DEFINITIONS
1. Computer: An electronic device that processes data and performs tasks based on
instructions from software.
2. Smartphone: A mobile phone with advanced features like internet access, apps, and a
touchscreen interface.
3. Keyboard & Mouse: Input devices used to type (keyboard) and navigate (mouse) on a
computer.
4. Printer: A device that transfers digital documents or images onto paper.
5. USB/Flash Drive: A small, portable device used to store and transfer data between
computers.
6. Internet: A global network that connects millions of computers and allows them to
communicate and share information.
7. Wi-Fi: A wireless technology that allows devices to connect to the internet or a network
without physical cables.
8. Local Area Network (LAN): A network that connects computers within a limited area
like a home, school, or office.
9. Wide Area Network (WAN): A network that covers a large geographic area, often
connecting multiple LANs.
10. IP Address: A unique string of numbers assigned to each device on a network to identify
and locate it.
11. Firewall: A security system that controls incoming and outgoing network traffic to
protect against unauthorized access.
12. Bandwidth: The maximum rate of data transfer over a network, typically measured in
Mbps (megabits per second).
13. Email: A method of exchanging digital messages over the internet.
14. Social Media: Online platforms that allow users to create, share, and interact with
content and people (e.g., Facebook, Twitter, Instagram).
15. Cloud Storage: A service that stores data on remote servers accessed via the internet,
rather than on a local device.
16. Software: Programs and applications that run on a computer or device to perform
specific tasks.
17. Hardware: The physical parts of a computer system (e.g., monitor, hard drive,
processor).
18. Password: A secret code used to verify identity and protect digital accounts or data.
19. Phishing: A cyberattack where fake emails or websites trick users into revealing personal
information.
20. Encryption: The process of converting information into a code to prevent unauthorized
access.
21. Malware: Malicious software designed to harm, exploit, or disable computers and
systems (e.g., viruses, spyware).
22. Server: A computer that provides data or services to other computers on a network.
23. Database: An organized collection of data that can be easily accessed, managed, and
updated.
24. Algorithm: A set of rules or instructions for solving a problem or performing a task,
often used in programming.
25. Artificial Intelligence (AI): The ability of machines or software to mimic human
intelligence, such as learning, problem-solving, and decision-making.