Vocabulary
What is Losless Compression?
A data compression algorithm that allows the original data to be perfectly reconstructed from the compressed data.
How do you define a variable?
Using the operation "var"
What is a list?
An ordered collection of elements.
In the list below, what is at index 5?
var lists = [cat, dog, rat, horse, fish, gorilla, koala]
Gorilla
What is the World Wide Web?
An interconnected system of public web pages accessible through the Internet.
What is the internet?
A group of computers and servers that are connected to each other.
How do you change a variable?
Making the variable = something new. Ex:
var cats
cats = 5
What is the first index number in java?
What will be displayed after this code?
var x = 4
x = x+5
console.log(x)
9
What is a binary question?
A question that has only two answers.
What is ASCII?
American Standard Code for Information Interchange. ASCII is the universally recognized raw text format that any computer can understand.
What are the 7 Logical Operators?
= &&, ||, != (and, or, not)
What is the first index number in Pseudo Code?
1
What is metadata?
Data that includes information such as height width, resolution, location, and or time stamp of an image
What is an IP address?
A number assigned to any device that is connected to the Internet.
What is an Overflow Error?
When the execution of a set of instructions return a value outside of this range.
What is a Boolean Expression?
A logical statement that can either be true or false.
How do you define a list?
var list = [];
What is Lossy Compression?
A form of compression where less-than-totally-necessary information is thrown out in order to reduce the size of the data. The eliminated data is unrecoverable.
What is the line below?
hello world, my name is...
A string
What is the Digital Divide?
The idea that not everyone has equal access to the internet. Demographics such as household income, level of education, race and ethnicity, age, geographic location, and community type can affect an individual’s access to the internet.
What is an if statement?
A conditional statement that, if proven true, performs a function that may display information, change something on the screen, etc.
What can you do to change a list?
Replace a number, add a number, insert a number, and remove a number.
What is Abstraction?
A simplified representation of something more complex.
What is a MOD operator?
A function that finds the remainder of division of one number by another.