12.3 Program Testing and Maintenance

Multiple Choice

What is the purpose of testing?

• To identify errors

• To identify issues that may occur when a customer uses the program

• To test the security of the program

• All of the above

Multiple Choice

Logic errors are detected by the programming IDE being used.

• False

• True

Multiple Choice

Syntax errors are caused by incorrectly typed source code.

• True

• False

Multiple Choice

A program won't run if there is a logic error.

• False

• True

Multiple Choice

Modern IDEs are able to spot syntax errors as the programmer types.

• True

• False

Multiple Choice

Which statement best describes logic errors?

• An error in a program that causes it to produce incorrect ouputs but not a crash.

• An error in a program that causes it to crash.

• An error in the program caused by mis-spelt instructions.

• An error in a program caused by hardware failure.

Multiple Choice

What's the mistake in this code?

• The variable "surname" needs a capital letter (first line of code)

• "print" needs a capital letter

• "input" needs a capital letter

• There are plus signs in the final line of code

Multiple Choice

Black box testing...

• Testers ignore how the program itself works in terms of code. They simply enter inputs and check if the outputs match their expectations

• Tries to test every possible path through that bit of code and ensures that it works correctly every time.

Multiple Choice

White box testing...

• Testers ignore how the program itself works in terms of code. They simply enter inputs and check if the outputs match their expectations

• Tries to test every possible path through that bit of code and ensures that it works correctly every time.

Multiple Choice

Alpha testing takes place....

• In-house

• With selected outside users

Multiple Select

Which of the following types of testing would take place towards the END of the development process?

• Acceptance Testing

• White Box Testing

• Integration Testing

• Black Box Testing

Multiple Select

Which of the following types of testing would take place early on and throughout the development process?

• Acceptance Testing

• White Box Testing

• Integration Testing

• Black Box Testing

Multiple Choice

Another term for "Black Box Testing" is -

• Acceptance testing

• Structural testing

• Beta testing

• Functional testing

Multiple Choice

Which of the following correctly identifies the stages of testing that a developer would carry out?

• White Box > Alpha > Black Box > Beta

• Black Box > White Box > Alpha > Beta

• Alpha > Beta > White Box > Black Box

• White Box > Black Box > Alpha > Beta

Fill in the Blanks

Give an example of boundary test data for the condition x > 76

Fill in the Blanks

Give an example of normal test data for the condition x > 0 AND x < 3

Fill in the Blanks

Give an example of extreme test data for the condition x < 200

Multiple Choice

What kind of testing is performed at the end of the process in the real environment?

• Alpha testing

• Stub testing

• White box testing

• Acceptance testing

Multiple Choice

What kind of testing is completed by a small group of end users?

• Beta testing

• Stub testing

• Alpha testing

• Acceptance testing

Multiple Choice

What kind of testing makes use of dummy modules?

• Alpha testing

• Stub testing

• White box testing

• Acceptance testing

Multiple Select

Which kinds of testing involve producing a trace table?

• Acceptance testing

• Walkthrough

• Stub testing

• Dry run

Fill in the Blanks

Fill in the blank:

errors result from mistakes in the grammar of the language being used.

Fill in the Blanks

Fill in the blank:

errors occur while the program is running and not during translation.

Fill in the Blanks

Fill in the blank:

errors are when a program runs but performs in an unexpected way.

Multiple Choice

what type of Maintenance?: It's broken and need's fixing

• Preventative

• Adaptive

• Corrective

• Perfective

Multiple Choice

what type of Maintenance?: Things are changing, how can we update to reduce error?

• Preventative

• Adaptive

• Corrective

• Perfective

Multiple Choice

what type of Maintenance?: Things are good, but could they be better?

• Preventative

• Adaptive

• Corrective

• Perfective

Multiple Choice

what type of Maintenance?: A bug in memory  is causing apps to crash so needs an update.

• Preventative

• Adaptive

• Corrective

• Perfective

Multiple Choice

What type of Maintenance?: The OS has upgraded it’s security and the app developer must update the software to comply with it

• Preventative

• Adaptive

• Corrective

• Perfective

Multiple Choice

What type of Maintenance?: Users have shown they want widgets to help use it, so the developer adds widgets.

• Preventative

• Adaptive

• Corrective

• Perfective

Multiple Choice

What type of Maintenance?: Short term cost is low as the problem can quickly be taken care of.but Unpredictable as it is a reaction to a problem

• Preventative

• Adaptive

• Corrective

• Perfective

Multiple Choice

What type of Maintenance?: Improves the system(s) to cope with ever growing changes to ensure longevity of product but Updating software environments increases maintenance costs 

• Preventative

• Adaptive

• Corrective

• Perfective

Multiple Choice

What type of Maintenance?: Reduces long term costs.

Improves safety and performance

Extends lifetime of product but...

More upfront costs.

Requires more time to develop

• Preventative

• Adaptive

• Corrective

• Perfective

Multiple Choice

What type of Maintenance?:Improves usability and lifespan of product.

Increased productivity and customer satisfaction but Ongoing costs are high in labour and possible downtime

• Preventative

• Adaptive

• Corrective

• Perfective