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Unit 1&2 review

Final exam unit 1&2 review questions

QuestionAnswer
Why do humans create technology? To do things that cannot be done as easily without it.
What process is used to improve or innovate or create new inventions? The design process.
True or False: humans need to be creative to invent a technology. TRUE
True or false The use of math science and history enable technology to be created more precisely to meet our needs. (Think galluping gertie) True (you must be able to explain how all three are used to better fit tech to meet our needs)
true or false: telephones were redesigned over time as peoples needs changed from a device plugged into the wall, to a cordless device that works almost anywhere because of new inventions and innovations. TRUE
_____________ is changed over time to meet the needs and wants of society, people or individuals. Technology
Technologies like computers and cell phones are dependent on many ________ technologies. other
Name a technology that both cars and bicycles are both dependent on. (subsystem or part) Tires or any other common technology.
cars and bikes are both ______________ technologies. trasnportation
Name the part of a system that controls it feedback loop
Name the part of a system that acts to alter the input to create the output of the system. process
without feedback a closed loop system would be what kind of system? open loop system.
Open loop systems could also be called ___________ systems. uncontrolled.
a car is traveling at a set speed. If it slows the cruise control adjusts speed to keep it constant. A train has a similar control feature. so do boats. This feature is a system part. Input, Process, Output or Feedback loop? Feedback loop
Engineers at a brand new design company (A) have six months to design a blender. Another company (B) has been designing blenders for many years and they also have six months to prepare their design. Which blender will work better ? B has more information, information is a technological resource.
A factory hires a new worker to feed materials into the machines that make the metal and plastic parts for cars. What part of the car manufacturing system is he working in? input
If a worker makes a mistake feeding material into a machine making parts for a car and uses the wrong material, how might the mistake be noticed? During testing, or the feedack portion of the manufacturing system.
All technologies are made by humans, But what technology family can make other technologies? manufacturing technology
What family of technology do all other advanced technologies depend on? manufacturing technology
True or false: Durable goods can be made from non durable resources. carbon from plants can be compressed to form diamonds for example. TRUE
True or False: technology can be used to process materials into durable and non-durable goods using separating, joining, molding, and combining processes. TRUE
If humans only used recycled materials to make technology what impacts would be lessened? Pick an environmental impact, recycling a material would help eliminate pollution. examples are paper, plastic, aluminum, steel, recycling eliminates using fossil fuels, forests, and polluting the oceans .
Teaming, or teamwork is important in creating technology, why? Teamwork produces better results, also people are a technological resource. technology needs people to create and design it well so it does not impact us negatively.
how are systems interconnected? Systems like transportation systems reply on many other systems, energy and power, and manufacturing for example, to power them and make the parts they need to funtion.
name a negative social effect of using technology like cell phones. People talk less face to face, which means you cannot see facial expressions, and miscommunication often occurs.
technology by itself is not what? Good or bad. it is how it is used.
How does technology affect the environment? Current technology negatively impacts the environment because humans don't always think before they use technology in ways that damage the environment. new technology is being made that has less negative impacts. sustainable technologies...
when developing technology how might environmental and economic needs compete with each other directly? Sometimes it is cheaper to hurt the environment with technology that exists rather than pay to make or use better technology.
How does society impact technology development and use? Technology develops to meet the needs and wants of society, all great technology starts with an idea, a want or a need.
What is the first step of the design process? Identify the problem
What is the last step of the design process ? Presenting a solution, (but then the process repeats, because no design is ever perfect)
After the design process completes one cycle what usually happens? we look for a problem and restart the process.
How many steps do design processes have? Often six or more.
After identifying the problem, designers use the design process to direct them to do what next? Explore ideas to help solve the problem
After exploring ideas, what do designers do next? Plan and develop a design
after planning a design what do designers following the design process do next? Test the design before presenting the solution.
What is design? A creative planning process that leads to useful ideas and technologies. often these are referred to as a noun, "a design" or a verb "I designed it"
What are criteria and constraints? Requirements and limits to a design.
What is the design process? A series of steps that can be repeated to solve a problem.
What is a perspective drawing? A drawing that appears three dimensional using innacurate illusion involving vanishing points.
What is an isometric drawing? A drawing that shows size and shape accurately in three dimensions. designs can be built from these.
I have a bad papercut, what medical technology might I need? A band-aid /bandage, (and soap and water... )
Created by: mccaffery
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