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44 terms

Computer Class

STUDY
PLAY
Computer
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.
Data
a collection of unprocessed items, which can include text, numbers, images, audio, and video.
Information
conveys meaning and is useful to people.
Input
device is any hardware component that allows you to enter data
information processing cycle
Some people refer to the series of input, process, output, and storage activities of a computer as the ____ processing cycle.
Hardware
A computer contains many electric, electronic, and mechanical components known as ____.
System
The ____ unit is a case that contains electronic components of the computer that are used to process data.
Processor
The ____ is the electronic component that interprets and carries out the basic instructions that operate the computer.
Memory
___ consists of electronic components that store instructions waiting to be executed and data needed by those instructions.
output
A(n) ____ device is any hardware component that conveys information to one or more people.
storage
A computer keeps data, instructions, and information on ____ media such as hard disks, like the one shown in the accompanying figure, and on USB flash drives, optical discs, and memory cards.
storage device
A(n) ____ device records (writes) and/or retrieves (reads) items to and from a USB flash drive, for example.
Greater storage capacity than USB flash drive
A hard disk provides much ____.
Modem
A widely used communications device is a ____.
Communications device
A(n) ____ 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.
garbage in garbage out
A computing phrase — known as ____ — points out that the accuracy of a computer's output depends on the accuracy of the input.
Impact on labor force
All of the following are advantages of using computers EXCEPT ____.
User
A(n) ____ is anyone who communicates with a computer or utilizes the information it generates.
Green computing
____ computing involves reducing the electricity consumed and environmental waste generated when using a computer.
network
A(n) ____ is a collection of computers and devices connected together, as shown in the accompanying figure, via communications devices and transmission media.
Resources
Networks, such as that pictured in the accompanying figure, allow computers to share ____, such as hardware, software, data, and information.
online
When a computer connects to a network, such as that pictured in the accompanying figure, the computer is ____.
more power, more storage space, but decreased communication capabilities
On a network, the major differences between the server (like the one in the accompanying figure) and the client computers are that the server ordinarily has ____.
People around the world use the Internet to
all of the above
By subscribing to a(n) ____, you can use your computer and a communications device, such as a modem, to connect to the many services of the Internet.
Access provider
The trend of computers and devices with technologies that overlap is known
Convergence
Popular programming languages include
All the above
A(n) ____ 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.
Desktop
A ____ 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.
gaming desktop
A(n) ____ computer is a personal computer that users can carry from place to place.
mobile
A(n) ____ computer is a portable, personal computer designed to fit on your lap.
notebook
One design of Tablet PC, called a ____ tablet, has an attached keyboard.
convertible
Examples of mobile technology include all of the following EXCEPT ____.
servers
Which of the following is NOT true of mobile devices?
Mobile devices usually have disk drives
Offering the convenience of one-handed operation, a(n) ____ phone is an Internet-enabled telephone that usually also provides PDA capabilities.
smart
Each of the following is a popular type of mobile device EXCEPT ____.
mainframes
Resembling a letter-sized slate, the ____ PC is a special type of notebook computer that allows users to write or draw on the screen.
tablet
With a(n) ____, users write on the screen or issue instructions to a Tablet PC, for example, by tapping on the screen.
digital pen
A(n) ____ is a computer small enough to fit in one hand.
UMPC
A(n) ____ is an electronic version of a printed book, readable on computers and other digital devices.
e-book
A(n) ____ message is a real-time Internet communication, where you exchange messages with other connected users.
instant
Standard ____ use a handheld controller(s) as an input device; a television screen as an output device; and hard disks, optical discs, and/or memory cards for storage.
game consoles
A(n) ____ console is a mobile computing device designed for single-player or multiplayer video games.
game
Investors often use ____ to buy and sell stocks and bonds — without using a broker.
online investing