Chapter 1

Digital literacy
Involves having a current knowledge and understanding of computers, mobile devices, the web, and related technologies.
Computer
An electronic device, operating under the control of instructions stored in its own memory, that can accept data (input), process the data according to specified rules, produce information (output), and store the information for future use
A User
anyone who interacts with a computer or mobile device, or utilizes the information it generates.
Personal computer (PC)
A computer that can perform all of its input, processing, output, and storage activities by itself and is intended to be used by one person at a time
Tablet
a thin, lighter-weight mobile computer that has a touch screen
Slate
A popular style of tablet is the slate, which does not contain a physical keyboard
Desktop computer
A personal computer designed to be in a stationary location, where all of its components fit on or under a desk or table
Server
a computer dedicated to providing one or more services to other computers or devices on a network
Data
a collection of unprocessed items, which can include text, numbers, images, audio, and video. Information conveys meaning to users
Memory
Consists of electronic components that store instructions waiting to be executed and the data needed by those instructions.
Cloud Storage
an Internet service that provides remote storage to computer users
The Internet
A worldwide collection of computer networks that connects millions of businesses, government agencies, educational institutions, and individuals
The Web
Consists of a worldwide collection of electronic documents
Webpage
Each electronic document on the web is called a __________.
A Browswer
Software that enables users with an Internet connection to access and view webpages on a computer or mobile device
Search Engine
Software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic
Malware
Software that acts without a user’s knowledge and deliberately alters the computer’s or mobile device’s operations
Software
Consists of a series of related instructions, organized for a common purpose, that tells the computer what tasks to perform and how to perform them
Operating System
A set of programs that coordinates all the activities among computer or mobile device hardware
A desktop app
an application stored on a computer
A web app
an application stored on a web server that you access through a browser
A mobile app
an application you download from a mobile device’s app store or other location on the Internet to a smartphone or other mobile device.
Communications device
Hardware capable of transferring items from computers and devices to transmission media and vice versa
Hot Spot
A wireless network that provides Internet connections to mobile computers and devices
Synchronization
Matching the files in two or more locations with each other
Blog
An informal website consisting of time-stamped articles (posts) in a diary or journal format, usually listed in reverse chronological order
It depends on your needs
How do you determine which type of computer — tablet, laptop, or desktop — is best?
SSDs
If a manufacturer is looking for memory that is very durable and shock resistant, which kind of technology might it use in its laptops?
You use an on-screen keyboard
If a tablet has no keyboard, how do you type on it?
Facebook
If you are looking for an online social network that allows you to share messages and interests with family and friends, which of the following is the best match for you?
It is a global library of information available to anyone connected to the Internet.
The Internet is a worldwide network. What is the World Wide Web?
Cloud Storage
You do not want to store your data locally on your hard disk. You would rather store it using an Internet service. What is this kind of storage known as?
Website
a collection of related webpages
All-in-one Computer
Which kind of desktop uses the same case to house the screen and processing circuitry?
Power
Which kind of user requires the capabilities of a powerful computer?
Mobile Computer
A personal computer that users can carry from place to place
e-book
an electronic version of a printed book, readable on computers and other digital devices?
Steve Jobs
Apple’s cofounder
Bill Gates
Microsoft’s founder
System
software consists of the programs that control or maintain the operations of the computer and its devices