Figure TB-4

question 114

Essay

Figure TB-4.1 is a "generic" level 0 data flow diagram (DFD),taken from Figure 4.5 in the text.
Required:
Using good data flow diagram construction techniques draw a diagram to explode bubble 3.0 to its next lower level.Diagram 3.0 should contain three processes,appropriately numbered,and should contain the following data flows in addition to those in the level 0 diagram (see NOTE):
a.
Flow H runs from the first process to the second.
b.
Flow I runs from the first process to the third.
c.
Flows J and K run from the second process to the third.
NOTE: Assume that the flows shown in the level 0 diagram affect diagram 3.0 as follows:

Recognize the stages of the writing process and the importance of proper planning and organization.

Understand the role of feedback in effective communication.

Understand the structure and formation of spinal nerves.

Identify and describe the layers of the meninges.

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Definitions:

Salvage Value

Salvage value is the estimated resale value of an asset at the end of its useful life.

Equivalent Annual Annuity

The annual cash flow of an investment that yields the same present value as the investment’s costs, used in capital budgeting to compare the profitability of investments.

Payback

The period of time required for the return on an investment to "pay back" the initial capital outlay.

Cost of Capital

Cost of capital refers to the minimum rate of return a company must earn on its investments to satisfy its investors, creditors, and other providers of capital.