DT Key Concepts GCSE (OCR 9-1)

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What is a stakeholder?

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What is a stakeholder?

People who have an interest in a product

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What is a primary user?

The person or group of people who will use a product

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3
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What is a design context?

The situation a design solution is intended for

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4
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What is globalisation?

Businesses and organisations operating globally and developing international influence

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5
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What are the four considerations that must be made when designing a product?

Social, cultural, moral and economic

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6
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What is sustainable economic growth?

Development satisfying economic needs of humans, without compromising those of future generations

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What is the usability of a product?

How easy a product is to use

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8
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What is ergonomics?

How people interact with a product

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What is inclusive design?

Designing for the widest possible range of consumers

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10
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What are anthropometrics?

How the sizes of human bodies can influence design

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What are aesthetics?

Factors associated with the nature and beauty of a product

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12
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What is the golden ratio?

A mathematical ratio found in nature that can be used to create natural looking products

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13
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What is disassembly?

Taking apart a product to examine it in detail

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14
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What is marketing?

Promoting and selling a product

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15
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What is market pull?

A need for a product that arises from customers to solve a certain need

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16
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What is technology push?

Where new research and technology leads to new products on the market

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17
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What is twenty-first century design?

Current, forward-thinking design that considers current trends and involves future consideration

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18
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What is a throwaway society?

A society influenced by consumerism, affecting the environment

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19
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What is a circular economy?

Where resources are used for as long as possible to regenerate products, leading to a cradle-cradle model

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20
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What is an emerging technology?

A new technology that is currently being developed

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21
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What is artificial intelligence?

Where computer programs 'learn' to perform their functions better than originally programmed, without the interference of humans

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22
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What are biometrics?

The identification of a user by physical appearance

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23
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What is virtual reality?

A computer-simulated environment that can be a simulation of the real world or an imaginary world

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24
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What are drones?

Unmanned flying objects with the potential to carry out certain roles

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25
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What is planned obsolescence?

The business practice of deliberately out-dating products before the end of its useful life

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26
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What are the six 'R's?

Rethink, reuse, recycle, repair, reduce, refuse

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27
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What are some examples of artificial intelligence?

Email inbox spam, car robots, smart personal assistance

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What are some examples of biometrics?

Apple iPhone fingerprint scanners, biometric passports, facial recognition

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What are some examples of virtual reality?

PlayStation VR, pilot training

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30
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What are some examples of drones?

'Blue Planet 2' drone filming, police surveillance, Amazon 'Prime Air' parcel delivery

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31
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What is a battery?

A self contained chemical power pack that can produce a limited amount of electrical energy

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32
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What is fair trade?

Trade in which fair prices are paid to producers in developing countries

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33
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What is oblique drawing?

Simple 3D sketches with added depth to display a design or idea

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34
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What is a perspective drawing?

A 3D sketching technique that shows objects in proportion

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35
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What are sketch models?

Quick models made from easy-to-work-with materials to give a 3D representation of a design or idea

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36
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What are the disadvantages of sketch models?

They are often small, inaccurate and weak

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37
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What are the advantages of sketch models?

They are quick to make, give a representation of what a design might look like and they are made out of low-cost materials

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38
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What is UCD (user centred design)?

Design based on the understanding of users, the tasks they do and the environments they will use the product in

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What is involved in UCD (user centred design)?

Focus groups, usability testing, participatory design, interviews and questionnaires

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40
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What is collaboration in design?

Working with others for mutual benefit

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41
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What is paper (and boards) measured in?

Gsm (grams per square meter)

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42
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What is corrugated cardboard?

A piece of fluted sheet sandwiched between two pieces of card to increase strength

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43
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What is card?

A thicker version of paper available in a wide variety of colours and sizes

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44
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What is corriflute?

Extruded corrugated plastic similar in structure to corrugated cardboard and is used for outdoor signs, plastic containers, packaging and for modelling

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45
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What is Styrofoam?

Expanded polystyrene foam with a blue tint and is used in insulation for caravans, boats, coolers and lorries and for models in design

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46
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What is hardwood?

Slow-growing wood which is dense, hard and heavy from deciduous trees

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47
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What is softwood?

Fast-growing wood which is cheaper than hardwood and usually softer, with it coming from coniferous trees

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48
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What is a ferrous metal?

A metal containing iron

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49
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What is a non-ferrous metal?

A metal which doesn't contain iron

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50
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What is an alloy?

A metal made by combining two or more metals

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51
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What is plastic memory?

The ability of thermo polymers to return to their original state after reheating

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52
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What is a mechanism?

A series of parts that work that work together to control forces and motion

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53
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What is a system?

A set of mechanical or electronic parts that work together to produce a desired output

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What is a force?

A push, pull or twist

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55
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What is rotary motion?

Motion in a circular shape

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56
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What is linear motion?

Motion in a straight line

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57
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What is oscillating motion?

Motion in a circular shape but moving backwards and forwards

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What is reciprocating motion?

Motion back and forwards in a straight line

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What is an input?

The type of motion put into a mechanism

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What is an output?

The type of motion a mechanism produces

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What is a lever?

A rigid bar that is free to turn around a fulcrum

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What is the load from a lever?

The output force of a lever

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What is a fulcrum

The pivot around which a lever turns

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64
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What is the effort of a lever?

The input force of a lever

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65
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What is the arm length?

The distance between the force being exerted and the fulcrum

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66
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What is a cam and follower?

A mechanism which converts rotary motion (cam) into reciprocating motion (follower)

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67
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What is a pinion?

A small driver gear (smaller than the driver gear)

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What is a shaft?

A rod that transfers the rotation through a mechanism

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69
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What is a simple gear train?

A pair of gears consisting of a driver gear and a driven gear

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70
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What is a spur gear?

A toothed wheel

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71
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What is torque?

A turning or twisting force

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72
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What is lubrication?

A substance applied to reduce friction between moving parts

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73
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What is a pulley and belt drive?

A method of transferring rotary motion between two shafts

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74
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What is a linkage?

A component used to direct forces and movement to where they are needed

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75
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What is a subsystem?

A section of a system with a specific role

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76
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What is a system diagram?

A diagram of interconnections and flow of signals in an electronic system

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77
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What is embedding?

Customising a microprocessor to be permanently placed within a product

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78
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What is a microcontroller?

A special-purpose microprocessor that adds functionality to a product

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79
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What is a physical quantity?

Something that can be measured, e.g light, temperature or speed

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80
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What is a program?

A set of instructions to tell a micro-controller how to carry out a task

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81
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What is a sensor?

A component that produces a signal in response to a specific physical quantity

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82
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What is a signal?

An electrical voltage that is used to represent information

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83
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What is latching?

A switch that stays on (or off) after a button is released

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84
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What is a momentary switch?

A switch that stays on only while it is held down

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85
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What is a piezo switch?

An electrical switch which generates an electric charge from a piezoelectric element, which turns on a field effect transistor, which causes the switch to be on or off

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86
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What is cloud computing?

A network of online servers that store and manage data

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87
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What is the internet of things?

Where two electrical devices connect within the existing internet infrastructure, to send and receive data without human intervention eg. bluetooth

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88
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What is nanotechnology?

Technology on a microscopic scale

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89
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What are economies of scale?

The cost advantages that manufacturers obtain due the size output or scale of their production

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90
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What is cellulose?

Wood fibres; an organic compound, structurally important in plant life

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91
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What is recycled paper?

Paper made from used paper products

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What is virgin fibre paper?

Paper made from 'new', unused wood fibres

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93
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What does it mean if something is lightweight?

It weighs very little

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94
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What does rigid mean?

It is difficult to bend

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95
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How can structural integrity be increased?

Folding and triangulation

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96
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What is embossing?

A method of giving paper and card three-dimensional areas by creating a risen area using heat and pressure and a mold

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What is CAD?

Computer-aided design

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98
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What is CAM?

Computer-aided manufacture (eg. laser cutter)

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What is a milling machine?

CNC machines which use a rotating cutter to remove material from a surface

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What is CNC?

Computer numeric control

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