What does CPU stand for?
Central Processing Unit — the primary component that executes instructions and runs programs.
What is the full form of RAM?
Random Access Memory — temporary, high-speed memory the CPU uses while the computer is switched on.
What is the full form of ROM?
Read Only Memory — permanent memory that stores data even when the computer is powered off.
What does URL stand for?
Uniform Resource Locator — the address used to locate a page or resource on the internet.
What is an operating system?
Software that manages a computer's hardware and software resources — e.g. Windows, macOS, Linux.
What is the full form of HTML?
HyperText Markup Language — the standard language used to structure content on web pages.
What is the difference between hardware and software?
Hardware is the physical parts of a computer you can touch (keyboard, monitor); software is the programs and instructions that run on it.
What is malware?
Malicious software designed to damage, disrupt or gain unauthorised access to a computer system.
What is the full form of USB?
Universal Serial Bus — a common standard for connecting devices like pen drives, keyboards and mice.
What is cloud computing?
Using computing services — storage, servers, software — over the internet instead of on a local computer.
What is the full form of PDF?
Portable Document Format — a file format that preserves formatting across devices and software.
What is a firewall?
A security system that monitors and controls incoming and outgoing network traffic based on defined rules.
What is the shortcut key to save a file in most applications?
Ctrl + S (Cmd + S on Mac).
What is the full form of Wi-Fi?
Wi-Fi is a trademark, not a strict acronym, though it's popularly linked to "Wireless Fidelity" — it refers to wireless local networking technology.
What is the difference between a browser and a search engine?
A browser (like Chrome) is software used to access the internet; a search engine (like Google) is a website used within the browser to find information.
What is the full form of IP address?
Internet Protocol address — a unique numerical label assigned to each device on a network.
What is a spreadsheet used for?
Organising, calculating and analysing data in rows and columns — e.g. Microsoft Excel or Google Sheets.
What is the full form of GUI?
Graphical User Interface — a visual way of interacting with a computer using icons, windows and menus.
What is phishing?
A cyber attack that tricks users into revealing sensitive information by pretending to be a trustworthy source, often via email.
What is the full form of CPU clock speed measured in?
Gigahertz (GHz) — indicating how many cycles the processor can perform per second.
What is the difference between a virus and a worm?
A virus needs a host file to spread and requires user action; a worm can self-replicate and spread across networks on its own.
What is the full form of SSD?
Solid State Drive — a fast storage device with no moving parts, unlike a traditional hard disk drive (HDD).
What is a database?
An organised collection of structured data, typically stored and accessed electronically, e.g. using tools like MySQL.
What is the full form of AI?
Artificial Intelligence — computer systems designed to perform tasks that typically require human intelligence.
What is two-factor authentication (2FA)?
A security process requiring two different verification methods — like a password plus an OTP — to confirm a user's identity.
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