Software Design and Development Quick Quiz 2

1. Claiming source code written by somebody else is your own work is an example of which of the following?

• Copyright infringement

• Reverse engineering

• Plagiarism

• Software piracy

What is the value of a and b after the following statements execute?

a=10

b=a/5

a=a*b

b=a/b

a=a/b

• a=10, b=10

• a=20, b=10

• a=10, b=2

• a=2, b=10

Which system modelling tool best describes the hierarchy of subroutines and the sequence in which they are executed?

• Dataflow diagram

• System flowcharts

• IPO diagrams

• Structure charts

An existing software application is purchased and customised to suit the specific needs of an organisation. Which term best describes the resulting software application?

• CASE tool

• Open source

• COTS package

• RAD application

During execution of machine code instructions where is the address of the next instruction held?

• Accumulator

• Control unit

• Program counter

• RAM

A recently written compiled application is running until the message "arithmetic overflow" is displayed and execution stops. Which of the following is most likely?

• The program has encountered a syntax error which incorrectly caused a large computation to fail.

• A logic error has caused a numeric variable to exceed its range and hence a run time error has been generated which in turn halts execution.

• The system has likely run out of RAM during a large or complex calculation. This has caused a run time error which means execution cannot continue.

• The user has likely entered a number outside the bounds of the variable's data type. As the variable is unable to store this value the system has generated a runtime error.

Which sorting strategy compares adjoining items and swaps them if they are out of order?

• Bubble

• Insertion

• Selection

• All sorts

A computerised testing application is being developed. For one type of question the user must select all the correct answers from a total of 5 possible answers.

Which screen element would be best to use for this type of question?

• Checkboxes

• Radio Buttons

• Command buttions

• List box

A program halts whilst executing with a syntax error message. What type of translator is being used?

• Compiler

• Assembler

• Interpreter

• Virtual machine

What is shown on context diagrams?

• The movement of data between processes.

• The movement of data into and information out of a system.

• The order in which processes occur in a system.

• The nature of data structures used by processes within the system.