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entails having the knowledge and understanding of computers and their uses.
is an electronic device, operating under the control of instructions stored in its own memory, that can accept data, process the data according to specified rules, produce results, and store the results for future use.
is a collection of unprocessed items, which can include text, numbers, images, audio, and video.
conveys meaning and is useful to one or more people.
device is any hardware component that allows you to enter data and instructions into a computer.
Some people refer to the series of input, process, output, and storage activities as the ____ processing cycle
A computer contains many electric, electronic, and mechanical components known as ____.
is a case that contains electronic components of the computer that are used to process data.
is the electronic component that interprets and carries out the basic instructions that operate the computer.
consists of electronic components that store instructions waiting to be executed and data needed by those instructions.
device is any hardware component that conveys information to one or more people.
A computer keeps data, instructions, and information on ____ media such as USB flash drives, CDs, DVDs, memory cards, and hard disks like the one shown in the accompanying figure.
device records (writes) and/or retrieves (reads) items to and from a USB flash drive, for example.
A hard disk provides much ____.
greater storage capacity than a USB flash drive
A widely used communications device
device is a hardware component that enables a computer to send (transmit) and receive data, instructions, and information to and from one or more computers
A computing phrase — known as ____ — points out that the accuracy of a computer’s output depends on the accuracy of the input.
garbage in, garbage out
All of the following are advantages of using computers except ____.
impact on labor force
is anyone who communicates with a computer or utilizes the information it generates.
computing involves reducing the electricity consumed and environmental waste generated when using a computer.
is a collection of computers and devices connected together as shown in the accompanying figure via communications devices and transmission media.
Networks, such as that pictured in the accompanying figure, allow computers to share ____, such as hardware, software, data, and information.
When a computer connects to a network, such as that pictured in the accompanying figure, the computer is ____
On a network, the major differences between the server (like the one in the accompanying figure) and client computers is that the server ordinarily has ____.
more power, more storage space, and expanded communication capabilities
like the one in the accompanying figure controls access to the hardware, software, and other resources on a network and also provides a centralized storage area for programs, data, and information.
is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals
People around the world use the Internet to ____.
communicate with and meet other people
shop for goods and services
access sources of information and leisure
In ____, people can communicate with multiple users at the same time — much like a group discussion.
A Web site is ____.
a collection of related Web pages
contains billions of documents called Web pages, is one of the more popular services on the Internet.
At a photo sharing ____, users can create an online photo album and store their digital photographs.
consist(s) of a series of instructions that tells the computer what to do and how to do it.
With a(n) ____, users interact with the software using text, graphics, and visual images such as icons.
You interact with a program through its ____, which controls how you enter data and instructions and how information is displayed on the screen.
Two categories of software are ____.
system software and application software
is the process of setting up the software to work with the computer, printer, and other hardware components.
The trend of computers and devices with technologies that overlap
Popular programming languages include ____.
is a computer that can perform all of its input, processing, output, and storage activities by itself.
refers to any personal computer based on the original IBM personal computer design.
computer is a type of personal computer designed so the system unit, input devices, and any other devices fit entirely on or under a desk or table
computer targets a specific audience and offers high-quality audio, video, and graphics with optimal performance for sophisticated single-user and networked or Internet multiplayer games.
computer is a personal computer that users can carry from place to place.
computer is a portable, personal computer designed to fit on your lap.
Some mobile devices are ____, meaning they can connect to the Internet wirelessly.
Examples of mobile technology include
portable media players
Which of the following is NOT true of mobile devices?
You often can connect a mobile device to a personal computer to exchange information between the computer and the mobile device.
Some mobile devices are Internet-enabled, meaning they can connect to the Internet wirelessly.
Answer- Mobile devices usually have disk drives.
Because of their reduced size, the screens on mobile devices are small, but usually are in color.
Offering the convenience of one-handed operation, a(n) ____ phone is an Internet-enabled telephone that usually also provides PDA capabilities.
Resembling a letter-sized slate, the ____ PC is a special type of notebook computer that allows users to write or draw on the screen.
users write on the screen or issue instructions to a Tablet PC, for example, by tapping on the screen
is a computer small enough to fit in one hand.
provides personal organizer functions such as a calendar, appointment book, address book, calculator, and notepad
is a real-time Internet communication, where you exchange messages with other connected users.
use a handheld controller(s) as an input device; a television screen as an output device; and hard disks, CDs, DVDs, and/or memory cards for storage.
mobile computing device designed for single-player or multiplayer video games.
are large, expensive, powerful computers that can handle hundreds or thousands of connected users simultaneously and store tremendous amounts of data, instructions, and information.
are the fastest, most powerful computers — and the most expensive.
Most major corporations use ____ for business activities.
capable of processing more than 1 quadrillion instructions in a single second.
are components in larger products, they usually are small and have limited hardware.
computer is a special-purpose computer that functions as a component in a larger product.
Together, hardware, software, data, people, and procedures comprise a(n) ____ system.
All of the following are categories of users
NOT COMMUNICATIONS USERS
At home, every family member, or home ____, spends time on the computer for different reasons.
With ____ software, a home user can play games, compose music, research genealogy, or create greeting cards.
include local law practices, accounting firms, travel agencies, and florists.
ncludes any company with fewer than 50 employees, as well as the self-employed who work from home.
Many small office/home office users have entered the ____ arena and conduct business on the Web.
Small business Web sites sometimes use a(n) ____ to show the world a live view of some aspect of their business.
Increasingly more employees and students are ____ users, who work on a computer while away from a main office or school.
category of user that requires the capabilities of a workstation or other powerful computer.
Many large companies use the term, ____ computing, to refer to the huge network of computers that meets their diverse computing needs.
is a work arrangement in which employees work away from a company’s standard workplace and often communicate with the office through the computer.
Each employee or customer who uses a computer in a large business is a(n) ____ user.
In a large business, the employees in the ____ department keep the computers and the network running.
With ____, users access account balances, pay bills, and copy monthly transactions from a bank’s computer right into their personal computers.
Investors often use ____ to buy and sell stocks and bonds — without using a broker.
system that attempts to imitate the behavior of the human brain.
refers to the use of computers to assist with manufacturing processes such as fabrication and assembly.
Computers are a primary means of communications for billions of people.
Computers process information (output) into data (input).
Communications has become an essential element of the information processing cycle
A printer displays text, graphics, and videos on a screen.
Some portable devices, such as digital cameras, use memory cards as the storage media.
Storage devices like the hard drive shown in the accompanying figure often function as a source of input because they transfer items from storage to memory.
To discard an old computer safely, put it in a landfill.
A client controls access to the resources on a network.
In many networks, one or more computers act as a server.
The world’s largest computer network is the Web
The user interface controls how data and instructions are entered and how information displays on the screen.
The two categories of software are system software and utility software.
A pod is a miniature image such as that shown in the accompanying figure that represents a program, an instruction, or some other object.
The application system provides a means for users to communicate with the computer and other software.
When a user starts a computer, portions of the operating system load into the computer’s hard disk from memory.
A utility program allows a user to perform maintenance-type tasks related to managing a computer, its devices, or its programs.
When a computer is purchased, it seldom has any software preinstalled on its hard disk.
Once in memory, the computer can carry out, or load, the instructions in the program.
Programmers develop programs or write the instructions that direct the computer to process data into information
The distinction among categories of computers is always clear-cut.
PC and PC-compatible computers usually use the Macintosh operating system (Mac OS).
Some desktop computers function as a server on a network.
Notebook computers generally are less expensive than desktop computers with equal capabilities.
On a typical notebook computer, the monitor is on top of the system unit, and the keyboard attaches to the system unit with hinges.
Some mobile devices are Internet-enabled so users can check e-mail and access the Internet.
In addition to basic telephone capabilities, a smart phone allows users to send and receive e-mail and access the Web.
A standard game console is small enough to fit in one hand, making it more portable than a handheld game console.
Servers like the one in the accompanying figure typically support only one computer at a time.
Mainframes store only small amounts of data, instructions, and information.
Mainframes can act as a server on a network environment.
With weights that exceed 100 tons, desktop computers can store more than 20,000 times the data and information than an average supercomputer.
Applications requiring complex, sophisticated mathematical calculations use supercomputers.
All IT applications should have readily available documented procedures.
Today’s homes seldom have any desktop computers.
Examples of mobile users include engineers, scientists, architects, desktop publishers, and graphic artists
Software used by power users usually is inexpensive because of its generic design.
Enterprises rarely have e-commerce Web sites.
Some enterprises use blogs to open communications among employees, customers, and/or vendors.
Employees that telecommute have rigid work schedules that prevent them from combining work and personal responsibilities.
Hardware requirements for a small office/home office (SOHO) user include game consoles.
More than 95 percent of colleges offer some type of distance learning classes
Finance software usually includes a variety of online services.
With online investing, the transaction fee for each trade usually is much more than when trading through a broker.
Nearly every area of health care uses computers.
An exciting development in health care is telemedicine, which is a form of long-distance health care.
Breakthroughs in surgery, medicine, and treatments seldom result from scientists’ use of computers.
The capability of the computer to recognize spoken words is a direct result of scientific experimentation with cochlear implants.
Many publishers make the content of magazines and newspapers available online.
Vehicles manufactured today often include some type of onboard navigation system.
Airlines do not provide online access.
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