2. CONTROL SYSTEMS Control Systems A command is a directive that performs a specific task An argument is a variable that can be used by the function reveiving them A procedure is like a command that does multiple commands in one word A turtle is the thing that draws the lines in the program fd & bk = forward and backward lt & rt = left and right pu & pd = pen up and pen down

3. VARIABLES To square repeat 4 (FD 100 RT 90) VARIABLES are the length times and cell Go to the MSW Logo website: http://www.softronix.com/logo.html Then press, ‘Setup Kit’. Then press ‘download’ Now the installing is done How to install logo?

4. THE TURTLE WHICH WE COMMAND WILL EREASE ALL THE CODES AND COMMANDS WHERE WE WRITE THE COMMAND WHERE THE LIST OF COMMAND THAT

5. COMMAND FOR COLOURING setfloodcolor – this set the color to a color RGB (RED GREEN BLUE)values, which you need to put in after setfloodcolor. The values goes form 0 to 255. ex: setfloodcolor [255 0 0] this give a red color. fill – fill in the color that was set. In order to fill, the turtle need to be in the shape that was to be colored, when commanded fill color that was set by setfloodcolor will fills the area. SetPC – set pen color. This set the color of the line that will be drawn following this command. An RGB of color need to be put in also. Ex: SetPC [0 255 0] changes the pen color to green SetPenSize – set pen size. This set the size of the line that is to be drawn. The width of the pen is to be put in also. Ex: SetPenSize [2 2] Pennormal – change pen back to normal size and color (black

6. WHAT IS LOGO? A logo is a design or identifies something Our programing system is called Logo 32 (turtle), it is a on-screen cursor which can be given movement and drawing instructions to make graphics. Logo is a computer programming language used in Education. Logo is very easy to use. The word ‘Logo’ came form Greek and it actually means, ‘word’.