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Midterm
DTS Vocab: Semester 1
| Question | Answer |
|---|---|
| Straightforward Approach | steps/pathway to a solution are given |
| Trial and Error Approach | trying something and trying again if it doesn't work |
| Iterative Approach | testing it out and keeping what works and fixing what doesn't |
| Systematic Approach | having a systematic way of eliminating possibilities |
| Design Process | Define the problem; Brainstorm; Research and Generate Ideas; Criteria and Constraints; Explore possibilities; Select an approach; Develop a Design Proposal; Make a Prototype; Test the Design; Refine the Design; Create it; Communicate Process and Results |
| Mechanical Core Technology | motion produced by mechanical parts |
| Electrical Core Technology | production from electrical energy |
| Electronic Core Technology | small amounts of electricity to process |
| Structural Core Technology | putting together parts for support |
| Fluid Core Technology | using fluid to apply force or transport |
| Optical Core Technology | using light to do work |
| Thermal Core Technology | getting work from heat energy |
| Biotechnology Core Technology | altering organisms and biological processes |
| Materials Core Technology | producing, altering, and combining materials |
| Criteria | desired features of the product or system |
| Constraint | relate to the limitations of the design |
| Financial Criteria/Constraint | cost-benefit ratio for the device |
| Production Criteria/Constraint | the resources available for the device |
| Technical Criteria/Constraint | the operational and safety characteristics that the device must meet |
| Market Criteria/Constraint | the function, appearance, and value of the device |
| Environmental Criteria/Constraint | relationship between the device and the natural and social environments |
| Flexibility Design Principle | available to accommodate change |
| Balance Design Principle | symmetrical balance |
| Proportion Design Principle | relationship in size of one component to another |
| Function Design Principle | each part has a purpose |
| Sequential Algorithmic Instructions | 2 instructions that if their order of execution changes, the product is changed |
| Conditional Algorithmic Instructions | 1 instruction that depends upon some preexisting state |
| Repetitive/Iterative Algorithmic Instructions | 1 instruction that is executed repeatedly until a certain condition is met |
| Concurrent Algorithmic Instructions | 2 instructions done at the same time |
| Syntax Error | a grammar error; program will not run but give an error message; usually easy to fix |
| Logical Error | an error in design; will run but give wrong results; most difficult to fix |
| Run-Time Error | an execution error; will run but give an error message; not always easy to fix |
| int | integer |
| double | precise valuables (w/ decimals) |
| String | words |
| boolean | true/false |
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