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

Context Engineering

Tokenization & Embeddings3

Attention & the Context Window4

Prompt & Context Construction4

Retrieval-Augmented Context5

Memory & Long Context4

Advanced Context Engineering7

Evaluation & Scoring6

Why evaluation is part of context engineering
Building a golden evaluation set
Retrieval metrics: precision, recall, MRR, and nDCG
LLM-as-judge and generation scoring
Scoring strategies for rerankers and agent trajectories
Continuous evaluation in production

Context Designing7

Lessons

Contribute, invite only

Context Engineering

Tokenization & Embeddings3

Attention & the Context Window4

Prompt & Context Construction4

Retrieval-Augmented Context5

Memory & Long Context4

Advanced Context Engineering7

Evaluation & Scoring6

Why evaluation is part of context engineering
Building a golden evaluation set
Retrieval metrics: precision, recall, MRR, and nDCG
LLM-as-judge and generation scoring
Scoring strategies for rerankers and agent trajectories
Continuous evaluation in production

Context Designing7

Learn Context Engineering Evaluation & Scoring

Contribute, invite only

Building a golden evaluation set

The single most valuable asset for evaluating a context-engineered system — where good test cases come from, how many you need, and how to keep the set honest over time.

8 min readUpdated 2026-09-04context-engineeringevaluationgolden-dataset