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Recent questions and answers in Artificial Intelligence

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Machine Learning
You are a designing a machine learning model for a binary classification problem. The model has three features: f1, f2, f3. Derive the objective and loss function for this problem.

rayhanrjt asked in Artificial Intelligence Nov 25

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UGC NET CSE | June 2016 | Part 3 | Question: 66
A perceptron has input weights $W_1=-3.9$ and $W_2=1.1$ with threshold value $T=0.3.$ What output does it give for the input $x_1=1.3$ and $x_2=2.2?$ $-2.65$ $-2.30$ $0$ $1$

anis7860 answered in Artificial Intelligence May 30, 2021

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UGC NET CSE | June 2016 | Part 3 | Question: 75
A software program that infers and manipulates existing knowledge in order to generate new knowledge is known as: Data dictionary Reference mechanism Inference engine Control strategy

soujanyareddy13 asked in Artificial Intelligence May 10, 2021

by soujanyareddy13

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UGC NET CSE | October 2020 | Part 2 | Question: 36
Which of the following is NOT true in problem solving in artificial intelligence? Implements heuristic search technique Solution steps are not explicit Knowledge is imprecise It works on or implements repetition mechanism

go_editor asked in Artificial Intelligence Nov 20, 2020

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UGC NET CSE | July 2018 | Part 2 | Question: 71
In artificial Intelligence (AI), an environment is uncertain if it is ___ Not fully observable and not deterministic Not fully observable or not deterministic Fully observable but not deterministic Not fully observable but deterministic

abhishek tiwary answered in Artificial Intelligence Nov 10, 2020

by abhishek tiwary

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UGC NET CSE | January 2017 | Part 3 | Question: 55
Consider following two rules $\text{R1}$ and $\text{R2}$ in logical reasoning in Artificial Intelligence (AI): $\text{R1}:$ From $\alpha \supset \beta \; \frac{\text{and}\; \alpha}{\text{Inter} \; \beta }$ is known as Modulus Tollens (MT) ... is correct. Both $\text{R1}$ and $\text{R2}$ are correct. Neither $\text{R1}$ nor $\text{R2}$ is correct.

go_editor asked in Artificial Intelligence Mar 24, 2020

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UGC NET CSE | June 2019 | Part 2 | Question: 97
Consider the following: Evolution Selection Reproduction Mutation Which of the following are found in genetic algorithms? b, c and d only b and d only a, b, c and d a, b and d only

Rashmi Ashutosh Vish answered in Artificial Intelligence Nov 28, 2019

by Rashmi Ashutosh Vish

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UGC NET CSE | June 2019 | Part 2 | Question: 94
A fuzzy conjunction operator denoted as $t(x,y)$ and a fuzzy disjunction operator denoted as $s(x,y)$ form a dual pair if they satisfy the condition: $t(x,y) = 1-s(x,y)$ $t(x,y) = s(1-x,1-y)$ $t(x,y) = 1-s(1-x,1-y)$ $t(x,y) = s(1+x,1+y)$

hashida answered in Artificial Intelligence Nov 15, 2019

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UGC NET CSE | June 2019 | Part 2 | Question: 100
Reinforcement learning can be formalized in terms of ____ in which the agent initially only knows the set of possible _____ and the set of possible actions. Markov decision processes, objects Hidden states, objects Markov decision processes, states objects, states

Nbhardwaj answered in Artificial Intelligence Sep 13, 2019

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UGC NET CSE | June 2019 | Part 2 | Question: 99
The value of the derivative of Sigmoid function given by $f(x)=\dfrac{1}{1+e^{-2x}}$ at $x=0$ is $0$ $\frac{1}{2}$ $\frac{1}{4}$ $\infty$

nirban.das answered in Artificial Intelligence Aug 31, 2019

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UGC NET CSE | June 2019 | Part 2 | Question: 92
Math List-I with List-II: ... (c) - (i) (a) - (i) ; (b) - (iii); (c) - (ii) (a) - (ii) ; (b) - (iii); (c) - (i)

Sanjay Sharma answered in Artificial Intelligence Jul 12, 2019

by Sanjay Sharma

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UGC NET CSE | June 2019 | Part 2 | Question: 91
Consider the game tree given below: Here $\bigcirc$ and $\Box$ represents MIN and MAX nodes respectively. The value of the root node of the game tree is $4$ $7$ $11$ $12$

Sanjay Sharma answered in Artificial Intelligence Jul 11, 2019

by Sanjay Sharma

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UGC NET CSE | June 2019 | Part 2 | Question: 98
Which of the following is an example of unsupervised neural network? Back-propagation network Hebb network Associative memory network Self-organizing feature map

Ram Swaroop answered in Artificial Intelligence Jul 6, 2019

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UGC NET CSE | June 2019 | Part 2 | Question: 93
The STRIPS representation is a feature-centric representation an action-centric representation a combination of feature-centric and action-centric representations a hierarchical feature-centric representation

Ram Swaroop answered in Artificial Intelligence Jul 6, 2019

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UGC NET CSE | July 2018 | Part 2 | Question: 72
In artificial Intelligence (AI), a simple reflex agent selects actions on the basis of ___ current percept, completely ignoring rest of the percept history rest of the percept history, completely ignoring the current percept both current percept and complete percept history both current percept and just previous percept

shahidhope answered in Artificial Intelligence Mar 6, 2019

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UGC NET CSE | July 2018 | Part 2 | Question: 74
Consider following sentences regarding $A^*$, an informed search strategy in Artificial Intelligence (AI). $A^*$ expands all nodes with $f(n)<C^*$ $A^*$ expands no nodes with $f(n) \geq C^*$ Pruning is integral to $A^*$ ... Both statements a and statement c are true Both statements b and statement c are true All the statements a, b and c are true

kmittal1908 answered in Artificial Intelligence Dec 12, 2018

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UGC NET CSE | July 2018 | Part 2 | Question: 78
Consider the following two sentences: The planning graph data structure can be used to give a better heuristic for a planning problem Dropping negative effects from every action schema in a planning problem results in a relaxed problem Which of the ... b are true Sentence a is true but sentence b is false Sentence a is false but sentence b is true

sunnykg answered in Artificial Intelligence Jul 20, 2018

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UGC NET CSE | July 2018 | Part 2 | Question: 73
In heuristic search algorithms in Artificial Intelligence (AI), if a collection of admissible heuristics $h_1 \dots h_m$ is available for a problem and none of them dominates any of the others, which should we choose? $h(n)=max\{h_1(n), \dots , h_m(n)\}$ ... $h(n)=avg\{h_1(n), \dots , h_m(n)\}$ $h(n)=sum\{h_1(n), \dots , h_m(n)\}$

shahidhope answered in Artificial Intelligence Jul 15, 2018

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UGC NET CSE | June 2014 | Part 3 | Question: 30
Slots and facets are used in Semantic Networks Frames Rules All of these

Prasanjeet Ghosh answered in Artificial Intelligence May 12, 2018

by Prasanjeet Ghosh

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UGC NET CSE | June 2014 | Part 3 | Question: 28
Match the following $:$ ... $\text{a-i, b-ii, c-iii, d-iv}$ $\text{a-iv, b-iii, c-ii, d-i}$

Prasanjeet Ghosh answered in Artificial Intelligence May 12, 2018

by Prasanjeet Ghosh

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UGC NET CSE | June 2014 | Part 3 | Question: 14
Which one of the following describes the syntax of prolog program? Rules and facts are terminated by full stop(.) Rules and facts are terminated by semi colon(;) Variables names must start with upper case alphabets. Variables names must start with lower case alphabets. I, II III, IV I, III II, IV

Prasanjeet Ghosh answered in Artificial Intelligence May 12, 2018

by Prasanjeet Ghosh

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2 answers

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UGC NET CSE | June 2014 | Part 3 | Question: 09
Perceptron learning, Delta learning and $LMS$ learning are learning methods which falls under the category of Error correction learning - learning with a teacher Reinforcement learning - learning with a critic Hebbian learning Competitive learning - learning without a teacher

Prasanjeet Ghosh answered in Artificial Intelligence May 12, 2018

by Prasanjeet Ghosh

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Required Artificial Intelligence resources for UGC NET
Hi I need some useful resources of AI for upcoming UGC NET exam. Currently, I am reading from Rich and Knight, Is it enough? Please let me know about any good quality books or video lectures.

iarnav answered in Artificial Intelligence Mar 1, 2018

by iarnav

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24

Artificial Intelligence Heuristic problem Confusion

LavTheRawkstar asked in Artificial Intelligence Sep 27, 2017

by LavTheRawkstar

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UGC NET CSE | December 2015 | Part 3 | Question: 64
Consider the two class classification task that consists of the following points: Class $C_1: [-1, -1], [-1, 1], [1, -1]$ Class $C_2: [1,1]$ The decision boundary between the two classes $C_1$ and $C_2$ using single perception is given by: $x_1-x_2-0.5=0$ $-x_1-x_2-0.5=0$ $0.5(x_1+x_2)-1.5=0$ $x_1+x_2-0.5=0$

Sanjay Sharma answered in Artificial Intelligence Jan 21, 2017

by Sanjay Sharma

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UGC NET CSE | December 2015 | Part 3 | Question: 46
Language model used in LISP is Functional programming Logic programming Object oriented programming All of the above

sh!va answered in Artificial Intelligence Aug 11, 2016

by sh!va

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UGC NET CSE | December 2015 | Part 3 | Question: 45
Reasoning strategies used in expert systems include Forward chaining, backward chaining and problem reduction Forward chaining, backward chaining and boundary mutation Forward chaining, backward chaining and back propagation Forward chaining, problem reduction and boundary mutation

sh!va answered in Artificial Intelligence Aug 11, 2016

by sh!va

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UGC NET CSE | December 2015 | Part 3 | Question: 8
Forward chaining systems are ____ where as backward chaining systems are ____ Data driven, Data driven Goal driven, Data driven Data driven, Goal driven Goal driven, Goal driven

Sanjay Sharma answered in Artificial Intelligence Aug 9, 2016

by Sanjay Sharma

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UGC NET CSE | December 2014 | Part 3 | Question: 72
Match the following learning modes $w.r.t$. characteristics of available information for learning : a. Supervised i. Instructive information on desired responses, explicitly specified by a teacher. b. Recording ii. A priori design information for memory storing c. Reinforcement ... Codes : a b c d i ii iii iv i iii ii iv ii iv iii i ii iii iv i

Sanjay Sharma answered in Artificial Intelligence Aug 2, 2016

by Sanjay Sharma

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2 votes

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UGC NET CSE | Junet 2015 | Part 3 | Question: 56
Match the following knowledge representation techniques with their applications $:$ ... $\text{(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)}$

Sanjay Sharma answered in Artificial Intelligence Aug 1, 2016

by Sanjay Sharma

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UGC NET CSE | Junet 2015 | Part 3 | Question: 59
Match the following with respect to heuristic search techniques $:$ ... $\text{(a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)}$

Sanjay Sharma answered in Artificial Intelligence Aug 1, 2016

by Sanjay Sharma

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1 answer

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UGC NET CSE | Junet 2015 | Part 3 | Question: 23
Which of the following is false for the programming language PROLOG? A PROLOG variable can only be assigned to a value once PROLOG is a strongly typed language The scope of a variable in PROLOG is a single clause or rule The scope of a variable in PROLOG is a single query

Sanjay Sharma answered in Artificial Intelligence Aug 1, 2016

by Sanjay Sharma

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UGC NET CSE | December 2013 | Part 3 | Question: 26
The mean-end analysis process centers around the detection of differences between the current state and goal state. Once such a difference is isolated, an operator that can reduce the difference must be found. ... up to establish the precondition of operators is called backward planning goal stack planning operator subgoaling operator overloading

Sanjay Sharma answered in Artificial Intelligence Jul 28, 2016

by Sanjay Sharma

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UGC NET CSE | December 2013 | Part 3 | Question: 30
An artificial neuron receives n inputs $x_1, x_2, \dots , x_n$ with weights $w_1, w_2, \dots , w_n$ attached to the input links. The weighted sum ____ is computed to be passed on to a non-linear filter $\phi$ called activation function to release the output ... $\Sigma \: x_i$ $\Sigma \: w_i + \Sigma \: x_i$ $\Sigma \: w_i \cdot \Sigma \: x_i$

Sanjay Sharma answered in Artificial Intelligence Jul 28, 2016

by Sanjay Sharma

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UGC NET CSE | December 2013 | Part 3 | Question: 25
If h* represents an estimate from the cost of getting from the current node N to the goal node and h represents actual cost of getting from the current node to the goal node, then A* algorithm gives an optimal solution if h* is equal to h h* overestimates h h* underestimates h none of these

Sanjay Sharma answered in Artificial Intelligence Jul 27, 2016

by Sanjay Sharma

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UGC NET CSE | September 2013 | Part 3 | Question: 28
In a single perceptron, the updation rule of weight vector is given by $w(n+1) = w(n) + \eta [d(n)-y(n)]$ $w(n+1) = w(n) - \eta [d(n)-y(n)]$ $w(n+1) = w(n) + \eta [d(n)-y(n)]*x(n)$ $w(n+1) = w(n) - \eta [d(n)-y(n)]*x(n)$

Sanjay Sharma answered in Artificial Intelligence Jul 24, 2016

by Sanjay Sharma

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UGC NET CSE | September 2013 | Part 3 | Question: 13
If an artificial variable is present in the ‘basic variable’ of optimal simplex table then the solution is Alternative solution Infeasible solution Unbounded solution Degenerate solution

Sanjay Sharma answered in Artificial Intelligence Jul 23, 2016

by Sanjay Sharma

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UGC NET CSE | September 2013 | Part 3 | Question: 6
Means-Ends Analysis process centres around the detection of difference between the current state and the goal state. Once such a difference is found, then to reduce the difference one applies a forward search that can ... can reduce the difference a bidirectional search that can reduce the difference an operator that can reduce the difference

Sanjay Sharma answered in Artificial Intelligence Jul 22, 2016

by Sanjay Sharma

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1 answer

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UGC NET CSE | September 2013 | Part 3 | Question: 5
The Blocks World Problem in Artificial Intelligence is normally discussed to explain a Search technique Planning system Constraint satisfaction system Knowledge base system

sh!va answered in Artificial Intelligence Jul 22, 2016

by sh!va

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UGC NET CSE | June 2013 | Part 3 | Question: 71
The map colouring problem can be solved using which of the following technique? Means-end analysis Constraint satisfaction AO* search Breadth first search

sh!va answered in Artificial Intelligence Jul 19, 2016

by sh!va

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