Class 11 Sample Paper Informatics Practices (Half Yearly)

SAMPLE
PAPER
Half Yearly Examination

Prepared For
NCERT BASED SYLLABUS
Applicable For
CBSE BOARD AND STATE BOARD USING NCERT

WWW.

HALF YEARLY EXAMINATION
SAMPLE QUESTION PAPER

Class: XI Subject: Informatics Practices (065)
Max Marks: 70 Time: 3 Hours

General Instructions:
• There are 2 Groups (A, B) and each group has 2 sections (I, II)
• Group-A: Section-I contains 20 marks, Objective Type, 20 questions are to be attempted.
• Group-A: Section-II contains total 16 marks questions of 1 or 2 marks each
• Group-B: Section-I contains total 10 marks questions of 2 marks each
• Group-B: Section-II contains total 24 marks questions of 3 marks each
• Always keep margin at the left side of your answer script & clearly write the Question Numbers
• Try to maintain the order of the questions in each group during answering.
• Keep spaces and mark ‘line-of-separation’ in between two answers.

Group – A: SECTION-I
[Attempt any 20 Question]
Q1. Answer the following questions (Objective type): [20X1=20]
1) RAM works until power is_________________.
2) When you assign a value to a variable then existing value gets_____________
(i) Replaced (ii) Updated (iii) Deleted (iv) Gets added
3) Rhombus symbol in flowchart works to _______________
(i) Make decision (ii) Control data flow (iii) None of i , ii (iv) Both i, ii
4) The: (colon) is put ___________ (i) Before if….else (ii) After while (iii) Before for (iv) None
5) The __________ operator gives TRUE output when both of the conditions are correct.
6) Indent sets_______________ (i) Block (ii) Space (iii) Data flow (iv) Statement
7) The only language which the computer understands is______________________:
(i) Assembly Language (ii) Binary Language (iii) BASIC (iv) C Language
8) Which of the following is correct in terms of range() function? _______________
(i) It begins from 1 (ii) 3 arguments are must (iii) Runs up to final-value minus 1 (iv) All
9) Algorithm depicts the _____________ representation of the programming logic.
10) print(x[ :-2]) gives the output_______ to ________ elements of a list x.
11) List is: (i) Mutable (ii) Heterogeneous (iii) Has +ve & -ve index (iv) All

12) Traversing/looping of String prints in: (i) Horizontal order (ii) Vertical order
(iii) Whole Text (iv) None
13) ________________ terminates the block and goes to next statement:
(i) Break (ii) Continue (iv) Both i & ii (v) None i & ii

[Pg-1/4]

14) Difference between while() and for() loop in terms of placement(s) of statement(s) is/are:
(i) initialization (ii) increment/decrement (iii) Both i & ii (iv) None i & ii
15) ________and _______ operators give Boolean output.
16) FAT keeps the records of _______________
(i) Data of the memory (ii) Files in disk (iii) Number of tracks (iv) Numbers of sectors
17) System software has two categories ____________________:
(i) Language Processor & Application Software (ii) Application Software & Operating System
(iii) Operating System & Language Processor (iv) None of those
18) The difference between = & == respectively are:
(i) Equality & Similarity (ii) Assignment & Equality (iii) Both i & ii (iv) None i & ii
19) The difference between / & // respectively are:
(i) Give decimal & integer quotient (ii) Give integer & decimal quotient
(iii) Give quotient & reminder (iv) All are wrong
20) In print() function %d prints:
(i) The value of the variable (ii) DataType of the value
(iii) Both i , ii (iv) None i , ii
21) In print() function end=” ” prints the output:
(i) Horizontally (ii) Vertically
(iii) Horizontally with one white space (iv) Vertically with one white space

Group – A: SECTION-II
[Attempt Questions 22 & 23]
[16 marks]
22) Answer the following questions on a Software-Development-Project based case studies, where you
are supposed to write notes of the followings for PPT presentations to train employees:
(i) In the project, you have been asked to write the Difference between Primary Memory and Secondary
memory with proper diagram. [1]
(ii) Your project manager assigned to write Disk Memory Management System with diagram. [1]
(iii) Now you have been assigned to write a note on: how do Memory Unit, Central Processing Unit and
Control Unit of a computer system work together. [1]
(iv) Your project manager asked you to explain to your junior: (i) How does Cache-Memory work with RAM
and CPU. (ii) Difference between Data & Information. [1]
(v) One of your juniors of your project requested you to help him to write on various types of software and

to explain the function of Language Processor. [1]
(vi) Present the basic safety measures to handle a computer safely. [1]

[Pg-2/4]

23) Answer the following questions on writing logic for a Software Development program:
i) Write an algorithm to calculate the Total and Average Marks of a class out of 5 subjects (to be entered
by the user) of Full marks 100 each. [1]
ii) Write an algorithm to Input two numbers (using 3rd variable) from the user and Swap & print. [1]
iii) Draw a flowchart to find the greater number of any two entered numbers. [1]
iv) Draw a flowchart to enter age and check whether he is eligible (age 18 or above) to caste vote. [1]
v) Draw a flowchart to find the sum of even and odd numbers separately within 50, but in the same single
program. [2]
vi) Draw a flowchart to find that an entered number is Prime or not. [2]
vii) Show the steps to find the final output (T/F) of the following statement, if x=10, y=20 & z=30. [2]
! (((x>=y) OR (y! =z)) AND (!(z==x) OR (y<z)))

Group – B: SECTION-I
[10 marks]
24) Write a Python program to enter age and display the Group according to the following list: [2]
Age range Group
1-20 Red
21-40 Blue
41-55 Green
56 & above Yellow
25) Write a Python program to find S= 1/2 + 2/3 + 3/4 + --------------- Nth term. [2]
26) Write a Python program to find the following output: [2]
*
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***
27) Re-write a Python code to the following using while loop, and also write the output: [2]
n=5
f=1
for i in range( n ):
f=f*(i+1)
print(f)
28) Write a Python code to find S=1+4+27+256+……… Nth term [2]

Group – B: SECTION-II
[24 marks]

29) Write a Python code to create a String say: str= “Indo-Aryan Culture” and display as given: [1X3=3]
(i) Traverse the string i.e. show all the elements one by one.
(ii) Display “Culture” from the string.
(iii) What is the output of the command: print(str[0:4])

[Pg-3/4]

30) Write a Python code to create a list L=[10,20,30,40,50,60,70,80,90,100] and perform the followings:
[1X3=3]
(i) Display 20,30,40,50, from the list using +ve index.
(ii) Display last 5 elements from the list.
(iii) What is the output of: print (L [-5 : -1])
31) Write program to enter a value and check whether it is present in the following list:
L=[10,20,30,40,50,60,70,80,90,100] [3]
32) Write a Python program to find s = (1) + (1+2) + (1+2+3) + ………. Nth term. [3]
33) Write a Python program to enter a number and find reverse of the same. [3]
34) Write a Python program to find s=1! + 2! +3! + …… Nth term. [3]
35) Write a Python program to find s=1+1+2+3+5+8+------------ Nth term. [3]
36) Write a Python program to create the following output: [3]

*
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*****

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[Pg-4/4]
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