Informatics Practices (Code No.065)
CLASS
XI
Session
2023-24
Distribution of Marks and Periods
Unit No |
Unit Name |
Marks |
Periods Theory |
Periods Practical |
Total Period |
1 |
Introduction to computer system |
10 |
10 |
- |
10 |
2 |
Introduction to Python |
25 |
35 |
28 |
63 |
3 |
Database concepts and the Structured Query Language |
30 |
23 |
17 |
40 |
4 |
Introduction to Emerging Trends |
5 |
7 |
- |
7 |
|
Practical |
30 |
- |
- |
- |
|
Total |
100 |
75 |
45 |
120 |
Unit 1: Introduction to Computer System
Introduction to computer and computing:
evolution of computing devices, components of a computer system and their
interconnections, Input/output devices.
Computer
Memory: Units of memory, types of memory – primary and secondary, data
deletion, its recovery and related security concerns.
Software:
purpose and types – system and application software, generic and specific
purpose software.
Unit
2: Introduction to Python
Basics
of Python programming, Python interpreter - interactive and script mode, the
structure of a program, indentation, identifiers, keywords, constants,
variables, types of operators, precedence of operators, data types, mutable and
immutable data types, statements, expressions, evaluation and comments, input
and output statements, data type conversion, debugging.
Control
Statements: if-else, if-elif-else, while loop, for loop
Lists:
list operations - creating, initializing, traversing and manipulating lists,
list methods and built-in functions – len(),list(),append(),insert(),
count(),index(),remove(), pop(), reverse(), sort(), min(),max(),sum()
Dictionary:
concept of key-value pair, creating, initializing, traversing, updating and
deleting elements, dictionary methods and built-in functions – dict(), len(),
keys(), values(), items(), update(), del(), clear()
Unit
3: Database concepts and the Structured Query Language
Database
Concepts: Introduction to database concepts and its need, Database Management
System.
Relational
data model: Concept of domain, tuple, relation, candidate key, primary key,
alternate key
Advantages
of using Structured Query Language, Data Definition Language, Data Query
Language and Data Manipulation Language, Introduction to MySQL, creating a
database using MySQL, Data Types
Data
Definition: CREATE DATABASE, CREATE TABLE, DROP, ALTER
Data
Query: SELECT, FROM, WHERE with relational operators, BETWEEN, logical
operators, IS NULL, IS NOT NULL
Data
Manipulation: INSERT, DELETE,UPDATE
Unit
4: Introduction to the Emerging Trends
Artificial
Intelligence, Machine Learning, Natural Language Processing, Immersive
experience (AR, VR), Robotics, Big data and its characteristics, Internet of
Things (IoT), Sensors, Smart cities, Cloud Computing and Cloud Services (SaaS,
IaaS, PaaS); Grid Computing, Block chain technology.
Practical Marks Distribution
S.No. |
Unit Name |
Marks |
1 |
Problem
solving using Python programming language |
11 |
2 |
Creating
database using MySQL and performing Queries |
7 |
3 |
Practical
file (minimum of 14 python programs, and 14 SQL queries) |
7 |
4 |
Viva-Voce
|
5 |
|
Total |
30 |
Suggested Practical List
Programming in Python
1. To find average and grade
for given marks.
2. To find sale price of an
item with given cost and discount (%).
3. To calculate
perimeter/circumference and area of shapes such as triangle, rectangle, square
and circle.
4. To calculate Simple and
Compound interest.
5. To calculate profit-loss for
given Cost and Sell Price.
6. To calculate EMI for Amount,
Period and Interest.
7. To calculate tax - GST /
Income Tax.
8. To find the largest and
smallest numbers in a list.
9. To find the third
largest/smallest number in a list.
10. To find the sum of squares of the first 100 natural numbers.
11. To print the first ‘n’
multiples of given number.
12. To count the number of
vowels in user entered string.
13. To print the words starting
with a alphabet in a user entered string.
14. To print number of
occurrences of a given alphabet in each string.
15. Create a dictionary to
store names of states and their capitals.
16. Create a dictionary of
students to store names and marks obtained in 5 subjects.
17. To print the highest and lowest values in the dictionary.
Data Management: SQL Commands
18. To create a database
19. To create student table
with the student id, class, section, gender, name, dob, and marks as attributes
where the student id is the primary key.
20. To insert the details of at
least 10 students in the above table.
21. To display the entire content
of table.
22.
To display Rno, Name and Marks of those students who are scoring marks more
than 50.
23. To display Rno, Name, DOB of those students who are born between ‘2005- 01-01’ and ‘2005-12-31’.
Suggested material
NCERT
Informatics Practices - Text book for class - XI (ISBN- 978-93-5292-148-5 )