Table 3 UC1 Typical Course of Action Seq# Actor’s Action System’s Response 1 Drag and drop any of the The canvas displays the drag and navigation instruction icons to dropped instruction and a dialog is the canvas. popped up for users to change parameters 2 Specify the value of parameter Parameters are changed accordingly. for each instruction such as distance, time, angle for turning. 3 Close the dialog The program is updated. 2.1.3.2 Sensing Capability: Table 4 UC-2 Create Sensor Instructions Identifier UC-2 Create Sensor Instructions Purpose Enable the Elementary School Student to create sensor instructions to detect cliffs, find the elapsed time and distance covered. Requirements To be able to program sensor instructions so as to detect cliffs or calculate time and distance. Development Intervals of checking for the time and distance sensors. Risks Pre-conditions Knows about the purpose of each sensor. Post-conditions Appropriate Sensor instructions based on the requirement. 5 UC2 Typical Course of Action Seq# Actor’s Action System’s Response 1 Drag and drop any of the The canvas displays the drag and navigation instruction icons to dropped instruction and a dialog is the canvas. popped up for users to change parameters 2 Specify the value of parameter Parameters are changed accordingly. for each instruction such as distance, time, angle for turning. Close the dialog The program is updated. 3
Table 3 UC1 Typical Course of Action Seq# Actor’s Action System’s Response 1 Drag and drop any of the navigation instruction icons to the canvas. The canvas displays the drag and dropped instruction and a dialog is popped up for users to change parameters 2 Specify the value of parameter for each instruction such as distance, time, angle for turning. Parameters are changed accordingly. 3 Close the dialog The program is updated. 2.1.3.2 Sensing Capability: Table 4 UC-2 Create Sensor Instructions Identifier UC-2 Create Sensor Instructions Purpose Enable the Elementary School Student to create sensor instructions to detect cliffs, find the elapsed time and distance covered. Requirements To be able to program sensor instructions so as to detect cliffs or calculate time and distance. Development Risks Intervals of checking for the time and distance sensors. Pre-conditions Knows about the purpose of each sensor. Post-conditions Appropriate Sensor instructions based on the requirement. 5 UC2 Typical Course of Action Seq# Actor’s Action System’s Response 1 Drag and drop any of the navigation instruction icons to the canvas. The canvas displays the drag and dropped instruction and a dialog is popped up for users to change parameters 2 Specify the value of parameter for each instruction such as distance, time, angle for turning. Parameters are changed accordingly. 3 Close the dialog The program is updated.
SSAD_ASBUILT_S15b_T07_V2.3.docx