CBSE 11 th Computer Science Chapters

Class XI

Subject : Computer Science

Sno	Chapter name	No of hours
1.	Computer System and Organization	3 hours
2.	Types of Software	3 hours
3.	Information Representation	5 hours
4.	Getting started with python	5 hours
5.	Python Fundamentals	5 hours
6.	Data Handling	5 hours
7.	Conditional statement	6 hours
8.	Looping statements	10 hours
9.	Debugging- program execution  and error handling	5 hours
10.	Lists	10hours
11.	Strings	10 hours
12.	Tuples	5 hours
13.	Dictionary	15 hours
14.	RDBMS concepts and Database introduction	10 hours
15.	Creating table and queries	10 hours

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1.       Questions and answers discussion along with NCERT based.

2.       Every Session Assignments and outputs will discuss.

3.       Batch Size will be small.

4.       Tests will be contacted before exams.

5.       Extra classes before Examination.

Note:  This syllabus mention to subject to change as per the NCRT guidelines.

Class 12 Chapter I Python Revision Tour

Python Revision Tour - Some important questions

1 What are the data types in python

   Ans: int,float,str

2. What are the operators in python.

   Ans: 1. Arithmetic operator

            2. Relational Operator

            3. Logical Operator

            4. Assignment Operator

3.What are the conditional statements available in python

Ans:

  1. if else

  2. if elif

  3. nested if4. 

4. What will be output produced by following code.

a,b,c=1,1,1

d=0.3

e=a+b+c-d

f=a+b+c==d

print(e)

print(f)

Ans:

 2.7

 False

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Computer Science- Python Questions For Chapter 1 and Chapter 2

Class:XII
Total Marks 20

1. write a program to find the factorial value using function.                        2

2. Write a program to find the no of vowels,lower case letters,digits from one string 

  S1=”Hello World contact 98458544”                                                           3

3. Write a program to generate the prime no from 1 to 100 using function    3

4. Find and write the output of the following python code:                           2

def fun(s):

    k=len(s)

    m=" "

    for i in range(0,k):

        if(s[i].isupper()):

            m=m+s[i].lower()

        elif s[i].isalpha():

            m=m+s[i].upper()

        else:

            m=m+'bb'

    print(m)

fun('school2@com')

5. Find and write the output of the following python code:                              2

def  Change(P ,Q=30):

               P=P+Q

               Q=P-Q

               print( P,"#",Q)

               return (P)

R=150

S=100

R=Change(R,S)

print(R,"#",S)

S=Change(S)  

6. What possible outputs(s) are expected to be displayed on screen at the time of execution of the program from the following code? Also specify the maximum values that can be assigned to each of the variables FROM and TO                               2

import random

AR=[20,30,40,50,60,70]

FROM=random.randint(1,3)

TO=random.randint(2,4)

for K in range(FROM,TO+1):

    print (AR[K],end="#") 

7. Which is the correct form of declaration of dictionary?                           1

(i) Day={1:’monday’,2:’tuesday’,3:’wednesday’}

 (ii) Day=(1;’monday’,2;’tuesday’,3;’wednesday’)

 (iii) Day=[1:’monday’,2:’tuesday’,3:’wednesday’]

 (iv) Day={1’monday’,2’tuesday’,3’wednesday’]

8. Identify the valid declaration of L:                                                          1

 L = [1, 23, ‘hi’, 6].

 (i) list        (ii) dictionary     (iii) array            (iv) tuple

9. Find and write the output of the following python code:                        2

x = "abcdef"

i = "a"

while i in x:

    print(i, end = " ")

10. Find and write the output of the following python code                        2

a=10

def call():

  global a

  a=15

  b=20

  print(a)

call()

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Computer Science Training For CBSE Students

We are Providing Online Training for  the CBSE Computer Science Students for 11th and 12th. Having 10 years experience in CBSE Training.

Our Courses

1. Python

2. SQL

3. Django

Especially this  courses we offered for CBSE Students who studying 11th std and 12th std.

     
Syllabus for 12 Students.

Unit No	Unit Name	Marks
Unit I	Programming & Computational Thinking	30
Unit II	Computer Networks`	15
Unit III	Data Management	15
Unit IV	Society, Law and Ethics	15
Unit V	Practicals	30
Total		100

Syllabus for 11th Students.

Unit No	Unit Name	Marks
Unit I	Programming & Computational Thinking	35
Unit II	Computer Systems and Organisation	10
Unit III	Data Management-I	15
Unit IV	Society, Law and Ethics	10
Unit V	Practicals	30
Total		100

We assure you that our trainer will give expert guidance in empowering your children performance in studies and increase the level of confidence.

Contact Us
 Vijayalakhsmi.Parthiban 9080221422
 Nithya 9003196863