Here’s a list of 200 one-liner questions with answers on Basic Computer Fundamentals:
1-50: Basic Concepts & Hardware
- What is the brain of a computer? – CPU (Central Processing Unit)
- What does CPU stand for? – Central Processing Unit
- What is the full form of RAM? – Random Access Memory
- What is the full form of ROM? – Read-Only Memory
- What is the smallest unit of data in a computer? – Bit
- What is a byte? – 8 bits
- Which memory is volatile? – RAM
- Which memory is non-volatile? – ROM
- What does HDD stand for? – Hard Disk Drive
- What is the primary function of an Operating System? – To manage computer hardware and software
- Which part of the computer is used to store data permanently? – Hard Disk
- Which device is used for printing documents? – Printer
- Which device is used for inputting text? – Keyboard
- Which device is used to control the cursor? – Mouse
- What is an example of an optical storage device? – CD/DVD
- Which type of software runs the computer hardware? – System Software
- What is the main circuit board of a computer? – Motherboard
- What does USB stand for? – Universal Serial Bus
- Which type of memory is used for temporary storage? – RAM
- What is the full form of SSD? – Solid State Drive
- Which port is commonly used for connecting a monitor? – HDMI/VGA
- Which key is used to refresh a web page? – F5
- What does BIOS stand for? – Basic Input Output System
- What is the function of BIOS? – To initialize hardware during booting
- Which type of printer uses a toner cartridge? – Laser Printer
- Which key is used to delete text to the left of the cursor? – Backspace
- Which key is used to delete text to the right of the cursor? – Delete
- Which device is used for audio output? – Speaker
- Which type of software is MS Word? – Application Software
- What is a touchpad? – A built-in pointing device on laptops
- What is a power supply unit (PSU) used for? – To convert AC power to DC power
- Which unit is used to measure processor speed? – GHz (Gigahertz)
- What is the full form of DPI in printers? – Dots Per Inch
- Which device is used to scan documents? – Scanner
- What is the default file extension of an MS Word document? – .docx
- What is the default file extension of an MS Excel file? – .xlsx
- Which device is used to project images on a large screen? – Projector
- Which type of computer is designed for multiple users? – Mainframe
- What is the full form of GUI? – Graphical User Interface
- Which part of the computer performs arithmetic operations? – ALU (Arithmetic Logic Unit)
- What is an example of an input device? – Keyboard
- Which device is used for high-speed internet connections? – Modem
- What is the primary function of cache memory? – To store frequently used data for quick access
- What is the purpose of a heat sink? – To dissipate heat from the CPU
- Which key combination is used to copy text? – Ctrl + C
- Which key combination is used to paste text? – Ctrl + V
- Which key combination is used to cut text? – Ctrl + X
- What is an example of a removable storage device? – USB Flash Drive
- Which type of computer is used for weather forecasting? – Supercomputer
- Which technology is used in a touchscreen? – Capacitive/Resistive
51-100: Software & Networking
- Which software manages files and folders? – Operating System
- Which key is used to open the Start menu in Windows? – Windows key
- Which type of software is used for browsing the internet? – Web Browser
- What is the full form of HTTP? – Hypertext Transfer Protocol
- What is the full form of HTTPS? – Hypertext Transfer Protocol Secure
- Which company developed Windows OS? – Microsoft
- Which company developed macOS? – Apple
- Which company developed Linux? – Community Developers
- Which OS is open-source? – Linux
- What does URL stand for? – Uniform Resource Locator
- What does IP stand for? – Internet Protocol
- What does LAN stand for? – Local Area Network
- What does WAN stand for? – Wide Area Network
- Which network is used within an office or building? – LAN
- What does VPN stand for? – Virtual Private Network
- Which protocol is used for email? – SMTP (Simple Mail Transfer Protocol)
- Which protocol is used for file transfer? – FTP (File Transfer Protocol)
- What does DNS stand for? – Domain Name System
- Which device connects multiple networks together? – Router
- Which device connects multiple computers in a network? – Switch
- What is the function of a firewall? – To protect against unauthorized access
- Which OS is used in Android smartphones? – Android OS
- Which OS is used in iPhones? – iOS
- What does SQL stand for? – Structured Query Language
- Which database software is developed by Microsoft? – MS Access
- What is phishing? – A cyber attack that tricks users into revealing sensitive information
- What does GUI stand for? – Graphical User Interface
- What does CLI stand for? – Command Line Interface
- What is an example of a programming language? – Python
- Which company developed Java? – Sun Microsystems
- What is the function of an IP address? – To identify devices in a network
- Which key is used to minimize a window? – Windows + Down Arrow
- Which key is used to maximize a window? – Windows + Up Arrow
- What does HTML stand for? – Hypertext Markup Language
- What does CSS stand for? – Cascading Style Sheets
- What does USB 3.0 provide over USB 2.0? – Faster Data Transfer
- Which key is used to take a screenshot in Windows? – PrtSc (Print Screen)
- Which programming language is used for web development? – JavaScript
- Which device is required for video conferencing? – Webcam
- What is the latest Windows version? – Windows 11 (as of 2024)
- Which key is used to undo an action? – Ctrl + Z
- Which key is used to redo an action? – Ctrl + Y
- Which application is used for presentations? – MS PowerPoint
- What is a spreadsheet application? – MS Excel
- What is cloud storage? – Online data storage
- Which browser is developed by Google? – Google Chrome
- Which browser is developed by Microsoft? – Microsoft Edge
- What is the full form of GIF? – Graphics Interchange Format
- Which extension is used for an executable file in Windows? – .exe
- Which key is used to close an active window? – Alt + F4
101-200: Advanced Computer Fundamentals & Security
101-150: Computer Security & Advanced Concepts
- What does ASCII stand for? – American Standard Code for Information Interchange
- What does Unicode provide? – A universal character encoding system
- What does CPU cache do? – Stores frequently used data for quick access
- Which type of malware replicates itself? – Worm
- Which type of malware disguises itself as legitimate software? – Trojan Horse
- What does VPN encrypt? – Internet traffic and IP address
- What is a keylogger? – A program that records keystrokes
- What does ransomware do? – Encrypts files and demands a ransom
- What does spyware do? – Secretly gathers user information
- What is two-factor authentication? – An extra layer of security requiring two credentials
- What is a strong password? – A password with a mix of uppercase, lowercase, numbers, and symbols
- Which organization manages domain names? – ICANN
- What does CAPTCHA prevent? – Automated bot attacks
- What does HTTPS provide over HTTP? – Secure encrypted communication
- What is an example of biometric authentication? – Fingerprint scanner
- What is a firewall? – A security system that filters incoming and outgoing traffic
- What does malware stand for? – Malicious Software
- Which type of attack floods a server with traffic? – DDoS (Distributed Denial of Service)
- What does an antivirus do? – Detects and removes malware
- What is encryption? – The process of converting data into a secure format
- What is decryption? – The process of converting encrypted data back to its original form
- What is an IP address conflict? – When two devices have the same IP address
- What is phishing? – A cyberattack that tricks users into revealing sensitive data
- What is an example of a cloud storage service? – Google Drive
- What is the full form of SaaS? – Software as a Service
- Which company provides the AWS cloud service? – Amazon
- Which company provides the Azure cloud service? – Microsoft
- What is IoT? – Internet of Things
- What does AI stand for? – Artificial Intelligence
- What is the full form of ML in technology? – Machine Learning
- What is the full form of AR? – Augmented Reality
- What is the full form of VR? – Virtual Reality
- What is cryptocurrency? – A digital currency secured by cryptography
- Which was the first cryptocurrency? – Bitcoin
- What is blockchain? – A decentralized ledger technology
- Which company owns Android? – Google
- What is the full form of OCR? – Optical Character Recognition
- What does DNS resolve? – Domain names to IP addresses
- What is the purpose of a proxy server? – To act as an intermediary for requests
- What is the function of a MAC address? – To uniquely identify a device on a network
- Which programming language is used for AI development? – Python
- Which is the most commonly used database management system? – MySQL
- Which protocol is used for secure web browsing? – HTTPS
- What does IMAP stand for? – Internet Message Access Protocol
- What does POP3 stand for? – Post Office Protocol 3
- Which type of software prevents unauthorized access? – Firewall
- What does RFID stand for? – Radio Frequency Identification
- What is a QR code? – A type of matrix barcode
- What is latency in networking? – The delay in data transmission
- What is bandwidth? – The maximum data transfer rate of a network
151-200: Computer Applications & Recent Trends
- What does GPU stand for? – Graphics Processing Unit
- What is a dedicated graphics card used for? – High-performance graphics rendering
- Which software is used for creating and editing images? – Adobe Photoshop
- Which software is used for video editing? – Adobe Premiere Pro
- Which software is used for 3D modeling? – Blender
- What is the full form of CAD? – Computer-Aided Design
- Which software is used for animation? – Autodesk Maya
- What is the full form of ERP? – Enterprise Resource Planning
- Which company developed MS Office? – Microsoft
- What does PDF stand for? – Portable Document Format
- Which software is used to read PDFs? – Adobe Acrobat Reader
- Which programming language is used for developing Android apps? – Java/Kotlin
- Which software is used for database management? – Oracle
- Which is an open-source database management system? – PostgreSQL
- What is the full form of API? – Application Programming Interface
- What does XML stand for? – Extensible Markup Language
- Which language is used for dynamic web pages? – JavaScript
- Which scripting language is widely used in web servers? – PHP
- What is a NoSQL database? – A non-relational database for large-scale data storage
- What does JSON stand for? – JavaScript Object Notation
- Which programming language is widely used in web backend development? – Python
- What does CMS stand for? – Content Management System
- Which CMS is the most popular? – WordPress
- What is the full form of SEO? – Search Engine Optimization
- What does URL shortening do? – Converts long URLs into shorter ones
- Which company developed the Chrome browser? – Google
- Which company developed Firefox? – Mozilla
- Which company developed the Safari browser? – Apple
- Which email service is provided by Google? – Gmail
- What is cloud computing? – Using remote servers for computing and storage
- What is SaaS? – Software as a Service
- What is an example of a SaaS application? – Google Docs
- What does PaaS stand for? – Platform as a Service
- What does IaaS stand for? – Infrastructure as a Service
- What is Edge Computing? – Processing data closer to the source rather than in the cloud
- What is 5G? – The fifth generation of mobile networks
- Which AI assistant is developed by Amazon? – Alexa
- Which AI assistant is developed by Google? – Google Assistant
- Which AI assistant is developed by Apple? – Siri
- Which AI assistant is developed by Microsoft? – Cortana
- What does IoT enable? – Connecting devices to the internet
- What is cloud gaming? – Streaming video games over the internet
- What does DevOps combine? – Development and Operations
- What is a chatbot? – A program that simulates human conversation
- Which programming language is used for blockchain development? – Solidity
- What does NFT stand for? – Non-Fungible Token
- What is Metaverse? – A virtual 3D digital world
- Which company developed ChatGPT? – OpenAI
- What is quantum computing? – A type of computing using quantum bits (qubits)
- Which is the first general-purpose computer? – ENIAC
