Quiz

📊 CSV File & Stack Data Structure Quiz — Class 12 Computer Science (Code 083) Practice 20 CBSE Class 12 Computer Science (Code 083) MCQs covering two topics in one set: CSV files (the csv module, writer(), writerow(), writerows(), reader()) and the stack data structure (LIFO, push, pop, peek, underflow, time complexity, and applications like … Read more

🥒 Binary File Quiz — Class 12 Computer Science (Code 083) Practice 20 CBSE Class 12 Computer Science (Code 083) MCQs on binary file handling — opening a binary file in different modes (rb, rb+, wb, wb+, ab), closing files, the pickle module (dump() and load()), reading/writing/updating/appending binary data, and handling EOFError when reading multiple … Read more

📖 Text File Quiz — Class 12 Computer Science (Code 083) Practice 20 CBSE Class 12 Computer Science (Code 083) MCQs on text file handling — opening a file in different modes (r, r+, w, w+, a), closing files, the with statement, write()/writelines(), read()/readline()/readlines(), iterating a file with a for loop, and the seek()/tell() methods. … Read more

🔗 Interface of Python with SQL Quiz — Class 12 Computer Science (Code 083) Practice 20 CBSE Class 12 Computer Science (Code 083) MCQs on connecting Python with an SQL database — connect(), cursor(), execute(), commit(), fetchone(), fetchall(), rowcount, performing INSERT/UPDATE/DELETE queries via a cursor, using %s placeholders safely, error handling, and closing connections. Every … Read more

🗃️ Structured Query Language (SQL) Quiz — Class 12 Computer Science (Code 083) Practice 20 CBSE Class 12 Computer Science (Code 083) MCQs on SQL — DDL & DML, data types (CHAR, VARCHAR, INT, FLOAT), constraints (NOT NULL, UNIQUE, PRIMARY KEY), SELECT/WHERE/DISTINCT, GROUP BY/HAVING, aggregate functions (MAX, MIN, AVG, SUM, COUNT), LIKE/BETWEEN, and joins (Cartesian … Read more

🗄️ Database Concepts Quiz — Class 12 Computer Science (Code 083) Practice 20 CBSE Class 12 Computer Science (Code 083) MCQs on database concepts and the relational data model — what a database and DBMS are, data integrity, relations, attributes, tuples, domain, degree, cardinality, and keys (candidate key, primary key, alternate key, foreign key). Every … Read more

🕸️ Computer Network Quiz — Topologies, Protocols & Web Services (Class 12, Code 083) Practice 20 CBSE Class 12 Computer Science (Code 083) MCQs on network topologies and types (PAN, LAN, MAN, WAN, Bus, Star, Tree), network protocols (HTTP, HTTPS, FTP, SMTP, POP3, TCP/IP, VoIP), and web services (HTML, XML, domain names, URL, web servers). … Read more

🔌 Computer Networks Quiz on Transmission Media & Devices — Class 12 (Code 083) Practice 20 CBSE Class 12 Computer Science (Code 083) MCQs on transmission media and network devices — wired media (twisted pair, co-axial, fiber-optic), wireless media (radio waves, microwaves, infrared, Bluetooth), and network devices (modem, Ethernet card, RJ45, repeater, hub, switch, router, … Read more

📁 File Handling Quiz 1 — Introduction to Files (Class 12 CS, Code 083) Practice 20 CBSE Class 12 Computer Science (Code 083) MCQs on introduction to file handling — text vs binary vs CSV files, opening files in different modes (r, w, a, r+, rb, wb), relative vs absolute paths, the with statement, the … Read more

🌐 Computer Networks Quiz for Class 12 — Computer Science (Code 083) Practice 20 CBSE Class 12 Computer Science (Code 083) MCQs on computer networks — the evolution of networking (ARPANET, NSFNET, the Internet), data communication terminologies (sender, receiver, message, medium, protocol), bandwidth vs data transfer rate, IP addressing (IPv4 vs IPv6), switching techniques (circuit … Read more