Free to Download

Master Computer Science with Structured MCQs

Practice topic-wise MCQs, take timed tests, and track your progress — even offline.

15,000+ Solved MCQs No login needed Great user experience
App Home Screen

Not just another MCQ app

15,000+
Solved Explanations

Every MCQ comes with a detailed explanation — including code blocks and images where relevant.

Multi-Subject
Custom Mock Tests

Combine multiple subjects into one timed test. Set question count, timer (10–120 min), and specific categories.

Deep
Topic Drill-Down

Navigate Subject → Category → Topic → Questions. Practice exactly what you need, not random questions.

Everything You Need

Packed with Powerful Features

Every feature is thoughtfully crafted to help you study smarter, practice better, and perform with confidence.

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Download Subjects Offline

Select any subject, download it once, and practice without internet — perfect for studying on the go.

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MCQ Practice Mode

Practice at your own pace with instant explanations, hints, and topic-filtered question banks.

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Timed Test Mode

Simulate real exam pressure with configurable timers, question counts, and difficulty settings.

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Smart Bookmarks

Save tricky questions for focused revision. Review your bookmarks anytime, organized by topic.

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Daily Study Streak

Build a study habit with daily streak tracking. Unlock milestones as your consistency grows.

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Performance Dashboard

Visualize your accuracy trends, weak topics, and overall progress across all subjects.

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Auto Subject Updates

Get notified when new questions are added. Keep your content fresh with one-tap updates.

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Theme Ready

Preview the app in both light and dark themes while keeping the landing page clean and consistent.

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Study Reminders

Set custom daily reminders to keep your practice consistent without breaking your flow.

16 Subjects

15,000+ Solved MCQs Across
Every Core CS Subject

Download any subject and practice offline with detailed explanations for every question. New subjects and updates are added regularly.

💻
1,591 MCQs

C Programming

Pointers, Arrays, Strings, Functions, Structures

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1,350 MCQs

Object Oriented Programming

Inheritance, Polymorphism, Abstraction, Encapsulation

1,335 MCQs

Java Programming

Collections, Multithreading, Exception Handling, JDBC

🌐
1,219 MCQs

Computer Network

OSI Model, TCP/IP, Routing, DNS, Subnetting

🐍
1,188 MCQs

Python Programming

Data Types, List Comprehension, OOP, File Handling

⚙️
1,121 MCQs

Operating System

Process Management, Memory Management, Deadlocks, Scheduling

🖥️
1,000 MCQs

Computer Fundamental

Number Systems, Logic Gates, Computer Architecture Basics

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1,000 MCQs

Cyber Security

Cryptography, Network Security, Firewalls, Ethical Hacking

☁️
990 MCQs

Cloud Computing

IaaS, PaaS, SaaS, Virtualization, AWS Basics

🗄️
871 MCQs

DBMS

Normalization, SQL Joins, ER Diagrams, Transactions, ACID

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847 MCQs

Linux

Shell Commands, File System, Permissions, Process Management

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832 MCQs

Automata Theory / TOC

DFA, NFA, Regular Expressions, Context-Free Grammars, Turing Machine

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765 MCQs

Artificial Intelligence

Search Algorithms, Knowledge Representation, Neural Networks

🏗️
749 MCQs

Computer Architecture

Pipelining, Cache Memory, Instruction Sets, ALU Design

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639 MCQs

SQL

SELECT, JOINs, Subqueries, Aggregate Functions, Indexes

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620 MCQs

Machine Learning

Regression, Classification, Clustering, Decision Trees, SVM

Download & Start Practicing

More subjects added regularly • Auto-updates when new content is available

Built For You

Who Uses CSQuiz?

Whether you're preparing for university exams, competitive tests, or technical interviews — CSQuiz has you covered.

🎓

University Exams

BCA, B.Tech, MCA, B.Sc (CS/IT) students preparing for semester exams and internal assessments.

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Competitive Exams

GATE, UGC NET, NIELIT, and state PSC aspirants who need structured CS MCQ practice.

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Placement Prep

Students preparing for campus placements and technical interview rounds at IT companies.

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Self-Learning

Anyone who wants to brush up on computer science fundamentals at their own pace — no pressure.

App in Action

Every Screen, Crafted

Tap through each screen to explore how CSQuiz looks and feels — clean, focused, distraction-free.

Preview App Theme
Switch the phone mockup between light and dark.
Light
Home Screen
Add Subject Screen
Practice Screen
Test Screen
Settings Screen
Home Screen Dark
Add Subject Screen Dark
Practice Screen Dark
Test Screen Dark
Settings Screen Dark
Welcome Home

Your personal study hub. See your streak, pick a subject, and jump straight into practice — zero friction.

Simple Process

Up and Running in Minutes

No setup complexity. Just download, choose a subject, and start learning.

Step 01

Install App

Download CSQuiz for free from the Google Play Store in seconds.

Step 02

Download Subject

Pick from a growing library of CS subjects and download them for offline use.

Step 03

Start Practicing

Jump into Practice Mode with topic filters and get instant answer explanations.

Step 04

Take a Test

Switch to Timed Test Mode to simulate exams and benchmark your real performance.

Two Ways to Learn

Practice Mode vs Test Mode

Each mode is purpose-built — one for exploration and deep learning, the other for exam simulation and performance benchmarking.

Practice Mode
Learn at your pace
  • Unlimited time per question — no pressure
  • Instant answer reveal with explanation
  • Filter questions by topic or difficulty
  • Bookmark questions for later review
  • Skip and return to questions freely
  • Builds conceptual understanding
Test Mode
Exam simulation
  • Configurable countdown timer per session
  • Answers hidden until test completion
  • Custom question count (10, 25, 50…)
  • Detailed score report after submission
  • Track test history and score trends
  • Builds exam speed and confidence
Your Progress
This week
🔥 7-day streak
82%
Avg Score
240
Answered
12
Tests Done
Weekly Performance
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Topic Accuracy
Data Structures 91%
Algorithms 78%
Operating Systems 64%
Stay Motivated

Track Progress,
Stay Consistent

Knowing where you stand is half the battle. CSQuiz gives you deep visibility into your strengths, weak spots, and study habits — so you can improve with intention.

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Daily Streak Tracking

Stay motivated with daily streak counters. Miss a day and you'll want to protect your streak tomorrow.

Performance Analytics

Visual charts and per-topic accuracy help you laser-focus on the areas that need attention.

Dashboard Insights

See your score trends over time, total questions answered, and time invested in each subject.

FAQ

Frequently Asked Questions

Everything you need to know about CSQuiz before downloading.

Is CSQuiz completely free to use?
CSQuiz is free to download and use. The app is completely ad-free for the first 24 hours. After that, banner ads appear on practice and test pages, and occasional interstitial ads show between topics (capped at one every 3 minutes). You get 3 free tests per day — watch a short video ad to unlock more tests for that day.
Can I practice CS MCQs offline without internet?
Yes. Download any subject once and practice entirely offline. Your progress, bookmarks, and test history are stored locally on your device using encrypted storage. The app only needs internet to download new subjects or check for content updates.
Which computer science subjects are available?
CSQuiz currently includes 16 subjects with over 15,000 solved MCQs: C Programming (1,591), Object Oriented Programming (1,350), Java Programming (1,335), Computer Networks (1,219), Python Programming (1,188), Operating Systems (1,121), Computer Fundamentals (1,000), Cyber Security (1,000), Cloud Computing (990), DBMS (871), Linux (847), Automata Theory (832), Artificial Intelligence (765), Computer Architecture (749), SQL (639), and Machine Learning (620). New subjects are added regularly.
Is CSQuiz useful for GATE CS preparation?
CSQuiz covers all major GATE CS subjects including Operating Systems, DBMS, Computer Networks, Theory of Computation, and Computer Architecture. The timed test mode with configurable duration (10 to 120 minutes) simulates real exam conditions. However, CSQuiz is not officially affiliated with GATE or any examination board.
Do I need to create an account to use CSQuiz?
No. CSQuiz works without any login, sign-up, or account creation. Install and start practicing immediately. Your progress is stored locally on your device.
Does CSQuiz provide explanations for MCQ answers?
Yes, every MCQ includes a detailed explanation. Explanations support code blocks and images where relevant, helping you understand the concept — not just memorize the answer.
Can I take mock tests with a timer?
Yes. CSQuiz has a dedicated Test Mode where you can create custom tests — choose single or multiple subjects, select specific categories, set question count, and enable a timer from 10 to 120 minutes. Results show a detailed breakdown with correct, wrong, and unattempted counts plus explanations for every question.
How is CSQuiz different from other MCQ apps?
CSQuiz is built specifically for CS students with: deep topic drill-down (Subject → Category → Topic), detailed explanations with code blocks, multi-subject test configuration, smart bookmarks that auto-organize into a dedicated practice category, ability to resume uncompleted tests exactly where you left off, and offline-first design with encrypted local storage. No login required.
Free · Works Offline · No Login

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Smarter Today

Join thousands of CS students who practice smarter with CSQuiz. Free forever. Available offline. No account needed.

Free to download
Ad-free for 24 hours
Works offline
No account needed