By Anjeev Kr Singh – Computer Science Educator
Published on : January 26, 2021 | Updated on : January 26, 2021
DEDUCTED PORTION
Informatics Practices – 065
Class XI
Unit 3: Data Handling using NumPy
Data and its purpose, importance of data, structured and unstructured data, data processing
cycle, basic statistical methods for understanding data – mean, median, mode, standard
deviation and variance.
Introduction to NumPy library, NumPy arrays and their advantage, creation of NumPy arrays;
indexing, slicing, and iteration; concatenating and splitting array
Arithmetic operations on one Dimensional and two Dimensional arrays.
Calculating max, min, count, sum, mean, median, mode, standard deviation, variance on
NumPy arrays.
Unit 4: Database concepts and the Structured Query Language
foreign key.
DROP TABLE, ALTER TABLE.
, UPDATE, DELETE
5.2 Numpy Program
To create an array of 1D containing numeric values 0 to 9.
To create a NumPy array with all values as 0.
To extract values at odd numbered position from a NumPy array.
To create a 1-D array having 12 elements using arange(). Now, convert this array into a 2-D
array with size 4X3.
To perform basic arithmetic operations on 1D and 2D array .
5.3 Data Management: SQL Commands
To delete the details of a student in the above table.
To increase marks by 5% for those students who have Rno more than 20.
To add a new column email in the above table with appropriate data type.
To add the email ids of each student in the previously created email column.
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