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Vocabulary flashcards covering key terms from Chapter 1: Computer and Information Technology.
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Computer literacy
An understanding of concepts, terminology, and operations related to general computer use; essential knowledge to function independently with a computer.
Data
Raw, unprocessed facts such as text, numbers, images, and sounds.
Information
Processed data that becomes meaningful and usable.
Technology
A process to accomplish objectives by using scientific methods and knowledge; anything created by humans to solve problems.
Information technology
The use of computers, storage, networks, infrastructure, processes, and methods to accomplish tasks and objectives.
Hardware
The physical components of a computer that input, process, and output information; includes devices and types of computers.
System unit
The tower or chassis that houses the computer’s main electronic components, including microprocessors and memory.
Microprocessor
The component that controls and manipulates data to produce information.
Memory
A holding area for data, instructions, and information; RAM is a common type.
RAM
Random-access memory; volatile memory that holds the program and data currently being processed.
Secondary storage
Non-volatile storage that retains data and programs after power is off.
Hard disk
Magnetic storage using spinning platters to store programs and large data files.
Solid-state storage
Storage with no moving parts, more reliable and power-efficient; non-volatile.
Optical discs
Laser-based storage such as CDs, DVDs, and Blu-ray discs.
Input device
Hardware that translates data and programs into a form the computer can process.
Output device
Hardware that presents processed data in a human-useful form.
Keyboard
Primary input device for typing characters into the computer.
Mouse
Pointing input device used to interact with the computer.
Monitor
Display output device for viewing processed information.
Printer
Output device that produces hard copies of digital content.
Speaker
Output device that emits audible sound.
Projector
Output device that enlarges and displays images on a screen.
Camera
Input device that captures images or video.
Microphone
Input device that captures audio.
Biometric system
Input method using unique biological traits (e.g., voice, fingerprint) for identification.
Scanner
Input device that converts physical documents into digital form.
Game controller
Input device such as a joystick or dance pad used for gaming.
Modem
Communication device that modulates/demodulates signals to transmit data over networks.
Wi-Fi
Wireless networking technology enabling device connectivity to networks and the Internet.
Bluetooth
Short-range wireless technology for device-to-device communication.
Computer network
A set of connected computers sharing resources and information.
Document file
A file created by a word processor to store text documents.
Worksheet file
A file created by a spreadsheet to store data and calculations.
Database file
A file created by a database program to store structured data.
Presentation file
A file created by presentation software to deliver slides and notes.
Online classes
Digital classes conducted over the Internet, enabling remote learning.
E-procurement
Electronic purchasing of goods and services, often used by governments.
Cyber crime
Criminal activity conducted via computer networks and the Internet.
Copyright and intellectual property
Legal rights protecting creators’ works; issues arise with digital distribution and ownership.
Education technology
Use of technology to enhance education, including online classes, quizzes, and resource access.
Government technology
Technology applications like e-procurement and attendance systems used in government.
Entertainment technology
Technology enabling new ways to watch and share media; includes streaming platforms and related copyright considerations.
Retail technology
Online platforms for trading and shopping; concerns include cyber crime and regulatory changes.
Publishing technology
Digital methods of reading and publishing; transition to paperless publishing; copyright concerns.