(Download) CBSE Class-12 Sample Paper 2020-21: Informatics Practices
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(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
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
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.
Fill in the blanks :
The command used to give a heading to a graph is
Write the output of the following SQL command.
a. 49.88 b. 49.8 c. 49.0 d. 50
Given a Pandas series called Sequences, the command which will display the first 4 rows is .
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
Using Python Matplotlib can be used to count how many values fall into each interval
a. line plot
b. bar graph
To prevent unauthorized access to and / or from the network, a system known as , can be implemented by hardware and / or software.
In a DataFrame, Axis= 1 represents the elements.
Which of the following is not a network topology : Star, Mesh , Tree, Bug , Bus