Q1. How does MongoDB differ from a relational database?
MongoDB is a document database. Data is stored as flexible BSON documents inside collections instead of rows in tables with a fixed schema. Each document can have its own...
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Q2. What are microservices compared with a monolith?
A microservice architecture structures an application as a set of small, independently deployable services, each built around a business capability, owning its own data s...
Q3. How does reactivity work in Vue 3 with Proxy?
Vue 3 wraps reactive objects in an ES Proxy that intercepts get and set operations. On a get, track() records the currently active effect (a render function, computed or ...
Q4. SQL was developed as an integral part of...
Relational Database Management Systems (RDBMS). SQL is the ANSI-standard language for creating, querying, updating, and managing relational databases. Major implementatio...
Q5. What is the difference between the Options API and the Composition API in Vue 3?
The Options API organises component logic into fixed options such as data, methods, computed, watch and lifecycle hooks. The Composition API organises the same logic insi...
Q6. What is working capital and why does it matter?
Working capital is current assets minus current liabilities. It measures the short term liquidity available to run day to day operations. Current assets include cash, rec...
Q7. Compare the OSI model and the TCP/IP model.
The OSI model is a seven-layer reference model: Physical, Data Link, Network, Transport, Session, Presentation and Application. The TCP/IP model as taught is four layers:...
Q8. What are the main responsibilities of an operating system?
An operating system manages hardware and provides abstractions so programs do not talk to devices directly. Its main responsibilities are: - Process management: create, s...
Q9. How do you design a CI/CD pipeline for a microservices application?
Optimise for independent, fast, and safe delivery per service. - Per-service pipelines: each repository builds, tests, and deploys its own service, avoiding a monolith pi...
Q10. What are closures and how do capture lists work?
A closure is a self-contained block of functionality that can be passed around and captures values from its surrounding context. Functions are a special case of closures....