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computer science
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10
Computer Science
10th Grade
04/15/2017

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Term

PDF

Portable Document Format

Definition
This is a file format developed by Adobe Systems in 1992. PDF captures formatting information from a variety of desktop publishing applications, making it possible to send formatted documents and have them appear on the recipient’s monitor or printer as they were intended. This is because a PDF will maintain the original fonts, images, graphics as well as the exact layout of the file.
Term
Innovation
Definition
A novel or improved idea, device, product, etc, or the development thereof.
Term
Computer
Definition
A computer is a programmable machine. A computer responds to a specific set of instructions in a well-defined manner and executes pre recorded  instructions.
Term
Server
Definition
A computer. A computer that awaits and responds to requests for data.
Term
Internet
Definition
A groups of computers and servers that are connected to each other.
Term
ISP:Internet Service Provider
Definition
An ISP is your gateway to the Internet and everything else you can do online; a company that provides subscribers access to the Internet.
Term
Client
Definition

A computer that requests data stored on a server.

Example: When you type an address into your browser, your computer is the client and it sends the request to the DNS server.

Term
Web Server
Definition
A program that uses HTTP (Hypertext Transfer Protocol) to serve the files that form Web pages to users, in response to their request, which are forwarded by their computers’ HTTP clients.
Term
File server
Definition
A computer and storage device dedicated in storing files. Any user on the network can store files on the server.
Term
Proxy server
Definition
A server that sits between a client application, such as a web browser, and a real server. It intercepts all requests to the real server to see if it can fulfill the requests itself. If not, it forwards the request ot the real server.
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