MM 250 Unit 1 Discussion Topic 1 Introduce Yourself!

Throughout this course, many discussion opportunities will be available where you need to respond to other people's opinions and comments. Please take this opportunity to introduce yourself and to learn something about each other. Be sure to include the following information:

Your name, location, and something about you that you would like your classmates to know.

Reminder: Before posting, it is recommended that you review course Discussion requirements. These include the need to use proper English and avoid the use of emoticons, LOLs, all capital letters (which is considered shouting), and chat-speak. Proofread so that your work is professional and free of grammar, spelling, capitalization, and punctuation errors. Watch subject line and other instructions. Provide at least 100 words in your "initial post" (the answer to the questions at the top of the page), then write at least two meaningful responses to other posts and participate on at least three different days of the week to meet requirements. The Syllabus provides more detail about the grading of Discussions.

MM 250 Unit 1 Discussion Topic 2 Applications of Hexadecimal Numbers and ASCII Format

Initial post: Please answer all questions from Part 1 and Part 2.

Part 1: Application of Hexadecimal Numbers

Color palettes utilize a hexadecimal coding system divided into three parts: RED GREEN BLUE. In decimal form, it is written as an ordered triple (RED, GREEN, BLUE). In hexadecimal form, it is written as a six-digit number with the first two digits representing RED, the second two digits representing GREEN, and the third two digits representing BLUE. By combing various amounts of red, green, or blue, you can make any color. For example:

True Red is represented in hexadecimal form: FF 00 00 or in decimal form as 255, 0, 0.

True Green is represented in hexadecimal form: 00 FF 00 or in decimal form as 0, 255, 0.

True Blue is represented in hexadecimal form: 00 00 FF or in decimal form as 0, 0, 255.

True Yellow is represented in hexadecimal form: FF FF 00 or in decimal form as 255, 255, 0.

There is a variety of free software - available online that can identify the color codes for colors on your computer screen. Knowing the color codes can be helpful for programming, styling HTML pages, or graphic design. Do an Internet search to download, install, and use a free program to identify the color code for a color on your screen.

1.      Describe the color that you choose (i.e., periwinkle blue).

2.      What is the hexadecimal color code for your color?

3.      What is the decimal form of this color code (i.e., its ordered triple (RED, GREEN, BLUE))?

Part 2: Application of ASCII Character Code:

Computers store information using binary representations. To represent all the different characters of the keyboard (i.e., letters, numbers, and punctuation), a character code mapping these characters to a binary byte is used. The most commonly used character code is ASCII (American Standard Code of Information Interchange). Eight binary digits are used to represent each character on the keyboard.

For example, “DOG” is represented in binary form as:

DOG = 01000100 01001111 01000111

1. Write your first name in ASCII format. Make sure that you use an uppercase letter for your first ASCII character.

2. Write your color name from part 1 in ASCII format. (See ASCII Table)

First Response to a Classmate: Comment on at least one classmate’s color code. What would happen if you changed one of the red, green or blue values? Can you make the color darker or lighter? What would the new color code be?

Second Response to a Classmate: Comment on at least one classmate’s ASCII coded name. Write a short message to this classmate in ASCII format.

Discussion Requirements

Throughout this course, you will respond to other people’s opinions and comments by participating in the Discussion Boards. It is helpful to complete your Reading prior to answering the Discussion topics.

For this activity, you will discuss applications of hexadecimal coding and ASCII format.

The complete Discussion topics can be found by clicking on the Discussion content item in the menu to the left under this unit. Be sure to answer one of the provided questions, comment on at least two of your classmates' posts, and engage one another in discussion.

Discussion Board grading rubrics include points for posts which “…contribute to the quality of the discussion.” In order to earn full credit, students are strongly encouraged to post by Saturday night so that posts will engage other students and provide a quality contribution. Be sure your post is grammatically correct, has been spell checked, and you have fully answered the question. A response to a classmates’ post must be substantive; posts such as “Great job” or “I agree” will not be counted as a response. See the rubric for further details. Provide citations for any websites referred to in your posts and summarize in your own words any information shared in your post.

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