views

0 votes

1 answer

21

UGCNET-Oct2020-II: 90
Given below are two statements: Statement $I$: A genetic algorithm is a stochastic hill-climbing search in which a large population of states is maintained Statement $II$: In nondeterministic environments, agents can apply AND-OR search to generate contingent plans ... Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

Given below are two statements: Statement $I$: A genetic algorithm is a stochastic hill-climbing search in which a large population of states is maintained Statement $II$: In nondeterministic environments, agents can apply AND-OR search to generate contingent plans that reach the ... false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

recategorized 1 hour ago in Algorithms Krithiga2101 7 views

0 votes

1 answer

22

UGCNET-Oct2020-II: 88
Given below are two statements: Statement $I$: The laws of nature put two fundamental limits on data rate of a channel. The H.Nyquist limit restricts the number of independent samples per second to twice the band-width in a Noiseless channel Statement $II$: ... are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

Given below are two statements: Statement $I$: The laws of nature put two fundamental limits on data rate of a channel. The H.Nyquist limit restricts the number of independent samples per second to twice the band-width in a Noiseless channel Statement $II$: Shannon's major ... $II$ are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true

recategorized 1 hour ago in Computer Networks Krithiga2101 8 views

0 votes

1 answer

23

UGCNET-Oct2020-II: 56
Consider the following languages: $L_1=\{a^{\grave{z}^z} \mid \grave{Z} \text{ is an integer} \}$ $L_2=\{a^{z\grave{z}} \mid \grave{Z} \geq 0\}$ $L_3=\{ \omega \omega \mid \omega \epsilon \{a,b\}^*\}$ Which of the languages is(are) regular? Choose the correct answer from the options given below: $L_1$ and $L_2$ only $L_1$ and $L_3$ only $L_1$ only $L_2$ only

Consider the following languages: $L_1=\{a^{\grave{z}^z} \mid \grave{Z} \text{ is an integer} \}$ $L_2=\{a^{z\grave{z}} \mid \grave{Z} \geq 0\}$ $L_3=\{ \omega \omega \mid \omega \epsilon \{a,b\}^*\}$ Which of the languages is(are) regular? Choose the correct answer from the options given below: $L_1$ and $L_2$ only $L_1$ and $L_3$ only $L_1$ only $L_2$ only

commented 1 hour ago in Theory of Computation Sanjay Sharma 20 views

0 votes

1 answer

24

UGCNET-Oct2020-II: 78
Consider the undirected graph below: Using Prim's algorithm to construct a minimum spanning tree starting with node $a$ ... $(a,b), (g,h), (g,f), (c,f), (c,i), (f,e), (b,c), (d,e)$

Consider the undirected graph below: Using Prim's algorithm to construct a minimum spanning tree starting with node $a$ ... $(a,b), (g,h), (g,f), (c,f), (c,i), (f,e), (b,c), (d,e)$

recategorized 2 hours ago in Algorithms Krithiga2101 17 views

0 votes

1 answer

25

UGCNET-Oct2020-II: 77
Arrange the following types of Cohesion from the best to worst type. Logical Cohesion Sequential Cohesion Communication Cohesion Temporal Cohesion Procedural Cohesion Choose the correct answer from the options given below: ... $b \rightarrow c \rightarrow e \rightarrow d \rightarrow a$

Arrange the following types of Cohesion from the best to worst type. Logical Cohesion Sequential Cohesion Communication Cohesion Temporal Cohesion Procedural Cohesion Choose the correct answer from the options given below: ... $b \rightarrow c \rightarrow e \rightarrow d \rightarrow a$

recategorized 2 hours ago in IS&Software Engineering Krithiga2101 10 views

0 votes

1 answer

26

UGCNET-Oct2020-II: 76
Given below are different properties of $3D$ projections from $A-D$. Identify the correct order on the basis of property true of $(i)$ a perspective projection only, $(ii)$ an orthographic projection only, $(iii)$ both orthographic and projective transformations and $(iv)$ ... Choose the correct answer from the options given below: d,c,b,a b,c,d,a d,c,a,b c,d,b,a

Given below are different properties of $3D$ projections from $A-D$. Identify the correct order on the basis of property true of $(i)$ a perspective projection only, $(ii)$ an orthographic projection only, $(iii)$ both orthographic and projective transformations and $(iv)$ neither ... transformation Choose the correct answer from the options given below: d,c,b,a b,c,d,a d,c,a,b c,d,b,a

recategorized 2 hours ago in Computer Graphics Krithiga2101 9 views

0 votes

1 answer

27

UGCNET-Oct2020-II: 80
Given below are two statements: Statement $I$: $5$ divides $n^5-n$ wherever $n$ is a nonnegative integer Statement $II$: $6$ divides $n^3-n$ whenever $n$ is a nonnegative integer In the light of the above statements, choose the correct answer ... $II$ are incorrect Statement $I$ is correct but Statement $II$ is incorrect Statement $I$ is incorrect but Statement $II$ is correct

Given below are two statements: Statement $I$: $5$ divides $n^5-n$ wherever $n$ is a nonnegative integer Statement $II$: $6$ divides $n^3-n$ whenever $n$ is a nonnegative integer In the light of the above statements, choose the correct answer from the ... Statement $II$ are incorrect Statement $I$ is correct but Statement $II$ is incorrect Statement $I$ is incorrect but Statement $II$ is correct

recategorized 2 hours ago in General Aptitude Krithiga2101 20 views

0 votes

1 answer

28

UGCNET-Oct2020-II: 79
Consider the following regular expressions: $r=a(b+a)^*$ $s=a(a+b)^*$ $t=aa^*b$ Choose the correct answer from the options given below based on the relation between the languages generated by the regular expressions above: $L(r) \subseteq L(s) \subseteq L(t)$ $L(r) \supseteq L(s) \supseteq L(t)$ $L(r) \supseteq L(t) \supseteq L(s)$ $L(s) \supseteq L(t) \supseteq L(r)$

Consider the following regular expressions: $r=a(b+a)^*$ $s=a(a+b)^*$ $t=aa^*b$ Choose the correct answer from the options given below based on the relation between the languages generated by the regular expressions above: $L(r) \subseteq L(s) \subseteq L(t)$ $L(r) \supseteq L(s) \supseteq L(t)$ $L(r) \supseteq L(t) \supseteq L(s)$ $L(s) \supseteq L(t) \supseteq L(r)$

recategorized 2 hours ago in Theory of Computation Krithiga2101 10 views

0 votes

1 answer

29

UGCNET-Oct2020-II: 27
Consider $L=L_1 \cap L_2$ where $L_1 = \{ 0^m 1^m 20^n 1^n \mid m,n \geq 0 \}$ $L_2 = \{0^m1^n2^k \mid m,n,k \geq 0 \}$ Then, the language $L$ is Recursively enumerable but not context free Regular Context free but not regular Not recursive

Consider $L=L_1 \cap L_2$ where $L_1 = \{ 0^m 1^m 20^n 1^n \mid m,n \geq 0 \}$ $L_2 = \{0^m1^n2^k \mid m,n,k \geq 0 \}$ Then, the language $L$ is Recursively enumerable but not context free Regular Context free but not regular Not recursive

commented 2 hours ago in Theory of Computation Sanjay Sharma 20 views

0 votes

1 answer

30

UGCNET-Oct2020-II: 62
Which of the following statements are true? A sentence $\alpha$ entails another sentence $\beta$ if $\beta$ is true in few worlds where $\alpha$ is true Forward chaining and backward chaining are very natural reasoning algorithms for knowledge bases in Horn form Sound inference algorithms derive all ... $(b)$ and $(c)$ only $(c)$ and $(d)$ only $(b)$ and $(d)$ only

Which of the following statements are true? A sentence $\alpha$ entails another sentence $\beta$ if $\beta$ is true in few worlds where $\alpha$ is true Forward chaining and backward chaining are very natural reasoning algorithms for knowledge bases in Horn form Sound inference algorithms derive all sentences that are ... $(b)$ only $(b)$ and $(c)$ only $(c)$ and $(d)$ only $(b)$ and $(d)$ only

recategorized 2 hours ago in Algorithms Krithiga2101 14 views

tags	tag:apple
author	user:martin
title	title:apple
content	content:apple
exclude	-tag:apple
force match	+apple
views	views:100
score	score:10
answers	answers:2
is accepted	isaccepted:true
is closed	isclosed:true

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