Introduction to Computers and the Web

Digital literacy involves having a current knowledge and understanding of computers, mobile devices, the web, and related technologies.

A computer accepts data (input) and produces information (output).

A keyboard and a pointing device are two types of input devices.

<p>A scanner is a light-sensing input device that converts printed text and images into a digital form.</p> Signup and view all the answers

<p>Smartphones, digital cameras, and game devices are examples of mobile and game devices.</p> Signup and view all the answers

<p>Some mobile devices and computers enable users to speak data instructions using voice input.</p> Signup and view all the answers

<p>Mobile users typically use portable devices, while power users often utilize high-performance computers.</p> Signup and view all the answers

<p>Computers process data under the control of instructions stored in their memory.</p> Signup and view all the answers

<p>Smartphones are used for communication, internet access, and multimedia functionalities.</p> Signup and view all the answers

<p>Tablets are typically more portable and user-friendly, while laptops offer more processing power and a full keyboard.</p> Signup and view all the answers

<p>An output device is hardware that conveys information from a computer to users; an example is a printer.</p> Signup and view all the answers

<p>Data refers to raw facts and figures, while information is processed data that is meaningful and useful.</p> Signup and view all the answers

<p>A 3-D printer can produce three-dimensional objects.</p> Signup and view all the answers

<p>The Internet is the global network that connects computers, while the web is a collection of information accessed through the Internet.</p> Signup and view all the answers

<p>A browser allows users to navigate the web, while a search engine helps users find specific information on the web.</p> Signup and view all the answers

<p>Memory consists of electronic components that store instructions and the data needed by those instructions.</p> Signup and view all the answers

<p>Malware can compromise personal data, leading to identity theft and financial loss.</p> Signup and view all the answers

<p>The Internet is a worldwide network connecting millions of devices, facilitating communication and access to information.</p> Signup and view all the answers

<p>A webpage is an individual document on the web, while a website is a collection of related webpages.</p> Signup and view all the answers

<p>Wireless technology transmits data over airwaves, while wired technology uses physical cables.</p> Signup and view all the answers

<p>Wi-Fi routers and modems are commonly used to establish networks in small/home offices.</p> Signup and view all the answers

<p>A web server delivers requested webpages to users' devices.</p> Signup and view all the answers

<p>Cloud storage is a service that allows users to store data on remote servers accessed via the Internet.</p> Signup and view all the answers

<p>A browser is the software that enables users to navigate the World Wide Web.</p> Signup and view all the answers

<p>To find websites, webpages, images, videos, and other information related to a specific topic.</p> Signup and view all the answers

<p>Green computing refers to reducing electricity consumption and environmental waste when using computers. One strategy includes recycling old hardware.</p> Signup and view all the answers

<p>It involves setting up the program to work with the computer or mobile device and its peripherals.</p> Signup and view all the answers

<p>System software, such as the operating system, manages the hardware and provides the necessary functionality for applications.</p> Signup and view all the answers

<p>They encourage members to share their interests, ideas, stories, and media with other registered users.</p> Signup and view all the answers

<p>A software developer creates programs and apps, writing the instructions that direct computers to process data into information.</p> Signup and view all the answers

<p>Health concerns include eye strain and repetitive strain injuries; environmental concerns involve electronic waste and high energy consumption.</p> Signup and view all the answers

<p>The user interface is the way users interact with a program, including menus, buttons, and graphical elements.</p> Signup and view all the answers

<p>To transfer items from computers and devices to transmission media and vice versa.</p> Signup and view all the answers

<p>Wi-Fi, Bluetooth, and Cellular radio.</p> Signup and view all the answers

<p>A home network facilitates sharing a high-speed internet connection and personal content, while a business network focuses on communication, hardware sharing, and data exchange.</p> Signup and view all the answers

<p>VoIP allows users to make phone calls over the internet, often providing cost savings compared to traditional phone services.</p> Signup and view all the answers

<p>Education, government, finance, retail, entertainment, health care, science, travel, publishing, and manufacturing.</p> Signup and view all the answers

<p>A power user typically utilizes advanced technology and software for intensive tasks, while a small/home office user uses technology for standard business operations.</p> Signup and view all the answers

<p>Wireless networks enhance mobility and convenience, allowing devices to connect and communicate without being tethered by cables.</p> Signup and view all the answers

<p>They create new methods for interaction and information sharing, significantly improving speed and accessibility.</p> Signup and view all the answers