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• Technology is constantly changing, so it's important to stay up-to-date to remain digitally literate.
• Digital literacy includes having current knowledge and understanding of computers, mobile devices, the web, and related technologies.

Computers

• A computer is an electronic device operating under instructions stored in its memory.
• Types of computers include laptops, tablets, desktops, all-in-one computers, and servers.

Mobile and Game Devices

• Mobile and game devices include smartphones, digital cameras, portable and digital media players, e-book readers, wearable devices, and game devices.

Data and Information

• Data is the items entered into a computer.
• Information is how the computer processes the data.
• Keyboards, including on-screen and virtual ones, contain keys that enter data and instructions into computers and mobile devices.
• A pointing device is an input device that controls a small symbol on the screen called the pointer.
• Some computers and mobile devices enable voice input to speak data and instructions and capture live full-motion images using video input.
• A scanner is a light-sensing input device that converts printed text and images into a form that a computer can process.
• An output device is a hardware component that conveys information from a computer or mobile device to one or more people.
• A printer is an output device that produces text and graphics on a physical medium, such as paper.
• 3-D printers can print solid objects, such as clothing, prosthetics, eyewear, implants, and toys.
• A display visually conveys text, graphics, and video.
• Speakers allow you to hear audio, like music and voice.

Memory and Storage

• Memory consists of electronic components that store instructions and data.
• Computers store data, instructions, and information on various storage media.
• A storage device records (writes) and retrieves (reads) items to and from storage media.
• Storage media include hard disks, solid-state drives, USB flash drives, memory cards, optical discs, and cloud storage.

The Web

• The Internet is a worldwide collection of computer networks connecting millions of businesses, government agencies, and educational institutions.
• The World Wide Web (or web) is a global library of information available to anyone connected to the Internet.
• The web consists of a worldwide collection of electronic documents, each called a webpage.
• A website is a collection of related webpages.
• A web server is a computer that delivers requested webpages to your computer.
• A browser is a software that lets users with an Internet connection access and view webpages.
• A search engine identifies websites, webpages, images, videos, news, maps, and other information related to a topic.
• An online social network encourages members to share interests, ideas, stories, photos, music, and videos.

Digital Safety and Security

• It is important to protect computers and mobile devices.
• Digital safety and security issues include viruses, malware, privacy, health concerns, and environmental issues.
• Green computing reduces electricity consumption and environmental waste when using computers.
• Green computing strategies include recycling, using energy-efficient hardware, regulating manufacturing processes, extending the life of computers, and properly disposing of replaced computers.

Programs and Apps

• Software, also called a program, instructs the computer on what tasks to perform.
• System software includes the operating system and tools.
• Applications are another type of software.
• Installing a program is the process of setting it up to work with the computer, mobile device, printer, and/or other hardware.
• Running a program allows interaction through its user interface.
• A software developer or programmer develops programs and apps or writes the instructions that direct computers or mobile devices.

Communications and Networks

• Common communications include chat rooms, email, fax, FTP, GPS, instant messaging, the Internet, newsgroups, RSS, and videoconferencing.
• Additional technologies include Voice mail, VoIP, wireless Internet access points and wireless messaging services.
• A communications device is hardware capable of transferring items from computers and devices to transmission media.
• Wireless communications technologies include Wi-Fi, Bluetooth, and cellular radio.
• A network is a collection of computers and devices connected together, often wirelessly, via communications devices.
• Home networks are used to connect to the Internet, share a high-speed Internet connection, access media, share devices, play multiplayer games, connect game consoles, use VoIP, and interact in a smart home.
• Business networks facilitate communications, share hardware, and share data, information, and software.

Technology Uses

• Technology is used in education, government, finance, retail, entertainment, healthcare, science, travel, publishing, and manufacturing among others.

Technology Users

• Types of technology users include home users, small/home office users, mobile users, power users, and enterprise users.