SDD HSC questions

In executing a program, two numbers are to be added. Where would the result of this addition be initially stored?

• An address register

• An accumulator

• Random access memory

• Read only memory

During which stage of the software development cycle would user documentation of the software solution be produced?

• Defining and understanding the problem

• Planning and design of software solutions

• Implementation of software solutions

• Testing and evaluation of software solutions

A real estate agent has been keeping information on rental properties in a spreadsheet. The real estate agency would now like to convert all of the data to a database system as quickly as possible. What would be the most appropriate system conversion method?

• Direct conversion

• Parallel conversion

• Pilot conversion

• Phased conversion

Under what circumstances is it necessary to create a prototype?

• When only some of the system’s requirements are known

• When only one copy of the program is created

• When the program is not going to be updated

• When the project team does not know where to start

Why would a systems analyst most likely use CASE tools?

• To reduce the number of decisions

• To allow the user to develop software

• To speed up the production of the variable lists

• To speed up the development of large systems

What would a programmer be likely to use in order to understand the links between the various modules of a system?

• A structure diagram

• A decision tree

• A system flowchart

• A decision table

A program that appears to be operating correctly fails to produce an expected result, and runs indefinitely. What is the most likely type of error?

• Syntax error

• Run-time error

• Logical error

• I/O error

Which modelling tool best represents the relationships between a system and the external entities?

• A decision table

• A data flow diagram

• An IPO diagram

• A storyboard

In order to access information on the Internet, a visually impaired person may use screen-reading software that converts text to sound. What should developers do to make a website inclusive of the visually impaired?

• Choose web-safe colours

• Supplement graphics with text

• Have only text on each page

• Avoid the use of JavaScript

A software designer has decided to include a button on each of the screens of a program to allow the user to navigate back to the main menu screen. It was decided that this button should always be located at the bottom left corner and be the same colour and shape. How are these design decisions best described?

• Bad, because the programmers cannot demonstrate their skill

• Bad, because the user will become bored with the screens

• Good, because they demonstrate consistency of approach by the programmer

• Good, because they reduce the need for choices by the user