Connect with fellow learners in the PlacePrep Discord communityㆍ Join now →

R's PlacePrep

Popular drives

TCSNQT (National Qualifier Test)InfosysIRT (InfyTQ Recruitment Test)AccentureCognitive & Technical Assessment

Also hiring

WiproNLTH (National Level Talent Hunt)CognizantGenC Assessment CapgeminiGame-Based Assessment

Browse all 14 companies TCS NQT 2026

Real placement papers from the drives you are actually sitting for

14 companies · 48 papersStart practising

Select your branch

Computer Science & EngineeringBEU previous year papers and solutions Mechanical EngineeringBEU previous year papers and solutions Electrical & Electronics EngineeringBEU previous year papers and solutions

More branches

Civil EngineeringBEU previous year papers and solutions Aeronautical EngineeringBEU previous year papers and solutions

All branches Computer Science

Previous year questions

University papers, sorted by subject and year with worked solutions

BEU Solved PapersOpen the archive

Core CS

Data Structures & AlgorithmsComplexity analysis up to graphs and DP.Operating SystemsProcesses, scheduling, memory and concurrency.Database Management SystemsRelational modelling, transactions and indexing.Computer NetworksFrom wires and radio waves up to the web.

Learn & scale

AI Inference EngineeringQuantization, batching and KV caching in production.System DesignScalable systems from first principles.Context EngineeringDesigning the context that LLMs actually reason over.Docker & KubernetesContainers and orchestration, explained.

All 15 courses Authors

Structured courses that start at zero and end somewhere useful

15 courses · free foreverBrowse courses

Companies PYQ Learn

Traditional Scraping4

Dynamic Sites & Hidden APIs3

Browser Automation Frameworks5

CAPTCHAs & Boundaries4

Scaling & Production3

Build Your First Scraper6

Modern AI Scraping4

Firecrawl and Managed Scraping APIs
crawl4ai and Open-Source Alternatives
Apify: Ready-Made Scrapers for Popular Sites
Choosing the Right Tool for the Job

Lessons

Contribute, invite only

Traditional Scraping4

Dynamic Sites & Hidden APIs3

Browser Automation Frameworks5

CAPTCHAs & Boundaries4

Scaling & Production3

Build Your First Scraper6

Modern AI Scraping4

Firecrawl and Managed Scraping APIs
crawl4ai and Open-Source Alternatives
Apify: Ready-Made Scrapers for Popular Sites
Choosing the Right Tool for the Job

Learn Web ScrapingModern AI Scraping

Modern AI Scraping

4 lessons

1
Firecrawl and Managed Scraping APIs
What Firecrawl and similar services actually do underneath, when they're worth the cost, and how they compare to everything you built by hand.
10 min read
2
crawl4ai and Open-Source Alternatives
Self-hosted, free alternatives to Firecrawl — crawl4ai, ScrapeGraphAI and Browser-use — and the real tradeoff between paying for a managed API and running the infrastructure yourself.
10 min read
3
Apify: Ready-Made Scrapers for Popular Sites
How Apify Actors let you scrape Google Maps, Facebook, LinkedIn and other hard targets without writing selectors, and how to decide between Apify and Firecrawl.
9 min read
4
Choosing the Right Tool for the Job
A practical decision process for picking between plain requests, browser automation frameworks, Scrapy and managed AI APIs — the synthesis of the whole course.
9 min read

Modern AI Scraping Quiz8 questions · pass mark 60%