Class 12 Computer Science Question Answers

Unit 1: Computational Thinking and Programming - 2

Class XII Computer Science – Unit 1: Computational Thinking and Programming – 2 | 50 Practice Questions Complete CBSE Class XII Computer Science Unit 1 practice set covering Python functions, scope, exception handling, text/binary/CSV file handling and stack using lists, with exam-oriented answers, explanations, output-based and competency-based questions.
Python Binary Files MCQs | 25 Practice Questions with Answers | CBSE Class 12 Computer Science Practice 25 important MCQs on Python Binary Files based on the latest CBSE Class 12 Computer Science syllabus. These questions cover binary file handling, binary file modes (rb, wb, ab, rb+, wb+, ab+), the pickle module, and the dump() and load() methods. Each question includes a hidden answer with
Python CSV Files MCQs | 25 Practice Questions with Answers | CBSE Class 12 Computer Science Practice 25 important MCQs on Python CSV Files based on the latest CBSE Class 12 Computer Science syllabus. These questions cover the csv module, opening and closing CSV files, writer(), writerow(), writerows(), and reader(). Each question includes a hidden answer with a brief explanation.
Python Exception Handling MCQs | 25 Practice Questions with Answers | CBSE Class 12 Computer Science Practice 25 important MCQs on Python Exception Handling based on the latest CBSE Class 12 Computer Science syllabus. These questions cover exceptions, runtime errors, try, except, and finally blocks with conceptual and output-based questions. Each question includes a hidden answer with a brief expla
Python Functions MCQs | 25 Practice Questions with Answers | CBSE Class 12 Computer Science Practice 25 important MCQs on Python Functions based on the latest CBSE Class 12 Computer Science syllabus. These questions cover built-in functions, user-defined functions, module functions, parameters, arguments, default arguments, positional arguments, return values, and variable scope.
Python Stack MCQs | 25 Practice Questions with Answers | CBSE Class 12 Computer Science Practice 25 important MCQs on Stack based on the latest CBSE Class 12 Computer Science syllabus. These questions cover stack, LIFO principle, push and pop operations, stack implementation using lists, and basic stack concepts. Each question includes a hidden answer with a brief explanation.
Python Text Files MCQs | 25 Practice Questions with Answers | CBSE Class 12 Computer Science Practice 25 important MCQs on Python Text Files based on the latest CBSE Class 12 Computer Science syllabus. These questions cover file handling, opening and closing files, file modes (r, w, a, r+, w+, a+), and the with statement. Each question includes a hidden answer with a brief explanation.
Sample Question Paper (Python & MySQL) Sample Question Paper (Python & MySQL)

Unit 2: Computer Networks

Class XII Computer Science - Unit 2: Computer Networks | 50 Important Questions & Answers Master Class XII Computer Networks with 50 CBSE-style subjective questions and answers covering networking evolution, data communication, transmission media, devices, topologies, protocols, IP addresses and web services.
Computer Networks MCQs (Part - 1) | 25 Practice Questions with Answers | CBSE Class 12 Computer Science Practice 25 important MCQs on Computer Networks based on the latest CBSE Class 12 Computer Science syllabus. These questions cover the evolution of networking, ARPANET, NSFNET, Internet, data communication, communication components, bandwidth, data transfer rate, IP addresses
Network Topologies, Network Types, Protocols & Web Services MCQs | 25 Practice Questions with Answers | CBSE Class 12 Computer Science Practice 25 important MCQs on Network Topologies, Network Types, Network Protocols, and Web Services based on the latest CBSE Class 12 Computer Science syllabus. These questions cover PAN, LAN, MAN, WAN, Bus, Star, Tree topology, HTTP, HTTPS, FTP, SMTP, TCP/IP, POP3, PPP, TELNET, VoIP, WWW, HTML
Transmission Media & Network Devices MCQs | 25 Practice Questions with Answers | CBSE Class 12 Computer Science Title Transmission Media & Network Devices MCQs | 25 Practice Questions with Answers | CBSE Class 12 Computer Science Short Summary (Used on Listing Cards & Fallback Meta Description) Practice 25 important MCQs on Transmission Media and Network Devices based on the latest CBSE Class 12 CS

Unit 3: Database Management

Database Concepts & Relational Data Model MCQs | 25 Practice Questions with Answers | CBSE Class 12 Computer Science Practice 25 important MCQs on Database Concepts and the Relational Data Model based on the latest CBSE Class 12 Computer Science syllabus. These questions cover databases, DBMS, relational model, relation, attribute, tuple, domain, degree, cardinality, candidate key
Python MySQL Connectivity MCQs | 50 Practice Questions with Answers | CBSE Class 12 Computer Science Practice 50 important MCQs on Python MySQL Connectivity based on the latest CBSE Class 12 Computer Science syllabus. These questions cover connecting Python with MySQL, mysql.connector, connect(), cursor(), execute(), commit(), fetchone(), fetchall(), rowcount, parameterized queries
SQL Basics, DDL & Table Creation MCQs | 25 Practice Questions with Answers | CBSE Class 12 Computer Science Title SQL Basics, DDL & Table Creation MCQs | 25 Practice Questions with Answers | CBSE Class 12 Computer Science Short Summary (Used on Listing Cards & Fallback Meta Description) Practice 25 important MCQs on SQL Basics, DDL, Data Types, Constraints, and Table Creation based on the latest CBSE
SQL Queries, Operators, Functions & Joins MCQs | 50 Practice Questions with Answers | CBSE Class 12 Computer Science Practice 50 important MCQs on SQL Queries, Operators, Aggregate Functions, Clauses, and Joins based on the latest CBSE Class 12 Computer Science syllabus. These questions cover ALTER TABLE, DROP TABLE, INSERT, UPDATE, DELETE, SELECT, operators, aliasing, DISTINCT, WHERE, IN, BETWEEN, ORDER BY, NULL