HALF YEARLY EXAMINATION (21-22)
CLASS XII
ARTIFICIAL INTELLIGENCE (843)
Time : 2 hours Max. Marks: 50
Instructions :
1. Write your Name and class on the answer sheet.
2. Camera will remain ON during the examination. (NON-NEGOTIABLE)
3. Make one pdf combining all the pages (mention page number on each page) using
any scanning app like Kaagaz Scan, Microsoft Office Lens, Adobe Scan etc.
4. Attach the PDF document in Assignments by clicking on Add Work option.
5. Then click on Turn In.
PART A – OBJECTIVE (25 Marks)
Kindly click on the link to attempt the objective part or copy paste is in a browser
PART B – SUBJECTIVE (25 Marks)
A. Employability Skills (2 x 5 =10)
1) Define ‘‘Complex sentence’’.
2) Name some sources of motivation and inspiration.
3) What is ‘‘Speaker Note’’?
4) What is creativity?
5) Who is a Wind/Solar energy engineer?
B. Subject Specific Skills (3 x 3 = 9)
i. Why is it necessary to evaluate our AI model? What do understand by the Deployment stage?
ii. What is a loss function? Name 2 loss functions of Regression. Also mention their formula.
iii. Explain the cross-validation technique. Mention 1 advantage of this technique also.
C. Study the following image: (6)
Explain the stages – Data Requirements, Data Preparation and Feedback.
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