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Deep Learning · RNNs, encoder-decoder & attention

7 questions · 17 marks · 2 papers

Answer key

Indian Institute of Technology Madras

BS Degree Programme · Examination & Study Paper

Deep Learning

RNNs, encoder-decoder & attention

Official Paper

Examination Instructions & Guidelines

Solve on notebook/paper first before checking solutions.
MCQ: Exactly 1 option is correct. Negative marking applies.
MSQ: One or more options correct. Select all to score.
NAT: Numerical response. No negative marking.
Scientific calculator allowed for all calculations.
Official answer key is sealed at the end of this sheet.

End Term · 31 Aug 2025 (AN)End Term

Read the passage below, then answer Q1–Q3
Based on the above data, answer the given subquestions.
Q1NAT2 Marks·Write the number
Key ↓
Your answer:
Q2NAT4 Marks·Write the number
Key ↓
Your answer:
Q3NAT2 Marks·Write the number
Key ↓
Your answer:

End Term · 13 Apr 2025 (AN)End Term

Q4MSQ3 Marks·Choose all correct options
Key ↓
Consider the following tasks which can be solved using an encoder-decoder architecture. Which of these tasks has a decoder where an RNN is not necessary?
1. AVideo classification: outputs a single class label
2. BSentiment analysis: outputs a single class label
3. CDocument summarization: outputs a sequence of text
4. DMachine translation: outputs a sequence of text
5. EVideo captioning: outputs a sequence of text
Read the passage below, then answer Q5–Q7
Based on the above data, answer the given subquestions.
Q5NAT2 Marks·Write the number
Key ↓
With a total of 7 time steps (T = 7), what is the total count of parameters (including bias) within the network?
Your answer:
Q6MCQ2 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q7NAT2 Marks·Write the number
Key ↓
Your answer:

Official Key

Master Answer Key & Explanations

Official answer keys from IIT Madras BS past papers. Click any question to review.

Reveal Key

Q11.89 to 1.96

Q20.3 to 0.38

Q31.32 to 1.4

Q4A, B

Q533

Q6A

Q716 to 16.2

Questions and answer keys are reproduced from the official IIT Madras BS papers. Topics and repeated question types are BTechi’s own grouping. BTechi is not affiliated with IIT Madras.