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Exam 10: Program Design

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Question 1

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Beth is considering a simple process for immediate orders.When processing an immediate order,a phone clerk writes the order on a paper form.Which of the following might be a reason NOT to automate this process?

A) The clerk could make errors when writing the information wrong on the paper form
B) The paper form could be lost when sent to the order filling /shipping area
C) The writing on the paper form could be hard to decipher
D) The costs to automate might be significantly higher than doing it manually
E) The time to get the paper form from the clerk's desk to the order filling / shipping area is one day or longer

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Question 2

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The technique that is used to communicate what needs to be developed to programmers / developers is called 'raw-code'.

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Question 3

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Generally,analysts use a 'bottom-up' approach when designing the programming specifications.

You are an analyst designing a billing module for a course registration system.For a particular module,the processing logic that needs to be coded is: under 12 credits,the cost is $400 per credit;from 12 to 15;the cost is $375 per credit and 16 or higher,the cost is $350 per credit.Write pseudocode for this scenario to guide a programmer who must produce the code for this module.

Generally,transform structures on a structure chart will have:

During program design,analysts write instructions for programmers about how the code should be written.

Sequence in a structure chart indicates under what conditions a module is invoked.

There are two symbols that describe special types of control in a structure chart.They are a curved arrow and a diamond.These symbols represent _____ and _____.

When creating the physical DFD,you may want to capture system information like date and time of update and user-id of the person who did the update.

When putting individual components together for a structure chart you will need to identify the three basic kinds of processes in a process model.Identify these three kinds of models and describe each.

_____ refers to how well the lines of code within each module in a structure chart relate to each other.

Iteration in a structure chart indicates in what order components are invoked.

Which is NOT true of structure charts?

Many of the data stores in the logical DFD will be changed into encrypted word processing documents when a physical DFD is developed.

A structure chart is composed of modules that work together to form a program.

When building the physical data flow diagram,processes may become html web pages or Visual Basic screens.

Generally,transaction structures on a structure chard will have:

Which of the following is NOT true?

It seems a lot of work to create structure charts,with high cohesion,loosely coupled,with high fan-in,low-fan-out,with transaction structures and transform structures.Why should an analyst bother developing structure charts and instead just pass on the specifications to the programmer?

A structure chart shows sequence,selection and data flows.