Unit 1
The single unit of information in a computer, typically represented as a 0 or 1
What is a bit?
Data that describes other data
What is metadata?
A programming language that captures only the most primitive operations available to a machine
What is a low level programming language? (examples of low level programming languages allowed)
A program designed to run blocks of code or functions in response to specified events
What is an event-driven program?
Default # of pixels in a turtle move forward command
What is 25?
Transmission capacity measure by bit rate
What is bandwidth?
1,000,000,000 bytes
What is a Gigabyte?
Loops that have a predetermined beginning, end, and increment
What are for loops?
A placeholder for a piece of information that can change
What is a variable
The best computer science class at LHS
What is Computer Science Principles with Mrs. Elmore?
The time it takes for a bit to travel from its sender to its receiver
What is latency?
Examples include JPEG, MPEG, and MP3
What is lossy compression?
A precise sequence of instructions for processes that can be executed by a computer
What is an algorithm?
This symbol is read “gets”
What is the equals sign?
Also acceptable: =
The largest 2 digit hex number
What is 255? or What is FF?
The service that translates URLs to IP addresses
What is the Domain Naming System?
To find a satisfactory solution where finding an optimal or exact solution is impractical or impossible
What is heuristic problem solving?
A collection of commands made available to a programmer
What is an API?
On-screen objects, like buttons, images, text boxes, pull down menus, screens and so on
What are UI (user interface) elements?
The value of this binary number in base ten: 1001(base 2)
What is 9?
A set of rules governing the exchange or transmission of data between devices
What is a protocol?
To input red, green, blue, and opacity to set pen color
What is penRGB(r, g, b, a);?
A collection of commands / functions, typically with a shared purpose
What is a library?
Dictates what portions of the code can "see" or use a variable, typically derived from where the variable was first created
What is variable scope?
This binary number in hex 1001 0111 0101 1010
What is 975A?