Easy Level – GK Questions

PaaS (Platform as a Service) provides development platforms (runtime, middleware, OS) managed by provider. Customers deploy and manage applications and data without worrying about infrastructure. Examples: Google App Engine, AWS Elastic Beanstalk, Azure App Service. Contrasts with IaaS (customer manages OS+) and SaaS (provider manages all).

UMANG (Unified Mobile Application for New-age Governance) is a single app providing access to 1,200+ central and state services: Aadhaar, PAN, EPFO, utilities, education, health. Features: multilingual support, voice search, offline access. MyGov is for engagement; DigiLocker for documents; UMANG for service delivery.

LAN (Local Area Network) connects devices within a limited area like home, office, or campus using Ethernet or Wi-Fi. Enables resource sharing (printers, files) and internet access. Contrasted with WAN (Wide Area Network) like internet that spans large geographic distances.

.xlsx is the default extension for Excel workbooks (XML-based format introduced in Office 2007). Older .xls format is binary. Other extensions: .docx (Word), .pptx (PowerPoint), .pdf (portable document). File extensions help OS identify appropriate applications for opening files.

Ayushman Bharat Digital Mission (ABDM) assigns 14-digit ABHA (Ayushman Bharat Health Account) numbers as unique health IDs. Enables consent-based sharing of health records across providers, teleconsultations, and personalized care. Part of India's digital health infrastructure transformation.

USB (Universal Serial Bus) is the standard port for keyboards, mice, and most peripherals. Replaced legacy PS/2 ports. USB-C offers reversible connector and higher power/data transfer. Wireless keyboards use Bluetooth or RF dongles, but USB remains universal for wired connections.

Caps Lock toggles alphabetic keys to produce uppercase letters without holding Shift. Shift produces uppercase only while pressed. Caps Lock indicator (LED) shows active state. Useful for typing headings or acronyms; accidental activation is a common user frustration.

e-KYC (Electronic Know Your Customer) uses Aadhaar authentication to verify identity digitally, reducing paperwork and processing time. Enabled for banking, telecom, pensions, and subsidies. Consent-based and secure, with audit trails. Supreme Court guidelines ensure privacy and purpose limitation.

F5 or Ctrl+R refreshes/reloads the current webpage to fetch latest content from server. Ctrl+F5 performs hard refresh bypassing cache. These shortcuts improve productivity when checking for updated information or troubleshooting loading issues.

PAHAL (Pratyaksh Hanstantrit Labh) is the DBT scheme for LPG subsidies, accessible via MyLPG app. Enables direct subsidy transfer to bank accounts, reducing leakage and ensuring benefits reach genuine beneficiaries.

QR (Quick Response) Code is a two-dimensional barcode that stores payment information. UPI apps can scan merchant QR codes to initiate payments instantly without entering account details. NPCI's Bharat QR is interoperable across banks and payment apps, promoting cashless transactions at small merchants.

Internet is the global network of interconnected computers using TCP/IP protocols. WWW (World Wide Web) is a service that runs on the internet, using HTTP/HTTPS to access interlinked hypertext documents. Other internet services include email, FTP, VoIP. Web is a subset of internet.

Ctrl+C copies selected content to clipboard. Ctrl+V pastes, Ctrl+X cuts (copy+delete), Ctrl+Z undoes last action. These keyboard shortcuts improve productivity across Windows applications. Mac uses Command (⌘) key instead of Ctrl for similar functions.

RLV-TD (Reusable Launch Vehicle - Technology Demonstrator) is ISRO's project to develop cost-effective access to space through reusable rocket technology. It tests hypersonic flight, autonomous landing, and powered cruise flight. Successful tests bring India closer to fully reusable launch systems.

Make in India, launched in 2014, aims to transform India into a global manufacturing hub, with focus on 27 sectors including electronics, IT, and telecommunications. It encourages foreign investment, skill development, and innovation to boost domestic production and reduce imports.

URL (Uniform Resource Locator) is the address used to access resources on the internet. It includes protocol (http/https), domain name, path, and optional parameters. Example: https://www.example.com/page?query=1. URLs are a subset of URIs (Uniform Resource Identifiers).

A byte is a unit of digital information that most commonly consists of 8 bits. This standard allows representation of 256 values (0-255), sufficient for ASCII characters. Larger units: Kilobyte (1024 bytes), Megabyte (1024 KB), etc. Some historical systems used different byte sizes, but 8-bit byte is now universal.

MyGov is a citizen engagement platform launched under Digital India that allows Indians to participate in policy discussions, submit ideas, vote on proposals, and provide feedback on government initiatives. It fosters collaborative governance and transparent decision-making.

As of 2026, the standard UPI transaction limit is ₹1 lakh per transaction for most categories. Some categories like capital market, insurance, and mutual funds have higher limits (₹2-5 lakh). Limits may vary by bank and user risk profile. Always check latest RBI notifications for updates.

Linux is a free and open-source operating system kernel created by Linus Torvalds in 1991. It is not developed by Microsoft. Linux distributions (Ubuntu, Fedora, Debian) are widely used in servers, embedded systems, and increasingly in desktops. Microsoft develops Windows, a proprietary OS.