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Question

Match List I with List II and select the correct answer using the code given below the lists :

List I
(AI/ML Concept) 
List II
(Description)
a. Recommendation Enginei. Trial-and-error learning
b. Deep Learningii. Personalized content suggestion
c. Supervised Learningiii. Neural network-based learning
d. Reinforcement Learningiv. Labelled data for prediction and classification

Code :

This question was previously asked in
UPSSSC Lower PCS 2026 Question Paper (23-Aug-2026)
The correct answer is

a-ii, b-iii, c-iv, d-i

 Each concept in List I is defined by how the system learns, so pairing follows from what kind of feedback each one uses.

ConceptDescription and why
a. Recommendation Engineii. Personalized content suggestion — it ranks items for one user from that user's history and from similar users
b. Deep Learningiii. Neural network-based learning — it stacks many layers of artificial neurons to learn features automatically
c. Supervised Learningiv. Labelled data for prediction and classification — the training set carries the correct output for each input
d. Reinforcement Learningi. Trial-and-error learning — an agent acts, receives reward or penalty, and improves its policy over time

Reading the pairs in order gives a-ii, b-iii, c-iv, d-i.

Hence, the answer is a-ii, b-iii, c-iv, d-i.

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