3. Briefly describe system requirements. (4 mark)4. Differentiate between system integration and system test. (4 marks)5. Define Interface Analysis. List out all of its advantages. (4 marks)6. Differentiate concurrent engineering and human-factors engineering. (4 marks)7. Identify the FOUR (4) stages of product life cycle with the aid of illustration. (4 marks)8. State the FOUR (4) stages in quality development process. (4 marks)9. Define risk management. Describe the four elements of risk management. (4 marks)10. Explain the criteria of achieving effective engineering management. (4 marks)