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What does Lossless compression mean?

-it is a type of compression that saves space but it never gets rid of the data needed. If you use lossless compression you could reverse it and have the same thing but have a larger file.

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What is a pixel?

-a small box that makes up a screen. This can be used to show a picture.

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How might you encode colors?

-you use more bits and use those other bits to allow more colors and allow more light of the RGB spectrum to come in.

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Back in the Internet Unit you encoded a line-drawing image as a list of numbers that made up the coordinates of the points in the image. That works for line drawings, but how might you encode a different kind of image?

-you could encode it so it goes line by line instead of using coordinates. for those points that have nothing you could just leave it white or use a code for white.

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What is heuristic?

-allowing someone to learn something they never knew before. If someone never knew how to read or write, then they go to school they have the ability to learn how.

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Are the ways in which digital information is encoded more laws of nature or man made?

-You can use a code to make it possible to store that information. You could have a key and the code so that someone could decode it.

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What do you now know about the Internet?

-to connect to the internet you need an ip. This ip is like a house address for your computer.

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What is the difference between a kilobyte and a megabyte?

-a kilobyte is smaller than a megabyte. a megabyte can hold more information than a kilobyte because it is bigger than a kilobyte.

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What do you think about when you hear the word data? Where can it be found? Where does it come from?

-Data is any type of information. It could be plain text or a picture. Data can be many different things. Data can be found on the internet, or on a piece of paper. Data can come from all sorts of things, a user typing something in a text document, or a picture being taken. That data is being stored in the camera.

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What is Net Neutrality?

-Net Neutrality is where the internet service providers allow all websites to connect at the same speed. If there is no Net Neutrality internet service providers can sell faster load times to websites. This would make using the internet unfair and sometimes frustrating.

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What is the "Internet Protocol Stack?"

-The internet protocol stack is what is used to connect different connections to the internet. It connects devices using ethernet and other devices using wireless internet. This will allow the internet to be able to be connected to wireless or wired.

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What do you know about DNS and IP addresses

-DNS is what stores a websites IP address and sends it to a computer requesting the IP to connect to it. An IP address is a virtual address, it is like your devices home address. It is how to internet communicates to your specific device.

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Your friend sent you a message on the Internet, but you never received it. Based on what you already know about routers and the physical Internet, list what reasons might explain this fact.

-The traffic of the route the message tried to take was too crowded.
-the wrong IP was entered.

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Imagine you were going to send a letter to a friend living in another state. List the steps you imagine your letter would have to take through the different parts of the postal system. Don't worry if you're not sure about your answers, just make an educated guess.

-I'm guessing that once your letter is in the mailbox, it goes into a truck to go to the place where they fly it to the other destination, and from there it goes into another truck and it then goes to the address on the letter.

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What is an IP address?

-an IP address is like your computers home address.

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What is the normal decimal (base 10) representation of the following unsigned binary number:
00101101=

-45