Shared Flashcard Set

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ppt1
n/a
23
Computer Science
Undergraduate 1
02/02/2012

Additional Computer Science Flashcards

 


 

Cards

Term
Computer
Definition
a programmable, electronic device that does the following:
Accepts data
Performs operations on data
Presents the results
Stores data or results as needed
Term
Four operations of a computer
Definition
Input
Processing
Output
Storage
Term
Information
Definition
When data is modified or processed into a meaningful form
Term
Hardware
Definition
The physical parts of a computer (the parts you can touch)
Term
Software
Definition
Programs or instructions used to tell the computer hardware what to do and to allow people to use a computer to perform specific tasks
Term
End users
Definition
Computer users
Term
Cloud computing
Definition
Data, applications, and even resources stored on computers accessed over the Internet—in a “cloud” of computers—rather than on users’ computers, and you access only what you need when you need it
Term
Embedded computer
Definition
A tiny computer embedded into a product designed to perform specific tasks or functions for that product.
Term
Mobile device
Definition
A very small communications device, such as a mobile phone, that has built-in computing or Internet capability.
Term
Personal computer (PC)
Definition
A small computer designed to be used by one person at a time.
Term
Midrange server
Definition
a medium-sized computer used to host programs and data for a small network.
Term
uniform resource locator
Definition
URL
Term
HTTP
Definition
Standard protocol identifier
Term
Network Architectures
Definition
the way computers are designed to communicate
Term
personal area network (PAN)
Definition
a network of personal devices for one individual that is designed to enable those devices to communicate and share data.
Term
local area network (LAN)
Definition
a network that covers a relatively small geographical area, such as a home, an office building, or a school.
Term
metropolitan area network (MAN)
Definition
network designed to service a metropolitan area, typically a city or county.
Term
wide area network (WAN)
Definition
a network that covers a large geographical area.
Term
intranet
Definition
a private network, such as a company LAN, that is designed to be used by an organization’s employees and is set up like the Internet with data posted on Web pages that are accessed with a Web browser.
Term
extranet
Definition
intranet available to outsiders
Term
Bandwidth
Definition
the amount of data that can be transferred at one time
Term
digital signals
Definition
in which data is represented by only two discrete states: 0's and 1's
Term
Analog signals
Definition
continuous waves
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