UNIT 1
What is name given to information represented by computers
Binary
No one controls the Internet
What is Input?
Allows the user to enter data into the computer
This type of compression looses data to save space but is not reversible
lossy compression
This Internet Dilemma provides People from some racial or ethnic groups have unequal access to computing technology.
Digital Divide
Which of the following best describes the differences between a painting itself and the photo of the painting stored on the smartphone?
Smart phone - DIGITAL
Painting - ANALOG
A protocol can be described as a
Set of Rules that governs how devices transmit data or communicate with other devices
What is a user interface?
The way a user interacts with a computer device
Convert the decimal (base-10) number 20 to binary (base-2).
10100
Lucy is completing a project as part of a science class using materials she found online without giving credit to the author. What Law did she violates.
Copyright Law
Convert the binary (base-2) number 1001 to decimal (base-10).
9
What's an IP address
IP addresses provide a unique number for identifying devices that send and receive information on the Internet
What is the purpose of the onEVENT() Block?
onEvent() block is used to set up event handlers that can watch for certain events to occur in your app, such as clicking on a button, selecting an item from a dropdown, or moving the mouse.
Which of the following Internet protocols is used to request and send pages and files on the World Wide Web?
HTTP
What is Creative Commons?
Creative Commons enables content creators to freely distribute their otherwise copyrighted work.
Your computer uses 4 bits to represent decimal numbers (0, 1, 2, 3 and so on) in binary. What is the SMALLEST number for which an overflow error can occur?
16
Which of the following Internet protocols is MOST important in reassembling packets and requesting missing packets to form complete messages?
Transmission Control Protocol (TCP)
In app design what is a prototype?
is a simulation of how a real product will work and feel.
Domain Name Server
Name two elements that collect input
Buttons
Check Boxes & Radio Buttons
Text Input
Ryan is designing an app that needs to quickly send low quality photos between users. Most smartphones take much higher quality photos than Ryan needs for his app. Which answer best describes the type of compression Ryan should choose and why?
Lossy compression since it typically results in smaller data sizes.
Two devices are connected to the Internet and communicating with one another. A squirrel chews through one of the wires in the network that is currently being used by the devices to communicate. The network immediately begins using a different path through the network and communication continues as normal.
Why is it important for element IDs to have meaningful names
Unique, meaningful element IDs help humans remember and understand the purpose of various elements.
What the difference between Natural Language Programming Language
Programing Language is more precise that is used by machines while Natural Language is more complex and used by humans
This represents creative work that is invented of created by someone
intellectual property