Binary Numbers
What is 27 as a binary number?
11011
What three colors are used to make all other colors for pixels?
Red, Green, and Blue. (RGB)
Give an example of either a round-off error, or an overflow error.
Answers may vary.
True or False: Lossy Compression can't go back to it's original form.
True
True or False: Only items with a copyright symbol are protected.
False, you do not need a copyright symbol for items to be protected.
In the binary number system what two numbers represent digits?
0 and 1
How many bits does a pixel have?
9 Bits
What determines how many digits a computer can show?
The amount of bits used.
When would be a good time to use lossless compression?
When you need all of the original information and formatting. Ex: An important message
False
How many bits are in a byte?
8 Bits
What color will be made if you put in 000?
Black
What causes an overflow error?
Attempting to represent a number too large.
When would be a good time to use lossy compression?
When you don't need all of the information from something. Ex: a picture.
True or False: Creative commons allows creators to set their own restrictions of the copyright.
True
What is a decimal number?
a base 10 number with ten possible different digits.
What color will be made if you put in 111?
White
What causes a round-off error?
Attempting to represent a number too precise.
What is Lossless compression?
When the data is transformed to make it smaller and it can be reconstructed to its original size and form so you can still get the whole message.
What is the creative commons copyright?
A creative commons license is when a creator wants to give other people the right to share, use, and build upon a work that the person has created.
What is a binary number?
a base 2 number with two possible different digits.
What color will be made if you type in 101 (in RGB format)?
Purple
Can computers represent an infinite amount of numbers?
No, they can only represent a fixed amount of numbers
What is Lossy Compression?
When data is compressed to make it smaller but can’t be reconstructed to its original size and form so you don’t get the whole message.
What does copyright allow for?
Copyright allows creators to decide where there work will be sold and for how much, where it will be used, who owns it, who can use it, etc.