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14.8 Refining the Architectural Design 394
14.9 Summary 395
REFERENCES 396
PROBLEMS AND POINTS TO PONDER 397
FURTHER READINGS AND INFORMATION SOURCES 399

CHAPTER 15 USER INTERFACE DESIGN 401
15.1 The Golden Rules 402
15.1.1 Place the User in Control 402
15.1.2 Reduce the User’s Memory Load 404
15.1.3 Make the Interface Consistent 404
15.2 User Interface Design 405
15.2.1 Interface Design Models 405
15.2.2 The User Interface Design Process 407
15.3 Task Analysis and Modeling 408
15.4 Interface Design Activities 410
15.4.1 Defining Interface Objects and Actions 410
15.4.2 Design Issues 413
15.5 Implementation Tools 415
15.6 Design Evaluation 416
15.7 Summary 418
REFERENCES 418
PROBLEMS AND POINTS TO PONDER 419
FURTHER READINGS AND INFORMATION SOURCES 420

CHAPTER 16 COMPONENT-LEVEL DESIGN 423
16.1 Structured Programming 424
16.1.1 Graphical Design Notation 425
16.1.2 Tabular Design Notation 427
16.1.3 Program Design Language 429
16.1.4 A PDL Example 430
16.2 Comparison of Design Notation 432
16.3 Summary 433
REFERENCES 433
PROBLEMS AND POINTS TO PONDER 434
FURTHER READINGS AND INFORMATION SOURCES 435
CHAPTER 17 SOFTWARE TESTING TECHNIQUES 437
17.1 Software Testing Fundamentals 438
17.1.1 Testing Objectives 439
17.1.2 Testing Principles 439
17.1.3 Testability 440
17.2 Test Case Design 443
17.3 White-Box Testing 444
17.4 Basis Path Testing 445
17.4.1 Flow Graph Notation 445
17.4.2 Cyclomatic Complexity 446
17.4.3 Deriving Test Cases 449
17.4.4 Graph Matrices 452
17.5 Control Structure Testing 454
17.5.1 Condition Testing 454