(Download) CBSE Class-12 Sample Paper 2020-21: Informatics Practices
Disclaimer: This website is NOT associated with CBSE, for official website of CBSE visit - www.cbse.gov.in
(Download) CBSE Class-12 Sample Paper 2020-21 :Informatics Practices
Class XII INFORMATICS PRACTICES (065)
SAMPLE QUESTION PAPER (2020 - 21)
Max Marks: 70 Time: 3 hrs
General Instructions:
1. This question paper contains two parts A and B. Each part is compulsory.
2. Both Part A and Part B have choices.
3. Part-A has 2 sections:
a. Section – I is short answer questions, to be answered in one word or one line.
b. Section – II has two case studies questions. Each case study has 4 case-based sub- parts. An examinee is to attempt any 4 out of the 5 subparts.
4. Part - B is Descriptive Paper.
5. Part- B has three sections
a. Section-I is short answer questions of 2 marks each in which two questions have internal options.
b. Section-II is long answer questions of 3 marks each in which two questions have internal options.
c. Section-III is very long answer questions of 5 marks each in which one question has question has internal option.
|
|
Part - A |
|
|
|
Section - I Attempt any 15 questions from questions 1 to 21 |
|
|
1 |
State whether True or False : i. A copyright is automatically granted to authors or creators of content. ii. In FOSS source code is usually hidden from the users. |
1 |
|
2 |
Fill in the blanks : The command used to give a heading to a graph is a. plt.show() b. plt.plot() c. plt.xlabel() d. plt.title() |
1 |
|
3. |
Write the output of the following SQL command. select round(49.88); a. 49.88 b. 49.8 c. 49.0 d. 50 |
1 |
|
4 |
Given a Pandas series called Sequences, the command which will display the first 4 rows is . a. print(Sequences.head(4)) b. print(Sequences.Head(4)) c. print(Sequences.heads(4) d. print(Sequences.Heads(4)) |
1 |
|
5 |
Given the following Series S1 and S2: S1 S2 A 10 A 80 B 40 B 20 C 34 C 74 D 60 D 90
Write the command to find the sum of series S1 and S2 |
1 |
|
6 |
Using Python Matplotlib can be used to count how many values fall into each interval a. line plot b. bar graph c. histogram |
1 |
|
7 |
To prevent unauthorized access to and / or from the network, a system known as , can be implemented by hardware and / or software. |
1 |
|
8 |
In a DataFrame, Axis= 1 represents the elements. |
1 |
|
9 |
Which of the following is not a network topology : Star, Mesh , Tree, Bug , Bus |
1 |
