Bugs and Failures Occurrence ·Bugs occur due to.. programmer,analyst,and other individual contributor(including tester）)fallibility time pressure complexity of the code,infrastructure,or problem to be solved changing technologies many system run together Failures occur due to bugs and... Environmental conditions Misuse(deliberate and accidental) 同濟大学 TONGJI UNIVERSITY Software testing/Qinpei Zhao 2023/12/16 12•Bugs occur due to… – programmer, analyst, and other individual contributor (including tester) fallibility – time pressure – complexity of the code, infrastructure, or problem to be solved – changing technologies – many system run together • Failures occur due to bugs and… – Environmental conditions – Misuse(deliberate and accidental) Software testing/ Qinpei Zhao 2023/12/16 Bugs and Failures Occurrence 12