Heys D&T Revision 1: Approaches to Designing Practice Questions
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Design Strategies Electronic Systems The work of others: Designers The work of others: Companies Ecological, Environmental and Social Issues Try to answer the test questions
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![GCSE AQA Design and Technology Revision Guide
18
Design Strategies and Electron
nic Systems
1 1.1) Complete the table below by entering a suitable electronic component to achieve each
function.
State whether each is an input, process or output.
Function Component
Input, Process
or Output
Detect changes in light
level
Produce light
Produce sound
Detect changes
in temperature
Be programmed to turn
an output on for a set
period of time
[10]
1.2) Define what is meant by ‘user-centred design’.
[1]
27401_P018_079.indd 18 7/18/17 4:35 AM](https://image.slidesharecdn.com/designstrategieselectronicsystemsquestions-210304174716/85/Heys-D-T-Revision-1-Approaches-to-Designing-Practice-Questions-1-320.jpg)
![Practise
19
Practise
The Work of Others: Designers
s
2 Give the names of two past or present designers. For each, give the name of a design that they
have created and explain the influence of this design.
Designer 1
Design
Influence
[4]
Designer 2
Design
Influence
[4]
27401_P018_079.indd 19 7/18/17 4:35 AM](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Place a picture of your hardware design
Contents
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List of Tables 0
Part A: DC circuits [15 marks] 1
Introduction (5 Marks) 1
Design and simulation (35 Marks) 1
Hardware design (10 Marks) 2
Part C Results (10 Marks) 3
Part C (10 Marks) 4
Conclusions and Recommendations (5 Marks) 5
References (5 Marks) 5
Appendix (optional) 5
1
List of Figures
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Figure 2: The designed decoder2
Figure 3: The hardware circuit2
Figure 4: Priority encoder3List of Tables
Table 1: Truth table2
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108EN Electrical and Electronic scienceDesign, Simulation .docx
108EN Electrical and Electronic science
Design, Simulation and Technical Report
Place a picture of your hardware design
Contents
List of Figures 0
List of Tables 0
Part A: DC circuits [15 marks] 1
Introduction (5 Marks) 1
Design and simulation (35 Marks) 1
Hardware design (10 Marks) 2
Part C Results (10 Marks) 3
Part C (10 Marks) 4
Conclusions and Recommendations (5 Marks) 5
References (5 Marks) 5
Appendix (optional) 5
1
List of Figures
Figure 1: The simulated circuit1
Figure 2: The designed decoder2
Figure 3: The hardware circuit2
Figure 4: Priority encoder3List of Tables
Table 1: Truth table2
Part A: Semiconductor Devices, LO 5,6 [10 marks]
Take a photo of your constructed circuit [1 mark]
Insert a screenshot showing the signal across the load resister[4marks]
Explain the produced graph and steps you followed to accomplish it. This should prove your ownership of the design and understanding of the functions of MyDaq kit [5 marks].
Part B: Digital Circuits LO 3,6 [75 marks]Introduction (5 Marks)
Briefly summarise your project and steps followed to accomplish it. This should be written last and should be short (about 100 to 150 words). It should emphasize briefly the basis or reasons for the experiment. In addition, the methodology/ procedure, analysis, significant findings, conclusions and recommendations are also expected to be summarised concisely (in few sentences bearing in mind the number of words limitation).
The introduction should include an introductory paragraph that details the relevance of this lab to the demonstration of engineering principles.
A few paragraphs should be written that give good examples of where this work occurs in industry/ engineering design etc (Provide some figures of relevant application).
Introduce very briefly the rest of the Lab report sections here.
Hardware design (15 Marks)
Provide a brief description of all elements used in building the circuits (Push buttons, Pull-up resistors, Inverters, decoders, 7-segment resistors and 7-segment), suggestions and further improvements. Use the datasheets provided via Moodle or any other references. Use Harvard referencing guide found on Moodle.
Figure 3: The hardware circuit
Figure 4: Priority encoder
Figure 5: Common Anode 7 segment display (Source: ElectronicsTutorials)
Use Harvard referencing. Design and simulation (35 Marks)
Figure 1: The simulated circuit on Multisim
Re-design the SN7447A IC using logic gates, explain how and what you have done. Provide background theory and math (Boolean) where appropriate.
Table 1: Truth table
Clearly labelled photographs or schematics (often preferable) of the equipment are required.
Figure 2: The designed decoder on Multisim
It is important to show evidence of deep gained knowledge.
Conclusions and Recommendations (5 Marks)
This section (100 – 200 words) should briefly summarise the main conclusions of the laboratory exercise. What comes first, simulation or hardware c ...
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Session1 c1
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The COCOMO model provides different approaches for estimating software development effort and schedule based on project attributes. The basic COCOMO model uses lines of code and coefficients to estimate effort and schedule. The intermediate COCOMO model adds cost drivers related to product, computer, personnel and project attributes. COCOMO-II identifies different project types and provides three estimation models at different stages of a project.
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This paper gives an idea about a futuristic method for producing electricity with the This project presents the Designing of Transformer and Induction Motor. Mathematical equations are used for the designing of Transformer and Induction Motor. They help in determining the dimension and electrical parameters which will satisfy specifications such as rating of machine, speed of the machine, etc. used for design. But the design calculation can be a hectic process when done manually. Since the calculation is long and interdependent with each steps the occurrence of error is more likely. Python programming language is adopted for fast computation, to simplify the process and to minimize this error. The program is designed in such a way that allows the user to enter the main specification of the machine. The program performs the calculation required thus allowing the user to obtain the results. In addition, the software would be useful for the education and research purpose.
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Heys D&T Revision 1: Approaches to Designing Practice Questions
- 1. GCSE AQA Design and Technology Revision Guide 18 Design Strategies and Electron nic Systems 1 1.1) Complete the table below by entering a suitable electronic component to achieve each function. State whether each is an input, process or output. Function Component Input, Process or Output Detect changes in light level Produce light Produce sound Detect changes in temperature Be programmed to turn an output on for a set period of time [10] 1.2) Define what is meant by ‘user-centred design’. [1] 27401_P018_079.indd 18 7/18/17 4:35 AM
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