As lead analyst on a new system development project, you have been hard at work developing the program designs for the new system. Much of your time over the last three weeks has been devoted to this task, and you are nearing your target deadline. You have been so immersed in this work that you have decided to ask a team member to spend some time reviewing the structure charts that you have prepared. Although you have tried to be very careful in your work, you know that it is easy to overlook some design problems, and you want to avoid as many nasty surprises later as you can. The team member you want to help you has had quite a bit of experience reading and implementing systems from structure charts, but she has not been responsible for their development yet in her career.

a. Describe what your team member should look for with regard to cohesion. What will signify good cohesion in the design? What should she look for that might signify poor cohesion in the design?

b. Describe what your team member should look for with regard to coupling. What will signify good coupling in the design? What should she look for that might signify poor coupling in the design?

c. Describe what your team member should look for with regard to fan-in and fan-out. What will signify high fan-in in the design? What should she look for that might signify low fan-in in the design? What will signify low fan-out in the design? What should she look for that might signify high fan-out in the design?