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September 2022 term · Deep Learning · BSCS3004

Deep Learning Quiz 2: 20 November 2022 (September 2022 term)

The IIT Madras BS Deep Learning (Deep Learning) Quiz 2 paper sat on 20 Nov 2022, in the September 2022 term: 12 questions for 40 marks in 120 minutes. Every question is below with its answer. Take it as a timed mock test to be marked, or read it through first.

Questions
12
Marks
40
Duration
120 min
Numerical
9
MCQ
2
MSQ
1

Updated

Official paper: IIT M DEGREE AN2 EXAM QPE1 20 Nov 2022 · No negative marking.

Question 1

+3 marksNumerical answer

Based on the above data, answer the given subquestions.

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Correct answer: 4.4 (accepted within ±0.05)

Question 2

+2 marksNumerical answer

Based on the above data, answer the given subquestions.

Show answer

Correct answer: 0.89 (accepted within ±0.005)

Question 3

+10 marksNumerical answer

Based on the above data, answer the given subquestions.

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Correct answer: 0.905 (accepted within ±0.025)

Question 4

+5 marksNumerical answer

Based on the above data, answer the given subquestions.

Suppose we replace the sigmoid (logistic) activation function by ReLU and max pooling by min pooling (that is, output the minimum value from the input tensor). Update the parameters and enter the sum of updated parameter values?. The ReLU is defined as follows

Suppose we replace the sigmoid (logistic) activation function by ReLU and max pooling by min pooling (that is, output the minimum value from the input tensor). Update the parameters and enter the sum of updated parameter values?. The ReLU is defined as follows
(If your answer is 0.3345, enter it as 0.33)

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Correct answer: 0.1 (accepted within ±0.01)

Question 5

+2 marksNumerical answer

Based on the above data, answer the given subquestions.

The dimension of C1 = 101 × 101 × 100. Suppose we use 30 kernels (filters) of shape 3 × 3, with stride 1 and no zero padding, to generate the convolution layer 2. Then, enter the number of parameters (including bias) in the convolution layer-2 (If your answer is 1050,enter 1050)

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Correct answer: 27030 (accepted within ±1)

Question 6

+2 marksNumerical answer

Based on the above data, answer the given subquestions.

We know that the shape of the flattened layer is N ×1. What is the value of N?(If your answer is 1050,enter 1050)

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Correct answer: 17280 (accepted within ±0.5)

Question 7

+2 marksNumerical answer

Based on the above data, answer the given subquestions.

Suppose we apply three 1D kernels after the pooling layer, P2, and then flatten the final output to the shape of N × 1. What is the value of N now?

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Correct answer: 1728 (accepted within ±0.5)

Question 8

+3 marksNumerical answer

Based on the above data, answer the given subquestions.

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Correct answer: 0.0115 (accepted within ±0.0035)

Question 9

+3 marksNumerical answer

Based on the above data, answer the given subquestions.

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Correct answer: 2 (accepted within ±0.1)

Question 10

+2 marksOne correct option

Based on the above data, answer the given subquestions.

The statement “Using sigmoid activation function for a neuron in a neural network always shrinks the gradient passing through it during backpropagation ” is

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • A

    TRUE

Question 11

+2 marksOne correct option

The diagram below shows the contours of a loss surface generated by the following model,

The diagram below shows the contours of a loss surface generated by the following model,
where, m is the number of training samples, x1 and x2 are features and y is the corresponding ground truth. Assume that both features x1 and x2 are normalized to be in the same range.

The diagram below shows the contours of a loss surface generated by the following model,
where, m is the number of training samples, x1 and x2 are features and y is the corresponding ground truth. Assume that both features x1 and x2 are normalized to be in the same range.
Which of the following statement(s) is (are) true?

  1. A

    x1 is sparse, x2 is dense

  2. B

    x1 is dense, x2 is sparse

  3. C

    both x1 and x2 are sparse

  4. D

    both x1 and x2 are dense

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Correct answer

  • B

    x1 is dense, x2 is sparse

Question 12

+4 marksOne or more correct options

Select all that apply.

  1. A

    RMSProp

  2. B

    NADAM

  3. C

    NAG with cyclic learning rate

  4. D

    GD with exponential weight decay learning rate scheduler

Show answer

Correct answers

  • A

    RMSProp

  • B

    NADAM

  • C

    NAG with cyclic learning rate

  • D

    GD with exponential weight decay learning rate scheduler