Set-4

Series &RQPS/S

Roll No.

Q.P. Code

90/S

Candidates must write the Q.P. Code

on the title page of the answer-book.

INFORMATICS PRACTICES

Time allowed: 2 hours

Maximum Marks: 70

NOTE

1. Please check that this question paper contains 15 printed pages.

1. Please check that this question paper contains 35 questions.
2. Q.P. Code given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate.

1. Please write down the serial number of the question in the answer-book before attempting it.

1. 15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period.

General Instructions:

1. This question paper contains five sections, Section A to E.
2. All questions are compulsory.
3. Section A has 18 questions carrying 1 mark each.
4. Section B has 7 Very Short Answer type questions carrying 2 marks each.
5. Section C has 5 Short Answer type questions carrying 3 marks each.
6. Section D has 2 questions carrying 4 marks each.
7. Section E has 3 questions carrying 5 marks each.
8. All programming question are to be answered using Python language only.

90/S

P.T.O. 1

SECTION A

1

1. What does a modem do at the sender's end?
2. It converts analog signals into digital data.
3. It converts digital data into analog signals.
4. It converts digital data into optical signals.
5. It converts optical signals into digital data.

1

1. Which out of the following cannot be included in digital footprint?
2. Submitting the form online
3. Searching for your friend's address online
4. Walking on the beach
5. Online shopping

1. Emma is a student working on her research project. She finds a well-written paragraph on the Internet that perfectly explains the concept that she wants to include in her project. She copies and pastes the paragraph as it is into her research paper. Her research paper did not get selected due to plagiarism. What is the one way out of the following that Emma could have followed to avoid plagiarism in this case?

1 <math>(\mathbf{A})</math> Copying the content from a book in her college library.

1. Rewriting the paragraph in her own words and citing the original source.
2. Asking her friends for information and using it in her research paper, without mentioning her friend's input.

<math>(\mathbf{D})</math> Posting the paper on her college website. 1

1. What will be the output of the following query? SELECT MOD (5, 15);
2. 10 (B) 3
3. 0 (D) 5

1 5. Which of the following aggregate function returns the average of values in a specified column of a MySQL table?

1. AVG (Column) (B) AVERAGE (Column)
2. MEAN (Column) (D) TOTAL (Column)

1 6. For how long does a patent typically protect an invention?

1. 5 years (B) 10 years
2. 20 years (D) 50 years

1 7. In Pandas library of Python, a one-dimensional array containing a sequence of values of any datatype is known as:

1. DataFrame (B) Histogram
2. Series (D) Panel

2 90/S