complete the assignment to do a thoughtful user-based design of an automobile dashboard system

Description

complete the assignment to do a thoughtful user-based design of an automobile dashboard system

ISEM 530
Systems Analysis and Design
User and System Interface Design
Systems Analysis and Design in a Changing World, 6th
Edition
2
INTRODUCTION TO
SYSTEMS ANALYSIS AND
DESIGN:
AN AGILE, ITERATIVE APPROACH
SATZINGER | JACKSON | BURD
CHAPTER 7
Chapter 7
Designing the User and System
Interfaces
Chapter 7
Introduction to Systems
Analysis and Design:
An Agile, Iteractive Approach
6th Ed
Satzinger, Jackson & Burd
Chapter 7 Outline
Introduction to Systems Analysis and Design, 6th
Edition
4
User and System Interfaces
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Chapter 7 Outline
Understanding the User Interface
Introduction to Systems Analysis and Design, 6th
Edition
5
User and System Interfaces
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Chapter 7 Outline
Introduction to Systems Analysis and Design, 6th
Edition
6
User and System Interfaces
Understanding the User Interface
User-Interface Design Concepts
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Chapter 7 Outline
Introduction to Systems Analysis and Design, 6th
Edition
7
User and System Interfaces
Understanding the User Interface
User-Interface Design Concepts
The Transition from Analysis to User-Interface Design
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Chapter 7 Outline
Introduction to Systems Analysis and Design, 6th
Edition
8
User and System Interfaces
Understanding the User Interface
User-Interface Design Concepts
The Transition from Analysis to User-Interface Design
User-Interface Design
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Chapter 7 Outline
Introduction to Systems Analysis and Design, 6th
Edition
9
User and System Interfaces
Understanding the User Interface
User-Interface Design Concepts
The Transition from Analysis to User-Interface Design
User-Interface Design
Identifying System Interfaces
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Chapter 7 Outline
Introduction to Systems Analysis and Design, 6th
Edition
10
User and System Interfaces
Understanding the User Interface
User-Interface Design Concepts
The Transition from Analysis to User-Interface Design
User-Interface Design
Identifying System Interfaces
Designing System Inputs
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Chapter 7 Outline
Introduction to Systems Analysis and Design, 6th
Edition
11
User and System Interfaces
Understanding the User Interface
User-Interface Design Concepts
The Transition from Analysis to User-Interface Design
User-Interface Design
Identifying System Interfaces
Designing System Inputs
Designing System Outputs
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Overview
Introduction to Systems Analysis and Design, 6th
Edition
12
Information systems interact with people and other
systems
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Overview
Introduction to Systems Analysis and Design, 6th
Edition
13
Information systems interact with people and other
systems
Poorly designed user interface can make the
information system unusable
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Overview
Introduction to Systems Analysis and Design, 6th
Edition
14
Information systems interact with people and other
systems
Poorly designed user interface can make the
information system unusable
Poorly designed system interfaces are a source of
errors and inefficiency
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Overview
Introduction to Systems Analysis and Design, 6th
Edition
15
Information systems interact with people and other
systems
Poorly designed user interface can make the
information system unusable
Poorly designed system interfaces are a source of
errors and inefficiency
User and system interfaces involve both inputs and
outputs and involve a large number of stakeholders
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
16
User Interfaces and System Interfaces
User Interface –
inputs and
outputs that
directly involve a
human user/actor
• A dialog goes on between
actor and system
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
17
User Interfaces and System Interfaces
User Interface –
inputs and outputs
that directly involve
a human user/actor
• A dialog goes on between actor and
system
System Interface –
the inputs and
outputs that require
minimal human
intervention
• Inputs captured automatically
• Outputs direct to other systems
• Printed and distributed outputs
(statements, reports)
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
User Centered Design
Introduction to Systems Analysis and Design, 6th
Edition
18
Design techniques that embody
the view that the user interface
is the system to the user
Dates back to the 1980s (more
for Mac)
Principles of User Centered
Design
• Focus early on users and their work
• Evaluate designs to ensure usability
• Use iterative development
Note that contemporary A&D
finally incorporates these
principles
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th Edition 19
Three Components of the User Interface
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Metaphors of Human Computer
Interaction
• metaphor in which objects on a display are manipulated to
look like physical objects (pictures) or graphic symbols that
represent them (icons)
Desktop metaphor
• metaphor in which the visual display is organized into
distinct regions, with a large empty workspace in the
middle and a collection of tool icons around the perimeter
Introduction to Systems Analysis and Design, 6th
Edition
20
Direct manipulation
metaphor
Document
metaphor
Dialog metaphor
• metaphor in which data is visually represented as paper
pages or forms
• metaphor in which user and computer accomplish a task by
engaging in a conversation or dialog via text, voice, or tools
such as labeled buttons
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
21
Metaphor Details
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design,
6th Edition
22
Direct Manipulation, Desktop, and
Document Metaphors On One Screen
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
23
Dialog Metaphor
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Systems Analysis and Design in a Changing World, 6th
Edition
24
External Video 1
Lynda.Com
Introduction to Systems Analysis and Design, 6th
Edition
25
User Interface Design Concepts
HumanComputer
Interaction
(HCI)
• A field of study concerned with the efficiency
and effectiveness of user interaction with
computer systems, human-oriented input and
output technology, and psychological aspects
of user interfaces
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
26
User Interface Design Concepts
HumanComputer
Interaction
(HCI)
• A field of study concerned with the efficiency
and effectiveness of user interaction with
computer systems, human-oriented input and
output technology, and psychological aspects
of user interfaces
Visibility and
Affordance
• To be usable, a control must be visible to the
user and its appearance should suggest its
functionality
• Media player controls, buttons, scroll bars
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
User Interface Design Guidelines
Introduction to Systems Analysis and Design, 6th
Edition
27
Design for Consistency
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
User Interface Design Guidelines
Provide Shortcuts
Introduction to Systems Analysis and Design, 6th
Edition
28
Design for Consistency
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
User Interface Design Guidelines
29
Design for Consistency
Provide Shortcuts
Introduction to Systems Analysis and Design, 6th
Edition
Provide Feedback
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
User Interface Design Guidelines
30
Design for Consistency
Provide Shortcuts
Introduction to Systems Analysis and Design, 6th
Edition
Provide Feedback
Dialogs Should Yield Closure
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
User Interface Design Guidelines
31
Design for Consistency
Provide Shortcuts
Introduction to Systems Analysis and Design, 6th
Edition
Provide Feedback
Dialogs Should Yield Closure
Error Handling that Provides Guidance
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
User Interface Design Guidelines
32
Design for Consistency
Provide Shortcuts
Introduction to Systems Analysis and Design, 6th
Edition
Provide Feedback
Dialogs Should Yield Closure
Error Handling that Provides Guidance
Easy Reversal of Actions
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
User Interface Design Guidelines
33
Design for Consistency
Provide Shortcuts
Introduction to Systems Analysis and Design, 6th
Edition
Provide Feedback
Dialogs Should Yield Closure
Error Handling that Provides Guidance
Easy Reversal of Actions
Reduce Short Term Memory Load
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Systems Analysis and Design in a Changing World, 6th
Edition
34
External Video 2
YouTube – Experience Dynamics
Systems Analysis and Design in a Changing World, 6th
Edition
35
External Video 3
Use Cases and the Menu Hierarchy
36
We design use case by use case
Introduction to Systems Analysis and Design,
6th Edition
Menus are a typical way to organize access to use case functionality
Different types of users might have different menus
Useful to design an overall menu hierarchy and then subsets for different
users
Once the hierarchy is established, menus can be implemented in a variety of
ways
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
37
Two Different Menu Styles
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Grouped by
Actor and
Subsystem
Introduction to Systems Analysis and Design,
6th Edition
38
Some RMO
Use Cases
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
RMO Use Cases
Introduction to Systems Analysis and Design,
6th Edition
39
Grouped into First Cut Menu Hierarchy
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
40
Dialog Design
For each use
case, think of
the natural
flow of a
dialog
between
user and
computer
• Based on the flow of activities in use case
description and/or the system sequence
diagram
• Use natural language to emphasize
feedback to user
• Create a storyboard of the dialog, showing
the sequence of sketches of the screen
each step of the dialog. (storyboarding)
• Review the storyboard with users
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
From Dialog to Storyboard (part 1)
Introduction to Systems Analysis and Design, 6th
Edition
41
Use case Check out shopping cart
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
42
From Dialog to Storyboard (part 1)
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
43
From Dialog to Storyboard (part 2)
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
44
From Dialog to Storyboard (part 2)
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Systems Analysis and Design in a Changing World,
6th Edition
45
External Video 4
Interface Layout
and Formatting
• Consistency, labels and headings,
distribution and order, fonts and colors
Introduction to Systems Analysis and Design,
6th Edition
46
Guidelines for Windows
and Forms
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design,
6th Edition
47
Guidelines for Windows
and Forms
Interface Layout
and Formatting
Data Entry
• Consistency, labels and headings,
distribution and order, fonts and colors
• Text box, list box, combo box, radio
buttons, check boxes
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design,
6th Edition
48
Guidelines for Windows
and Forms
Interface Layout
and Formatting
Data Entry
Navigation and
Support Controls
• Consistency, labels and headings,
distribution and order, fonts and colors
• Text box, list box, combo box, radio
buttons, check boxes
• Minimize, maximize, close, scroll bars,
resize
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Systems Analysis and Design in a Changing
World, 6th Edition
49
RMO Windows Form
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Guidelines for Web Browser
User Interfaces
Introduction to Systems Analysis and Design, 6th
Edition
50
Consistency
Performance
Considerations
Pictures, Video,
and Sound
Users with
Disabilities
• Cascading Style Sheets (CSS) – Web page encoding standard that
enables a Web site designer to specify parts of a page that will
always look the same and parts that will vary by task or audience
• Sensitive to network connection, amount of information
transmitted, type of information transmitted
• Powerful, but compatibility issues arise
• Assistive technologies — software (such as text-to-speech and
voice-recognition utilities) that adapts user interfaces to the special
needs of persons with disabilities
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
RMO Example
Introduction to Systems Analysis and Design, 6th
Edition
51
Using CSS for Consistency
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
52
Guidelines for Handheld Devices
Challenges
Small screen size, small
keyboards and touch
screens, limited network
capacity, app design
guidelines and toolkits
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Identifying System Interfaces
Introduction to Systems Analysis and Design,
6th Edition
53
Inputs/outputs with minimal human intervention
Inputs from and
outputs to other
systems
• These are direct interfaces with other information
systems, normally formatted as network
messages.
Highly automated
inputs and outputs
• These are captured by devices (such as scanners)
or generated by persons who start a process that
proceeds without further human intervention.
Inputs and outputs
to external
databases
• These can supply input to or accept output from a
system.
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Systems Analysis and Design in a Changing
World, 6th Edition
54
Identifying System Interfaces
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
XML for System Interfaces
• Extensible Markup Language (XML) — extension of HTML that embeds
self-defining data structures within textual messages
Introduction to Systems Analysis and Design, 6th
Edition
55
• XML tags — character sequences (such as and ) that define the
beginning, end, and meaning of the text that appears between them
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
56
System Inputs
Primary
Objective is
Error Free
Input
• Use electronic devices wherever possible
• Avoid human involvement as much as possible
• If information is already available in electronic form,
use it instead of re-entering information
• Validate and correct information at time and
location entered
Device
Examples
• Magnetic card strip readers, bar code readers,
optical character recognition, radio frequency ID
tags (RFID), touch screen, electronic pens, digitizers,
speech recognition
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
57
Introduction to Systems Analysis and Design,
6th Edition
• Defining System
Inputs Details
• Sequence
Diagram
• Details for
messages
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
System Outputs
Introduction to
Systems Analysis
and Design, 6th
Edition
58
Detailed reports — reports that contain specific information on business
transactions
Summary reports — reports that summarize detail or recap periodic activity
Exception reports — reports that provide details or summary information
about transactions or operating results that fall outside a predefined normal
range of values
Executive reports — reports used by high level managers to assess overall
organizational health and performance
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
59
System Outputs
Internal outputs — reports or
other outputs produced for
use within the organization
• Types of internal reports apply here
External outputs — reports or
other outputs produced for
use by people outside the
organization
• Statements, notices, stockholder reports
• Higher quality, color, reflect image of
organization
Turnaround documents -external outputs that includes
one or more parts intended to
be returned with new data or
information
• Bills
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to Systems Analysis and Design, 6th
Edition
60
External Output Example
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Systems Analysis
and Design in a
Changing World,
6th Edition
61
Internal
Output
Example
Detailed control
break report
Drill Down Online Report
Systems Analysis
and Design in a
Changing World,
6th Edition
62
Summary and Detailed
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Introduction to
Systems Analysis
and Design, 6th
Edition
63
Graphical
Outputs
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Summary
64
There are two types of interfaces – user interfaces and system interfaces
Introduction to Systems Analysis and Design,
6th Edition
User interfaces involve direct user interaction with the system. System
interfaces require minimal or no user interaction
The design of the user interface has a long history as human computer
interaction (HCI) and relies on user-centered design, which focuses early on
users, evaluates designs to ensure usability, and uses iterative development
Metaphors are used to think about the nature of the user interface, and they
include direct manipulation, desktop, document, and dialog metaphors.
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Summary (continued)
65
Key user interface concepts include affordance and visibility for controls
Other key principles include consistency, shortcuts, feedback, dialog closure,
error handling, reversal of actions, and reducing short term memory loads
Use cases are organized into one or more menu hierarchies to arrange
functionality for users
Dialogs and storyboards are used to design the interaction for each use case
based on use case flow of activates and system sequence diagrams
Guidelines are available for designing for Windows, Web browsers, and
Handheld devices
Introduction to Systems Analysis and Design, 6th Edition
© 2012 Cengage Learning. All Rights Reserved. This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition.
May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.
Summary (continued)
Introduction to Systems Analysis and Design, 6th
Edition
66
System interfaces include inputs and outputs to other systems, highly automated
inputs and outputs, and inputs and outputs to external databases.
Designing system inputs involves identifying devices and mechanisms, identifying
inputs and the data content, and determining the controls necessary
Designing system outputs includes designing detailed reports, summary report,
exception reports, and executive reports
Outputs are also classified as internal, external, or turnaround
Electronic reports and other outputs can include drill down, graphics, and
multimedia
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