Page 23 - DCAP405_SOFTWARE_ENGINEERING

Software Engineering

Notes
Figure 1.7: Software Development Roles and Processes
Software Development Steps Software Development Roles
REQUIREMENTS
ANALYSIS ANALYST
AND DEFINITION

SYSTEM DESIGN DESIGNER

PROGRAM DESIGN
PROGRAMMER
PROGRAM
IMPLEMENTATION

UNIT TESTING
TESTER
INTEGRATION
TESTING

SYSTEM TESTING

SYSTEM DELIVERY
TRAINER

MAINTENANCE

Table 1.1: Wheeler’s Most Important Software Innovations

Year Innovation Innovator
1945 Stored-program John von Neumann
1945 Hypertext Vannevar Bush
1951 Subroutines Maurice Wilkes, Stanley Gill, and David
Wheeler
1952 Compilers Grace Hopper
1954 Practically Compiling Human -like John B ackus
Notation (FORTRAN)
1957 Time-sharing John McCarthy
1966 Structured Programming Böhm and Jacopini
1967 Object Oriented Programming Simula 67 - Graham M. Birtwistle, Ole - Johan
Dahl, Bjoern Myhrhaug, and Kristen Nygaard
1968 The Graphical User Interface (GUI) Doug las C. Engelbart
1972 Modularity Criteria David Parnas
1988 Model View Controller Krasner and Pope
1991 Design Patterns Erich Gamma
1993 Refactoring William F. Opdyke

16 LOVELY PROFESSIONAL UNIVERSITY