What is Software engineering? Cost time and other constraints Finite resources The benefit must outweigh the cost Others are competing to do the job cheaper and faster Inaccurate estimates of cost and time have caused many project failures www.oseng.com O Lethbridge/Laganiere 2001 Chapter 1: Software and Software Engineering© Lethbridge/Laganière 2001 Chapter 1: Software and Software Engineering 10 What is Software Engineering? Cost, time and other constraints • Finite resources • The benefit must outweigh the cost • Others are competing to do the job cheaper and faster • Inaccurate estimates of cost and time have caused many project failures