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Chapter 5 Managing Systems Creating a New System

As discussed in Chapter 1, Introducing COSMOS, you may combine various projects to form a System. This will allow you to compute the total adjusted function points, total source line of code, total adjusted effort, cumulative time to develop, total time to develop, and system manpower buildup. To create a new System:

  • Select Filefrom theMenu Bar, then selectNewfrom theFile Menu. TheNew Dialog Boxwill be displayed.

  • Select Systemfrom this Dialog Box. TheDescription Dialog Boxwill now be displayed.

  • Enter descriptive information about the system you are modeling here and then select OK. TheSystem Summary Information Windowwill be displayed with the descriptive information you just entered in the upper part of the window. The remainder of the window will show System Level Estimation Information and Project Summary Information results (the results are computed from defaults).

Updating an Existing System

Tip: Systems are stored with the “.sle” extension by default

After entering a new System, you may wish to make some changes to the data. This is done as follows:

 Select Openfrom theFile Menu. You will see a dialog box from which you may select a savedSystem.

 Select the System you wish to update and the System Summary Information Window for that System will be displayed.

Entering System Data

Once a new or existing system is opened, you may enter new data or change existing data. You may add existing Projects into your system. When you create a new System, the new System is created with no projects loaded and default values for attribute data. After you have opened a new or existing System you may change the data by following the steps listed in this section.

Entering System Description

You may modify the System's description by following these instructions:

 Select System from theMenu Barthen selectDescription. TheDescription Dialog Boxwill be displayed.

 Change the description information as you desire, then select OK. TheSystem Summary Information Windowis displayed with the updated description.

Adding Projects to the System

You may add projects to the system as follows:

  • Select Systemfrom theMenu Barthen selectProjects. TheSystem Level Estimation Projects Dialog Boxwill be displayed.

  • Select the Addbutton to add projects to the System or theDeletebutton to delete projects from the System.

If you select the OKbutton, any changes made in theSystem Level Estimation Projects Dialog Box will be saved. If you exit this box by selecting theCancelbutton, changes will be disregarded.

Setting Attributes to the System

You may set the attributes to the system as follows:

  • Select Systemfrom theMenu Barthen select Attributes. TheSystem Level Estimation Attributes Dialog Boxwill be displayed

  • Set the TDEV and Effort attributes.

If you select the OKbutton, any changes made in theSystem Level Estimation Attributes Dialog Box will be saved. If you exit this box by selecting theCancelbutton, changes will be disregarded.

Initializing Your System

You may initialize your System as follows:

 Select Systemfrom theMenu Bar, then select Initialize.

Saving a System

Systems are kept in your computer's memory while you are working with them and need to be saved to disk if you want to view or modify the information later.

To save the current System for the first time or to save the System under a different directory, disk and/or file name, follow these instructions:

 From the File Menu, selectSaveAs. TheSave As Dialog Boxwill be displayed. If you are saving for the first time, you may selectSave instead.

 To save the System to the current drive and in the current directory, type a file nameand optionally anextensionfor the System in the File Name text box.

 To save the System to a different drive and/or directory, select the drive and/or directory ortype the completelocation,file name, and optionalextension in the File Name text box.

 Select the Savebutton.

To save a System using its current name, disk, and directory:

 From the FileMenu, selectSave.