Computer Science GCES OCR
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Cpu Architecture Performance And Embedded Systems Ocr5 主题
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Primary And Secondary Storage Ocr6 主题
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Data Storage And Compression Ocr12 主题
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Units Of Data Storage Ocr
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Processing Binary Data Ocr
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Data Capacity And Calculating Capacity Requirements Ocr
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Converting Between Denary And Binary Ocr
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Binary Addition Ocr
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Converting Between Denary And Hexadecimal Ocr
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Converting Between Binary And Hexadecimal Ocr
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Binary Shifts Ocr
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Representing Characters Ocr
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Representing Images Ocr
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Representing Sound Ocr
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Compression Ocr
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Units Of Data Storage Ocr
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Networks And Topologies Ocr6 主题
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Wired And Wireless Networks Protocols And Layers Ocr6 主题
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Identifying And Preventing Threats To Computer Systems And Networks Ocr2 主题
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Operating Systems And Utility Software Ocr2 主题
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Ethical Legal Cultural And Environmental Impact Ocr2 主题
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Computational Thinking Searching And Sorting Algorithms Ocr3 主题
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Designing Creating And Refining Algorithms Ocr5 主题
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Programming Fundamentals And Data Types Ocr5 主题
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Additional Programming Techniques Ocr7 主题
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Defensive Design And Testing Ocr6 主题
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Boolean Logic Diagrams Ocr2 主题
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Programming Languages And Integrated Development Environments Ides Ocr3 主题
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The Exam Papers Ocr2 主题
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Structuring Your Responses Ocr3 主题
Structure Diagrams Ocr
Exam code:J277
Structure Diagrams
What is a structure diagram?
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A structure diagram is a visual representation of problem decomposition
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A tool to show how a complex problem can be broken down into more manageable sub problems
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A planning tool for developers during the analysis of a problem
Worked Example
A hairdressers uses a mobile phone app to allow clients to book appointments.
Clients must log in before they can use the system. They then choose to book a new appointment, view all appointments already made or update their personal details. If clients choose to view their appointments, they can either view them on-screen or print them off.
A structure diagram has been used to design the mobile phone app.
Write one letter from the following table in each space to complete the structure diagram [4]
|
Letter |
Task |
|---|---|
|
A |
Book new appointment |
|
B |
View appointments on screen |
|
C |
Update personal details |
|
D |
Check price list |
|
E |
Log out of system |
|
F |
Print a paper copy of appointments |
Answer
Responses