You have just been employed by DASAD Company Limited as a systems analyst. You received a systems request from the Finance Department. The Finance manager wants the request to be granted as soon as possible. She says to you “We cannot afford any delays. This systems development life cycle stuff takes too long. We really know what we want. Just get to work and show as that you are competent.” She suggests that the IT department bypass the initial steps for any Finance department request and immediately get to work at the solution. a. Discuss what you would say to her. (10 marks)
b. Describe the approach you would recommend to the company so that the system can be developed in a short time? Explain the reasons for your choice. (5 marks)
c. Recommend a system changeover method for DASAD Company limited. Give reasons for your recommendation. (5 marks)

Write a program that uses a widgetviewer object to do the following: generate two random integers between 1 and 9 (inclusive). name one of them x, the other y. display them to the user using jlabel objects. create a jlabel object displaying the text "enter an operation number." create a jtextfield for the user's input. create a jbutton displaying the text "press here when you've entered your operation." use addandwait to add it to the widgetviewer object. when the user clicks the jbutton, evaluate operation in the following order to determine the one and only mathematical operation to perform on x and y. use a jlabel to display the result. if operation is between 1 and 10 inclusive, add x and y. if operation is evenly divisible by 4, subtract y from x. if operation is evenly divisible by 5, use integer division to divide y into x. if operation is an even number, use floating point division to divide y into x. if none of the other tests on operation apply, multiply x and y. note: operation can be negative or zero.

3. bob is arguing that if you use output feedback (ofb) mode twice in a row to encrypt a long message, m, using the same key each time, it will be more secure. explain why bob is wrong, no matter what encryption algorithm he is using for block encryption (15 points).

10. when you create a pivottable, you need to specify where to find the data for the pivottable. is it true