CS-IT-IP-AI and Data Science Notes, QNA for Class 9 to 12
CBSE Computer Science with Python class 12
Python Program to Calculate Shopping Bill with Tax (Simple & Advanced) When we go shopping, the bill usually contains two parts – the actual price of items and the tax applied. In this article, we will learn how to create a Python program that calculates: Bill amount (without tax) Tax amount (calculated separately) Final amount … Read more
Marriage Bureau Management System in Python This project is a simplified version of a Marriage Bureau Management System in Python, and it covers the basics of working with a MySQL database. Let’s break it down into key components: Database Setup: A database is like a structured Excel sheet that stores information. In this project, we … Read more
Food Order System Python Project Here is a Python Project for managing a database related to a food ordering system. It uses the MySQL database system to store information about employees, customers, food items, and food orders. The code defines tables for Employee, Customer, Food and OrderFood. It allows you to add records to these … Read more
Python Program To Delete a Row in CSV File Method-1 You can delete a row in a CSV file in Python by reading the CSV file, excluding the row you want to delete, and then writing the remaining data back to the file. Here’s a Python program to do that: import csv # … Read more
Exception Handling in Python Here students of class 12 will learn about the Exception Handling in Python. These notes are made to help the students in their board preparation. The topic Exception Handling is introduced by the CBSE for the session 2023-24 onward. Errors Errors in a program can be categorized into following types: 1. … Read more
Class 12 Computer Science Sample Paper with Explained Solution Session: 2023-24 Computer Science (083) Sample Question Paper (Theory) Time allowed: 3 Hours Maximum Marks: 70 General Instructions: Please check this question paper contains 35 questions. The paper is divided into 4 Sections- A, B, C, D and E. Section A, consists of 18 questions (1 … Read more
Enter Update and Display Student data in binary file The given code is for creating a simple interactive menu-based program that allows you to manage student data using a Python dictionary and binary file storage. The program provides the following functionalities: 1. Add new student data: You can input the roll number, name, and contact … Read more
CSV File in Python Class 12 Notes What is CSV File A Comma Separated Values (CSV) file is a plain text file that contains the comma (,) separated data. These files are often used for exchanging data between different applications. CSV files are usually created by programs that handle huge amounts of data. They are … Read more
Searching and Sorting Techniques Notes Sorting Sorting means to arrange the data either in ascending order or descending order. It is the process of rearranging a sequence of objects so as to put them in some logical order. Selection Sort : Find the minimum element in unsorted array and swap it with the … Read more
Data Structures Class 12 Notes DATA STRUCTURES A data structure defines a mechanism to store, organise and access data along with operations (processing) that can be efficiently performed on the data. A data structure is a group of data that have different data types which can be accessed as a unit . For example, string … Read more