Link to Image Representation POGIL: https://docs.google.com/document/d/1c3QpreMbTHgNbPcnneZi7XpbEAhpm0Qo0jvM6Ygg0lI/edit?usp=sharing
Portfolio Reflection Questions
Make a copy of this document in your Portfolio Assignments folder and answer these questions in the spaces below. Once complete, turn in this assignment according to the steps given by your teacher.
3.3 Representing Images Curriculum Page
Answer the following questions:
Decode this message by converting it from binary to ASCII: 1000001 1110000 1110000 0100000 1001001 1101110 1110110 1100101 1101110 1110100 1101111 1110010 0100000 1010010 1001111 1000011 1001011 1010011 0100001
You can use this chart to help you: ASCII Conversion Chart
Answer
App Inventor ROCKS!
Describe what it means to say that JPEG is a lossy compression technique and whether or not it affects the quality of camera pictures.
Answer
This term means that after compressing the original image, the result won’t be a perfect copy, but with small, unnoticeable incongruencies. This does affect the quality of images, but not enough to detect with the naked eye so not much of a difference is made.
Give a specific example of a binary sequence that can represent more than one type of data -- e.g., a number, a color, a character -- and describe how to interpret its different values.
Answer
The binary sequence 01000001 in ASCII represents the letter A. In addition, it is also the number 65 in decimal, and a dark grey color.