Download Keywords 2.1

Lesson 2.1 Coding for the Crowd
Key Terms
Term
Unit
API
2.1.2
Attribute
2.1.1
Arguments
2.1.3
Black hat hacker
2.1.3
Browser
2.1.1
Brute force attack
Client
2.1.1
Constant value
2.1.3
CSS
2.1.1
Crowdsourcing
3.1
Data visualization
2.1.4
Element
2.1.1
Encode
Endpoint
Global Variable
2.1.3
2.1.2
2.1.3
Definition
Application Programming Interface is offered by a server
for communication with a client app. A client computer
program can send instructions to the server and get data
from the server by sending requests to various URL
endpoints that form the API
HTML tags use tags to mark elements in a web page. The
value of an attribute in an element’s tag describes the
element.
Arguments are values that must be passed to a
procedure when it is called
A person who attempts to find computer security
vulnerabilities and exploit them for malicious reasons.
The term is derived from old Western movies in which
the bad guys wore black hats
A client program that requests a URL from a web server
program
Method of guessing a password for a server by trying
every possible combination
A program that accesses data from a server. Multiple
clients can access a single server.
Values are concrete words or numbers. When a variable
in a computer program is used to represent a constant
value, it is set at the beginning of the program and does
not change. The program can refer to the constant value
by the variable name rather than the value itself.
Cascading Style Sheets—a formatting standard that
specifies the layout and appearance of a web page. CSS
is usually written in a separate file so that it can be
applied to many pages on a single website
Strategy that takes advantage of large numbers of
people connected by computer networks to generate
the creation of content, the evaluation of content, and
the funding of ventures
The art of creating graphs to display data—helps
humans discover patterns in data
HTML tags use tags to mark elements in a web page.
Elements are parts of a web page such as the header,
body, hyperlinks, and images
To convert information into a particular format
URLs that form the commands available in an API
A variable that is accessible from all procedures and
blocks of code within the program in which it is defined.
pg. 1
HTML
2.1.1
HTTP
2.1.2
Index out of bounds
2.1.3
IP Address
2.1.1
Local variable
2.1.3
Protocol
Rendering
2.1.1
2.1.1
Request
Response
2.1.2
2.1.2
Tag
2.1.1
Test bed
URL
2.1.3
2.1.1
Value
2.1.1
Hypertext Markup Language—uses tags to mark
elements in a web page
Hypertext Transfer Protocol—specifies the norms of
transactions between client requests and server
responses on the web
The error given when a program tries to access a
sequence by asking for an item number bigger than the
length of the sequence
Internet Protocol addresses are numbers assigned to
each computer that communicates over the TCP/IP
communication protocol
A variable that is only accessible from within the local
procedure or block of code within which it is defined
A standard of normal interaction in a system
The process of drawing the text, pictures, and user
interface elements on the screen based on the HTML,
CSS, and JavaScript of a web page
Data sent from a client to a server, also called a query
Data sent from a server to a client as a result of a client
request
A construct of HTML that is used to mark elements of a
page with values and attributes
An environment designed for testing specific functions
Abbreviation for Uniform Resource Locator. URL is one
type of Uniform Resource Identifier (URI); the generic
term for all types of names and addresses that refer to
objects on the web. A URL that uses the HTTP / HTTPS
protocol is usually referred to as a web address
Values are concrete words or numbers. Variables in
computer programs and to tag attributes in HTML can
hold values
pg. 2